diff --git a/Documentation/devicetree/bindings/powerpc/fsl/fman.txt b/Documentation/devicetree/bindings/powerpc/fsl/fman.txt
index df873d1..2aaae21 100644
--- a/Documentation/devicetree/bindings/powerpc/fsl/fman.txt
+++ b/Documentation/devicetree/bindings/powerpc/fsl/fman.txt
@@ -110,6 +110,13 @@
 		Usage: required
 		Definition: See soc/fsl/qman.txt and soc/fsl/bman.txt
 
+- fsl,erratum-a050385
+		Usage: optional
+		Value type: boolean
+		Definition: A boolean property. Indicates the presence of the
+		erratum A050385 which indicates that DMA transactions that are
+		split can result in a FMan lock.
+
 =============================================================================
 FMan MURAM Node
 
diff --git a/Documentation/devicetree/bindings/regulator/gdsc-regulator.txt b/Documentation/devicetree/bindings/regulator/gdsc-regulator.txt
index 4ef8d7a..a6b0cdd 100644
--- a/Documentation/devicetree/bindings/regulator/gdsc-regulator.txt
+++ b/Documentation/devicetree/bindings/regulator/gdsc-regulator.txt
@@ -72,7 +72,9 @@
  - qcom,en-rest-wait-val: Input value for EN_REST_WAIT controls state transition
 			  delay after receiving ack signal (gds_enr_ack) from the
 			  longest en_rest power switch chain.
-
+ - qcom,skip-disable-before-sw-enable: Presence denotes a hardware requirement
+					to leave the GDSC on that has been
+					enabled by an entity external to HLOS.
 Example:
 	gdsc_oxili_gx: qcom,gdsc@fd8c4024 {
 		compatible = "qcom,gdsc";
diff --git a/Makefile b/Makefile
index 874a3a7..efba893 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 VERSION = 4
 PATCHLEVEL = 9
-SUBLEVEL = 217
+SUBLEVEL = 218
 EXTRAVERSION =
 NAME = Roaring Lionus
 
diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi
index a1a9280..204ba77 100644
--- a/arch/arm/boot/dts/dra7.dtsi
+++ b/arch/arm/boot/dts/dra7.dtsi
@@ -123,6 +123,7 @@
 		#address-cells = <1>;
 		#size-cells = <1>;
 		ranges = <0x0 0x0 0x0 0xc0000000>;
+		dma-ranges = <0x80000000 0x0 0x80000000 0x80000000>;
 		ti,hwmods = "l3_main_1", "l3_main_2";
 		reg = <0x0 0x44000000 0x0 0x1000000>,
 		      <0x0 0x45000000 0x0 0x1000>;
@@ -282,6 +283,7 @@
 				device_type = "pci";
 				ranges = <0x81000000 0 0          0x03000 0 0x00010000
 					  0x82000000 0 0x20013000 0x13000 0 0xffed000>;
+				dma-ranges = <0x02000000 0x0 0x00000000 0x00000000 0x1 0x00000000>;
 				bus-range = <0x00 0xff>;
 				#interrupt-cells = <1>;
 				num-lanes = <1>;
@@ -319,6 +321,7 @@
 				device_type = "pci";
 				ranges = <0x81000000 0 0          0x03000 0 0x00010000
 					  0x82000000 0 0x30013000 0x13000 0 0xffed000>;
+				dma-ranges = <0x02000000 0x0 0x00000000 0x00000000 0x1 0x00000000>;
 				bus-range = <0x00 0xff>;
 				#interrupt-cells = <1>;
 				num-lanes = <1>;
diff --git a/arch/arm/boot/dts/omap5.dtsi b/arch/arm/boot/dts/omap5.dtsi
index 1d1d8e9..a76266f 100644
--- a/arch/arm/boot/dts/omap5.dtsi
+++ b/arch/arm/boot/dts/omap5.dtsi
@@ -131,6 +131,7 @@
 		#address-cells = <1>;
 		#size-cells = <1>;
 		ranges = <0 0 0 0xc0000000>;
+		dma-ranges = <0x80000000 0x0 0x80000000 0x80000000>;
 		ti,hwmods = "l3_main_1", "l3_main_2", "l3_main_3";
 		reg = <0 0x44000000 0 0x2000>,
 		      <0 0x44800000 0 0x3000>,
diff --git a/arch/arm/boot/dts/qcom/sdxpoorwills.dtsi b/arch/arm/boot/dts/qcom/sdxpoorwills.dtsi
index 57eb1a3..2c6e485 100644
--- a/arch/arm/boot/dts/qcom/sdxpoorwills.dtsi
+++ b/arch/arm/boot/dts/qcom/sdxpoorwills.dtsi
@@ -1390,7 +1390,7 @@
 			"eth_rgmii_clk", "eth_slave_ahb_clk";
 		qcom,phy-intr-redirect = <&tlmm 84 GPIO_ACTIVE_LOW>;
 		qcom,phy-reset = <&tlmm 85 GPIO_ACTIVE_LOW>;
-		qcom,phy-reset-delay-msecs = <10>;
+		qcom,phy-reset-delay-msecs = <11 70>;
 		vreg_rgmii-supply = <&vreg_rgmii>;
 		vreg_emac_phy-supply =  <&vreg_emac_phy>;
 		vreg_rgmii_io_pads-supply = <&vreg_rgmii_io_pads>;
diff --git a/arch/arm64/boot/dts/qcom/sda429-bg-dvt2-wtp-overlay.dts b/arch/arm64/boot/dts/qcom/sda429-bg-dvt2-wtp-overlay.dts
index 43d7ebc3..78970d5 100644
--- a/arch/arm64/boot/dts/qcom/sda429-bg-dvt2-wtp-overlay.dts
+++ b/arch/arm64/boot/dts/qcom/sda429-bg-dvt2-wtp-overlay.dts
@@ -25,6 +25,18 @@
 	qcom,pmic-id = <0x0002001b 0x0 0x0 0x0>;
 };
 
+&modem_mem {
+	reg = <0x0 0x86800000 0x0 0x1F00000>;
+};
+
+&adsp_fw_mem {
+	reg = <0x0 0x88700000 0x0 0x1500000>;
+};
+
+&wcnss_fw_mem {
+	reg = <0x0 0x89c00000 0x0 0x700000>;
+};
+
 &mdss_dsi0 {
 	qcom,dsi-pref-prim-pan = <&dsi_auo_416p_amoled_cmd>;
 	/delete-property/ vdd-supply;
diff --git a/arch/arm64/boot/dts/qcom/sda429-bg-wdp-overlay.dts b/arch/arm64/boot/dts/qcom/sda429-bg-wdp-overlay.dts
index 4e70535..8c021377 100644
--- a/arch/arm64/boot/dts/qcom/sda429-bg-wdp-overlay.dts
+++ b/arch/arm64/boot/dts/qcom/sda429-bg-wdp-overlay.dts
@@ -25,6 +25,18 @@
 	qcom,pmic-id = <0x0002001b 0x0 0x0 0x0>;
 };
 
+&modem_mem {
+	reg = <0x0 0x86800000 0x0 0x1F00000>;
+};
+
+&adsp_fw_mem {
+	reg = <0x0 0x88700000 0x0 0x1500000>;
+};
+
+&wcnss_fw_mem {
+	reg = <0x0 0x89c00000 0x0 0x700000>;
+};
+
 &usb_otg {
 	HSUSB_3p3-supply = <&L16A>;
 };
diff --git a/arch/arm64/boot/dts/qcom/sda429-bg-wtp-overlay.dts b/arch/arm64/boot/dts/qcom/sda429-bg-wtp-overlay.dts
index 9b9a849..e8c11bb 100644
--- a/arch/arm64/boot/dts/qcom/sda429-bg-wtp-overlay.dts
+++ b/arch/arm64/boot/dts/qcom/sda429-bg-wtp-overlay.dts
@@ -25,6 +25,18 @@
 	qcom,pmic-id = <0x0002001b 0x0 0x0 0x0>;
 };
 
+&modem_mem {
+	reg = <0x0 0x86800000 0x0 0x1F00000>;
+};
+
+&adsp_fw_mem {
+	reg = <0x0 0x88700000 0x0 0x1500000>;
+};
+
+&wcnss_fw_mem {
+	reg = <0x0 0x89c00000 0x0 0x700000>;
+};
+
 &mdss_dsi0 {
 	qcom,dsi-pref-prim-pan = <&dsi_auo_416p_amoled_cmd>;
 	/delete-property/ vdd-supply;
diff --git a/arch/arm64/boot/dts/qcom/sda429-spyro-qrd-dvt-overlay.dts b/arch/arm64/boot/dts/qcom/sda429-spyro-qrd-dvt-overlay.dts
index 46fe9d5..2bab608 100644
--- a/arch/arm64/boot/dts/qcom/sda429-spyro-qrd-dvt-overlay.dts
+++ b/arch/arm64/boot/dts/qcom/sda429-spyro-qrd-dvt-overlay.dts
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2019-2020, The Linux Foundation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -24,6 +24,18 @@
 	qcom,pmic-id = <0x0002001b 0x0 0x0 0x0>;
 };
 
+&modem_mem {
+	reg = <0x0 0x86800000 0x0 0x1F00000>;
+};
+
+&adsp_fw_mem {
+	reg = <0x0 0x88700000 0x0 0x1500000>;
+};
+
+&wcnss_fw_mem {
+	reg = <0x0 0x89c00000 0x0 0x700000>;
+};
+
 &usb_otg {
 	HSUSB_3p3-supply = <&L16A>;
 };
diff --git a/arch/arm64/boot/dts/qcom/sdm429w-bg-pm660.dtsi b/arch/arm64/boot/dts/qcom/sdm429w-bg-pm660.dtsi
index bb73889..f453259 100644
--- a/arch/arm64/boot/dts/qcom/sdm429w-bg-pm660.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm429w-bg-pm660.dtsi
@@ -29,7 +29,3 @@
 &pm660_fg {
 	qcom,fg-disable-in-twm;
 };
-
-&pm660_haptics {
-	qcom,haptics-ext-pin-twm;
-};
diff --git a/arch/arm64/boot/dts/qcom/sdm670-audio.dtsi b/arch/arm64/boot/dts/qcom/sdm670-audio.dtsi
index 0ea1660..7990e91 100644
--- a/arch/arm64/boot/dts/qcom/sdm670-audio.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm670-audio.dtsi
@@ -71,12 +71,11 @@
 			<&incall_music_2_rx>,
 			<&usb_audio_rx>, <&usb_audio_tx>,
 			<&dai_pri_tdm_rx_0>, <&dai_pri_tdm_tx_0>,
-			<&dai_pri_tdm_tx_1>, <&dai_pri_tdm_tx_2>,
-			<&dai_pri_tdm_tx_3>, <&dai_sec_tdm_rx_0>,
-			<&dai_sec_tdm_tx_0>, <&dai_tert_tdm_rx_0>,
-			<&dai_tert_tdm_tx_0>, <&dai_quat_tdm_rx_0>,
-			<&dai_quat_tdm_tx_0>, <&dai_quin_tdm_rx_0>,
-			<&dai_quin_tdm_tx_0>, <&afe_loopback_tx>;
+			<&dai_sec_tdm_rx_0>, <&dai_sec_tdm_tx_0>,
+			<&dai_tert_tdm_rx_0>, <&dai_tert_tdm_tx_0>,
+			<&dai_quat_tdm_rx_0>, <&dai_quat_tdm_tx_0>,
+			<&dai_quin_tdm_rx_0>, <&dai_quin_tdm_tx_0>,
+			<&afe_loopback_tx>;
 		asoc-cpu-names = "msm-dai-q6-dp.24608",
 			"msm-dai-q6-mi2s.0", "msm-dai-q6-mi2s.1",
 			"msm-dai-q6-mi2s.2", "msm-dai-q6-mi2s.3",
@@ -99,12 +98,11 @@
 			"msm-dai-q6-dev.32773", "msm-dai-q6-dev.32770",
 			"msm-dai-q6-dev.28672", "msm-dai-q6-dev.28673",
 			"msm-dai-q6-tdm.36864", "msm-dai-q6-tdm.36865",
-			"msm-dai-q6-tdm.36867", "msm-dai-q6-tdm.36869",
-			"msm-dai-q6-tdm.36871", "msm-dai-q6-tdm.36880",
-			"msm-dai-q6-tdm.36881", "msm-dai-q6-tdm.36896",
-			"msm-dai-q6-tdm.36897", "msm-dai-q6-tdm.36912",
-			"msm-dai-q6-tdm.36913", "msm-dai-q6-tdm.36928",
-			"msm-dai-q6-tdm.36929", "msm-dai-q6-dev.24577";
+			"msm-dai-q6-tdm.36880", "msm-dai-q6-tdm.36881",
+			"msm-dai-q6-tdm.36896", "msm-dai-q6-tdm.36897",
+			"msm-dai-q6-tdm.36912", "msm-dai-q6-tdm.36913",
+			"msm-dai-q6-tdm.36928", "msm-dai-q6-tdm.36929",
+			"msm-dai-q6-dev.24577";
 	};
 
 	tasha_snd: sound-tasha {
@@ -243,40 +241,6 @@
 		compatible = "qcom,msm-cpe-lsm";
 		qcom,msm-cpe-lsm-id = <3>;
 	};
-
-	pri_tdm_tx: qcom,msm-dai-tdm-pri-tx {
-		compatible = "qcom,msm-dai-tdm";
-		qcom,msm-cpudai-tdm-group-id = <37121>;
-		qcom,msm-cpudai-tdm-group-num-ports = <4>;
-		qcom,msm-cpudai-tdm-group-port-id = <36865 36867 36869 36871>;
-		qcom,msm-cpudai-tdm-clk-rate = <1536000>;
-		qcom,msm-cpudai-tdm-clk-internal = <1>;
-		qcom,msm-cpudai-tdm-sync-mode = <1>;
-		qcom,msm-cpudai-tdm-sync-src = <1>;
-		qcom,msm-cpudai-tdm-data-out = <0>;
-		qcom,msm-cpudai-tdm-invert-sync = <1>;
-		qcom,msm-cpudai-tdm-data-delay = <1>;
-		dai_pri_tdm_tx_0: qcom,msm-dai-q6-tdm-pri-tx-0 {
-			compatible = "qcom,msm-dai-q6-tdm";
-			qcom,msm-cpudai-tdm-dev-id = <36865>;
-			qcom,msm-cpudai-tdm-data-align = <0>;
-		};
-		dai_pri_tdm_tx_1: qcom,msm-dai-q6-tdm-pri-tx-1 {
-			compatible = "qcom,msm-dai-q6-tdm";
-			qcom,msm-cpudai-tdm-dev-id = <36867>;
-			qcom,msm-cpudai-tdm-data-align = <0>;
-		};
-		dai_pri_tdm_tx_2: qcom,msm-dai-q6-tdm-pri-tx-2 {
-			compatible = "qcom,msm-dai-q6-tdm";
-			qcom,msm-cpudai-tdm-dev-id = <36869>;
-			qcom,msm-cpudai-tdm-data-align = <0>;
-		};
-		dai_pri_tdm_tx_3: qcom,msm-dai-q6-tdm-pri-tx-3 {
-			compatible = "qcom,msm-dai-q6-tdm";
-			qcom,msm-cpudai-tdm-dev-id = <36871>;
-			qcom,msm-cpudai-tdm-data-align = <0>;
-		};
-	};
 };
 
 &slim_aud {
diff --git a/arch/arm64/boot/dts/qcom/sdm670.dtsi b/arch/arm64/boot/dts/qcom/sdm670.dtsi
index d7b1b06..5990f9b 100644
--- a/arch/arm64/boot/dts/qcom/sdm670.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm670.dtsi
@@ -3004,6 +3004,7 @@
 	parent-supply = <&pm660l_s2_level>;
 	domain-addr = <&gpu_gx_domain_addr>;
 	sw-reset = <&gpu_gx_sw_reset>;
+	qcom,skip-disable-before-sw-enable;
 	qcom,reset-aon-logic;
 	status = "ok";
 };
diff --git a/arch/arm64/boot/dts/qcom/sxr1130-svr.dtsi b/arch/arm64/boot/dts/qcom/sxr1130-svr.dtsi
index 4dfa320..16ed764 100644
--- a/arch/arm64/boot/dts/qcom/sxr1130-svr.dtsi
+++ b/arch/arm64/boot/dts/qcom/sxr1130-svr.dtsi
@@ -528,3 +528,7 @@
 	regulator-min-microvolt = <5700000>;
 	regulator-max-microvolt = <5700000>;
 };
+
+&pm660_pdphy {
+	qcom,sxr1130-sxr-dp-sink;
+};
diff --git a/arch/arm64/include/asm/alternative.h b/arch/arm64/include/asm/alternative.h
index 36266551..b7205c2 100644
--- a/arch/arm64/include/asm/alternative.h
+++ b/arch/arm64/include/asm/alternative.h
@@ -215,7 +215,7 @@
 
 .macro user_alt, label, oldinstr, newinstr, cond
 9999:	alternative_insn "\oldinstr", "\newinstr", \cond
-	_ASM_EXTABLE 9999b, \label
+	_asm_extable 9999b, \label
 .endm
 
 /*
diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c
old mode 100644
new mode 100755
index a91fbc4..b6d3274
--- a/arch/arm64/kernel/smp.c
+++ b/arch/arm64/kernel/smp.c
@@ -1014,11 +1014,29 @@
 }
 #endif
 
+/*
+ * The number of CPUs online, not counting this CPU (which may not be
+ * fully online and so not counted in num_online_cpus()).
+ */
+static inline unsigned int num_other_online_cpus(void)
+{
+	unsigned int this_cpu_online = cpu_online(smp_processor_id());
+
+	return num_online_cpus() - this_cpu_online;
+}
+
+static inline unsigned int num_other_active_cpus(void)
+{
+	unsigned int this_cpu_active = cpu_active(smp_processor_id());
+
+	return num_active_cpus() - this_cpu_active;
+}
+
 void smp_send_stop(void)
 {
 	unsigned long timeout;
 
-	if (num_online_cpus() > 1) {
+	if (num_other_online_cpus()) {
 		cpumask_t mask;
 
 		cpumask_copy(&mask, cpu_online_mask);
@@ -1032,10 +1050,11 @@
 
 	/* Wait up to one second for other CPUs to stop */
 	timeout = USEC_PER_SEC;
-	while (num_active_cpus() > 1 && timeout--)
+
+	while (num_other_active_cpus() && timeout--)
 		udelay(1);
 
-	if (num_active_cpus() > 1)
+	if (num_other_active_cpus())
 		pr_warning("SMP: failed to stop secondary CPUs %*pbl\n",
 			   cpumask_pr_args(cpu_online_mask));
 }
diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S
index 50d3650..c205104 100644
--- a/arch/powerpc/kernel/vmlinux.lds.S
+++ b/arch/powerpc/kernel/vmlinux.lds.S
@@ -315,6 +315,12 @@
 		*(.branch_lt)
 	}
 
+#ifdef CONFIG_DEBUG_INFO_BTF
+	.BTF : AT(ADDR(.BTF) - LOAD_OFFSET) {
+		*(.BTF)
+	}
+#endif
+
 	.opd : AT(ADDR(.opd) - LOAD_OFFSET) {
 		*(.opd)
 	}
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index ef97339..69cadb9 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -6564,8 +6564,8 @@
 			return 1;
 		}
 		else
-			return x86_emulate_instruction(vcpu, gpa, EMULTYPE_SKIP,
-						       NULL, 0) == EMULATE_DONE;
+			return emulate_instruction(vcpu, EMULTYPE_SKIP) ==
+								EMULATE_DONE;
 	}
 
 	ret = kvm_mmu_page_fault(vcpu, gpa, PFERR_RSVD_MASK, NULL, 0);
diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c
index 4b52d00..fc841d9 100644
--- a/arch/x86/mm/fault.c
+++ b/arch/x86/mm/fault.c
@@ -285,7 +285,7 @@
 	return pmd_k;
 }
 
-void vmalloc_sync_all(void)
+static void vmalloc_sync(void)
 {
 	unsigned long address;
 
@@ -312,6 +312,16 @@
 	}
 }
 
+void vmalloc_sync_mappings(void)
+{
+	vmalloc_sync();
+}
+
+void vmalloc_sync_unmappings(void)
+{
+	vmalloc_sync();
+}
+
 /*
  * 32-bit:
  *
@@ -406,11 +416,23 @@
 
 #else /* CONFIG_X86_64: */
 
-void vmalloc_sync_all(void)
+void vmalloc_sync_mappings(void)
 {
+	/*
+	 * 64-bit mappings might allocate new p4d/pud pages
+	 * that need to be propagated to all tasks' PGDs.
+	 */
 	sync_global_pgds(VMALLOC_START & PGDIR_MASK, VMALLOC_END, 0);
 }
 
+void vmalloc_sync_unmappings(void)
+{
+	/*
+	 * Unmappings never allocate or free p4d/pud pages.
+	 * No work is required here.
+	 */
+}
+
 /*
  * 64-bit:
  *
diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c
index a6e3c8d..acb4e75 100644
--- a/drivers/acpi/apei/ghes.c
+++ b/drivers/acpi/apei/ghes.c
@@ -234,7 +234,7 @@
 	 * New allocation must be visible in all pgd before it can be found by
 	 * an NMI allocating from the pool.
 	 */
-	vmalloc_sync_all();
+	vmalloc_sync_mappings();
 
 	return gen_pool_add(ghes_estatus_pool, addr, PAGE_ALIGN(len), -1);
 }
diff --git a/drivers/bus/mhi/core/mhi_main.c b/drivers/bus/mhi/core/mhi_main.c
index 1b81eb8..0dfeff0 100644
--- a/drivers/bus/mhi/core/mhi_main.c
+++ b/drivers/bus/mhi/core/mhi_main.c
@@ -1049,7 +1049,9 @@
 
 	result.transaction_status = (ev_code == MHI_EV_CC_OVERFLOW) ?
 		-EOVERFLOW : 0;
-	result.bytes_xferd = xfer_len;
+
+	/* truncate to buf len if xfer_len is larger */
+	result.bytes_xferd = min_t(u16, xfer_len, buf_info->len);
 	result.buf_addr = buf_info->cb_buf;
 	result.dir = mhi_chan->dir;
 
@@ -1287,7 +1289,7 @@
 		chan = MHI_TRE_GET_EV_CHID(local_rp);
 		if (chan >= mhi_cntrl->max_chan) {
 			MHI_ERR("invalid channel id %u\n", chan);
-			continue;
+			goto next_er_element;
 		}
 		mhi_chan = &mhi_cntrl->mhi_chan[chan];
 
@@ -1299,6 +1301,7 @@
 			event_quota--;
 		}
 
+next_er_element:
 		mhi_recycle_ev_ring_element(mhi_cntrl, ev_ring);
 		local_rp = ev_ring->rp;
 		dev_rp = mhi_to_virtual(ev_ring, er_ctxt->rp);
diff --git a/drivers/char/adsprpc.c b/drivers/char/adsprpc.c
index a0652b7..2d23442 100644
--- a/drivers/char/adsprpc.c
+++ b/drivers/char/adsprpc.c
@@ -720,12 +720,20 @@
 {
 	struct fastrpc_apps *me = &gfa;
 	struct fastrpc_file *fl;
-	int vmid;
+	int vmid, cid = -1, err = 0;
 	struct fastrpc_session_ctx *sess;
 
 	if (!map)
 		return;
 	fl = map->fl;
+	cid = fl->cid;
+	VERIFY(err, cid >= ADSP_DOMAIN_ID && cid < NUM_CHANNELS);
+	if (err) {
+		err = -ECHRNG;
+		pr_err("adsprpc: ERROR:%s, Invalid channel id: %d, err:%d",
+			__func__, cid, err);
+		return;
+	}
 	if (map->flags == ADSP_MMAP_HEAP_ADDR ||
 				map->flags == ADSP_MMAP_REMOTE_HEAP_ADDR) {
 		spin_lock(&me->hlock);
@@ -805,15 +813,21 @@
 	struct fastrpc_apps *me = &gfa;
 	struct fastrpc_session_ctx *sess;
 	struct fastrpc_apps *apps = fl->apps;
-	int cid = fl->cid;
-	struct fastrpc_channel_ctx *chan = &apps->channel[cid];
 	struct fastrpc_mmap *map = NULL;
+	struct fastrpc_channel_ctx *chan = NULL;
 	unsigned long attrs;
 	dma_addr_t region_phys = 0;
 	void *region_vaddr = NULL;
 	unsigned long flags;
-	int err = 0, vmid;
+	int err = 0, vmid, cid = -1;
 
+	cid = fl->cid;
+	VERIFY(err, cid >= ADSP_DOMAIN_ID && cid < NUM_CHANNELS);
+	if (err) {
+		err = -ECHRNG;
+		goto bail;
+	}
+	chan = &apps->channel[cid];
 	if (!fastrpc_mmap_find(fl, fd, va, len, mflags, 1, ppmap))
 		return 0;
 	map = kzalloc(sizeof(*map), GFP_KERNEL);
@@ -1850,12 +1864,22 @@
 {
 	struct smq_msg *msg = &ctx->msg;
 	struct fastrpc_file *fl = ctx->fl;
-	struct fastrpc_channel_ctx *channel_ctx = &fl->apps->channel[fl->cid];
-	int err = 0, len;
+	int err = 0, len, cid = -1;
+	struct fastrpc_channel_ctx *channel_ctx = NULL;
+
+	cid = fl->cid;
+	VERIFY(err, cid >= ADSP_DOMAIN_ID && cid < NUM_CHANNELS);
+	if (err) {
+		err = -ECHRNG;
+		goto bail;
+	}
+	channel_ctx = &fl->apps->channel[fl->cid];
 
 	VERIFY(err, NULL != channel_ctx->chan);
-	if (err)
+	if (err) {
+		err = -ECHRNG;
 		goto bail;
+	}
 	msg->pid = fl->tgid;
 	msg->tid = current->pid;
 	if (fl->sessionid)
@@ -1974,11 +1998,22 @@
 {
 	struct smq_invoke_ctx *ctx = NULL;
 	struct fastrpc_ioctl_invoke *invoke = &inv->inv;
-	int cid = fl->cid;
-	int interrupted = 0;
-	int err = 0;
+	int err = 0, cid = -1, interrupted = 0;
 	struct timespec invoket = {0};
-	int64_t *perf_counter = getperfcounter(fl, PERF_COUNT);
+	int64_t *perf_counter = NULL;
+
+	cid = fl->cid;
+	VERIFY(err, cid >= ADSP_DOMAIN_ID && cid < NUM_CHANNELS);
+	if (err) {
+		err = -ECHRNG;
+		goto bail;
+	}
+	VERIFY(err, fl->sctx != NULL);
+	if (err) {
+		err = -EBADR;
+		goto bail;
+	}
+	perf_counter = getperfcounter(fl, PERF_COUNT);
 
 	if (fl->profile)
 		getnstimeofday(&invoket);
@@ -1992,13 +2027,6 @@
 		}
 	}
 
-	VERIFY(err, fl->sctx != NULL);
-	if (err)
-		goto bail;
-	VERIFY(err, fl->cid >= 0 && fl->cid < NUM_CHANNELS);
-	if (err)
-		goto bail;
-
 	if (!kernel) {
 		VERIFY(err, 0 == context_restore_interrupted(fl, inv,
 								&ctx));
@@ -3408,7 +3436,7 @@
 static int fastrpc_channel_open(struct fastrpc_file *fl)
 {
 	struct fastrpc_apps *me = &gfa;
-	int cid, ii, err = 0;
+	int cid = -1, ii, err = 0;
 
 	mutex_lock(&me->smd_mutex);
 
@@ -3416,9 +3444,11 @@
 	if (err)
 		goto bail;
 	cid = fl->cid;
-	VERIFY(err, cid >= 0 && cid < NUM_CHANNELS);
-	if (err)
+	VERIFY(err, cid >= ADSP_DOMAIN_ID && cid < NUM_CHANNELS);
+	if (err) {
+		err = -ECHRNG;
 		goto bail;
+	}
 	if (me->channel[cid].ssrcount !=
 				 me->channel[cid].prevssrcount) {
 		if (!me->channel[cid].issubsystemup) {
diff --git a/drivers/clk/qcom/gdsc-regulator.c b/drivers/clk/qcom/gdsc-regulator.c
index 15a93cd..1ffb341 100644
--- a/drivers/clk/qcom/gdsc-regulator.c
+++ b/drivers/clk/qcom/gdsc-regulator.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012-2019, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2012-2020, The Linux Foundation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -92,6 +92,7 @@
 	int			root_clk_idx;
 	u32			gds_timeout;
 	u32			flags;
+	bool			skip_disable_before_enable;
 };
 
 enum gdscr_status {
@@ -379,6 +380,7 @@
 		clk_disable_unprepare(sc->clocks[sc->root_clk_idx]);
 
 	sc->is_gdsc_enabled = true;
+	sc->skip_disable_before_enable = false;
 
 	mutex_unlock(&gdsc_seq_lock);
 
@@ -391,6 +393,16 @@
 	uint32_t regval;
 	int i, ret = 0;
 
+	/*
+	 * Protect GDSC against late_init disabling when the GDSC is enabled
+	 * by an entity outside external to HLOS.
+	 */
+	if (sc->skip_disable_before_enable) {
+		dev_dbg(&rdev->dev, "Skip Disabling: %s\n", sc->rdesc.name);
+		sc->skip_disable_before_enable = false;
+		return 0;
+	}
+
 	mutex_lock(&gdsc_seq_lock);
 
 	if (sc->force_root_en)
@@ -827,6 +839,9 @@
 			clk_set_flags(sc->clocks[i], CLKFLAG_NORETAIN_PERIPH);
 	}
 
+	sc->skip_disable_before_enable = of_property_read_bool(
+		pdev->dev.of_node, "qcom,skip-disable-before-sw-enable");
+
 	reg_config.dev = &pdev->dev;
 	reg_config.init_data = init_data;
 	reg_config.driver_data = sc;
diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c
index 17aedaa..e05dda9 100644
--- a/drivers/gpu/drm/drm_dp_mst_topology.c
+++ b/drivers/gpu/drm/drm_dp_mst_topology.c
@@ -980,20 +980,9 @@
 static struct drm_dp_mst_port *drm_dp_get_validated_port_ref(struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port)
 {
 	struct drm_dp_mst_port *rport = NULL;
-
 	mutex_lock(&mgr->lock);
-	/*
-	 * Port may or may not be 'valid' but we don't care about that when
-	 * destroying the port and we are guaranteed that the port pointer
-	 * will be valid until we've finished
-	 */
-	if (current_work() == &mgr->destroy_connector_work) {
-		kref_get(&port->kref);
-		rport = port;
-	} else if (mgr->mst_primary) {
-		rport = drm_dp_mst_get_port_ref_locked(mgr->mst_primary,
-						       port);
-	}
+	if (mgr->mst_primary)
+		rport = drm_dp_mst_get_port_ref_locked(mgr->mst_primary, port);
 	mutex_unlock(&mgr->lock);
 	return rport;
 }
diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
index e07cb1f..2b6c04a 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
@@ -1775,8 +1775,9 @@
 	ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(dsi->supplies),
 				      dsi->supplies);
 	if (ret) {
-		dev_info(dev, "failed to get regulators: %d\n", ret);
-		return -EPROBE_DEFER;
+		if (ret != -EPROBE_DEFER)
+			dev_info(dev, "failed to get regulators: %d\n", ret);
+		return ret;
 	}
 
 	dsi->clks = devm_kzalloc(dev,
@@ -1789,9 +1790,10 @@
 		dsi->clks[i] = devm_clk_get(dev, clk_names[i]);
 		if (IS_ERR(dsi->clks[i])) {
 			if (strcmp(clk_names[i], "sclk_mipi") == 0) {
-				strcpy(clk_names[i], OLD_SCLK_MIPI_CLK_NAME);
-				i--;
-				continue;
+				dsi->clks[i] = devm_clk_get(dev,
+							OLD_SCLK_MIPI_CLK_NAME);
+				if (!IS_ERR(dsi->clks[i]))
+					continue;
 			}
 
 			dev_info(dev, "failed to get the clock: %s\n",
diff --git a/drivers/hwtracing/intel_th/msu.c b/drivers/hwtracing/intel_th/msu.c
index 7bdd1bf..73713b2 100644
--- a/drivers/hwtracing/intel_th/msu.c
+++ b/drivers/hwtracing/intel_th/msu.c
@@ -497,7 +497,7 @@
 	lockdep_assert_held(&msc->buf_mutex);
 
 	if (msc->mode > MSC_MODE_MULTI)
-		return -ENOTSUPP;
+		return -EINVAL;
 
 	if (msc->mode == MSC_MODE_MULTI)
 		msc_buffer_clear_hw_header(msc);
@@ -948,7 +948,7 @@
 	} else if (msc->mode == MSC_MODE_MULTI) {
 		ret = msc_buffer_multi_alloc(msc, nr_pages, nr_wins);
 	} else {
-		ret = -ENOTSUPP;
+		ret = -EINVAL;
 	}
 
 	if (!ret) {
@@ -1171,7 +1171,7 @@
 		if (ret >= 0)
 			*ppos = iter->offset;
 	} else {
-		ret = -ENOTSUPP;
+		ret = -EINVAL;
 	}
 
 put_count:
diff --git a/drivers/i2c/busses/i2c-hix5hd2.c b/drivers/i2c/busses/i2c-hix5hd2.c
index ae7f318..75c8bbb 100644
--- a/drivers/i2c/busses/i2c-hix5hd2.c
+++ b/drivers/i2c/busses/i2c-hix5hd2.c
@@ -498,6 +498,7 @@
 	i2c_del_adapter(&priv->adap);
 	pm_runtime_disable(priv->dev);
 	pm_runtime_set_suspended(priv->dev);
+	clk_disable_unprepare(priv->clk);
 
 	return 0;
 }
diff --git a/drivers/iio/magnetometer/ak8974.c b/drivers/iio/magnetometer/ak8974.c
index dd3fcd1..752237f 100644
--- a/drivers/iio/magnetometer/ak8974.c
+++ b/drivers/iio/magnetometer/ak8974.c
@@ -477,7 +477,7 @@
 		 * We read all axes and discard all but one, for optimized
 		 * reading, use the triggered buffer.
 		 */
-		*val = le16_to_cpu(hw_values[chan->address]);
+		*val = (s16)le16_to_cpu(hw_values[chan->address]);
 
 		ret = IIO_VAL_INT;
 	}
diff --git a/drivers/input/misc/qti-haptics.c b/drivers/input/misc/qti-haptics.c
index a2c8e76..11d23e5 100644
--- a/drivers/input/misc/qti-haptics.c
+++ b/drivers/input/misc/qti-haptics.c
@@ -251,6 +251,13 @@
 	{REG_HAP_EN_CTL1, 0x80}, /* Enable haptics driver */
 };
 
+static struct hap_addr_val twm_cfg[] = {
+	{REG_HAP_PLAY, 0x00}, /* Stop playing haptics waveform */
+	{REG_HAP_SEL, 0x00}, /* Configure for cmd mode */
+	{REG_HAP_EN_CTL1, 0x00}, /* Enable haptics driver */
+	{REG_HAP_PERPH_RESET_CTL3, 0x0D}, /* Disable SHUTDOWN1_RB reset */
+};
+
 static int wf_repeat[8] = {1, 2, 4, 8, 16, 32, 64, 128};
 static int wf_s_repeat[4] = {1, 2, 4, 8};
 
@@ -1058,20 +1065,30 @@
 	qti_haptics_config_vmax(chip, play->vmax_mv);
 }
 
-static int qti_haptics_twm_config(struct qti_hap_chip *chip)
+static int qti_haptics_twm_config(struct qti_hap_chip *chip, bool ext_pin)
 {
-	int rc, i;
+	int rc = 0, i;
 
-	for (i = 0; i < ARRAY_SIZE(twm_ext_cfg); i++) {
-		rc = qti_haptics_write(chip, twm_ext_cfg[i].addr,
-					&twm_ext_cfg[i].value, 1);
-		if (rc < 0) {
-			dev_err(chip->dev, "Haptics TWM config failed, rc=%d\n",
-				rc);
-			return rc;
+	if (ext_pin) {
+		for (i = 0; i < ARRAY_SIZE(twm_ext_cfg); i++) {
+			rc = qti_haptics_write(chip, twm_ext_cfg[i].addr,
+						&twm_ext_cfg[i].value, 1);
+			if (rc < 0)
+				break;
+		}
+	} else {
+		for (i = 0; i < ARRAY_SIZE(twm_cfg); i++) {
+			rc = qti_haptics_write(chip, twm_cfg[i].addr,
+						&twm_cfg[i].value, 1);
+			if (rc < 0)
+				break;
 		}
 	}
-	pr_debug("Enabled haptics for TWM mode\n");
+
+	if (rc < 0)
+		pr_err("Failed to write twm_config rc=%d\n", rc);
+	else
+		pr_debug("Enabled haptics for TWM mode\n");
 
 	return 0;
 }
@@ -2033,7 +2050,6 @@
 {
 	struct qti_hap_chip *chip = dev_get_drvdata(&pdev->dev);
 	int rc;
-	bool enable_haptics_twm;
 
 	dev_dbg(chip->dev, "Shutdown!\n");
 
@@ -2049,10 +2065,8 @@
 		chip->vdd_enabled = false;
 	}
 
-	enable_haptics_twm = chip->haptics_ext_pin_twm && twm_sys_enable;
-
-	if (chip->twm_state == PMIC_TWM_ENABLE && enable_haptics_twm) {
-		rc = qti_haptics_twm_config(chip);
+	if (chip->twm_state == PMIC_TWM_ENABLE && twm_sys_enable) {
+		rc = qti_haptics_twm_config(chip, chip->haptics_ext_pin_twm);
 		if (rc < 0)
 			pr_err("Haptics TWM config failed rc=%d\n", rc);
 	}
diff --git a/drivers/input/touchscreen/raydium_i2c_ts.c b/drivers/input/touchscreen/raydium_i2c_ts.c
index a99fb5c..1f5b6b5 100644
--- a/drivers/input/touchscreen/raydium_i2c_ts.c
+++ b/drivers/input/touchscreen/raydium_i2c_ts.c
@@ -441,7 +441,7 @@
 	return 0;
 }
 
-static bool raydium_i2c_boot_trigger(struct i2c_client *client)
+static int raydium_i2c_boot_trigger(struct i2c_client *client)
 {
 	static const u8 cmd[7][6] = {
 		{ 0x08, 0x0C, 0x09, 0x00, 0x50, 0xD7 },
@@ -469,7 +469,7 @@
 	return 0;
 }
 
-static bool raydium_i2c_fw_trigger(struct i2c_client *client)
+static int raydium_i2c_fw_trigger(struct i2c_client *client)
 {
 	static const u8 cmd[5][11] = {
 		{ 0, 0x09, 0x71, 0x0C, 0x09, 0x00, 0x50, 0xD7, 0, 0, 0 },
diff --git a/drivers/md/dm-bow.c b/drivers/md/dm-bow.c
index 4e7f6c0..b45f0b2 100644
--- a/drivers/md/dm-bow.c
+++ b/drivers/md/dm-bow.c
@@ -792,6 +792,7 @@
 	 */
 	original_type = br->type;
 	sector0 = backup_br->sector;
+	bc->trims_total -= range_size(backup_br);
 	if (backup_br->type == TRIMMED)
 		list_del(&backup_br->trimmed_list);
 	backup_br->type = br->type == SECTOR0_CURRENT ? SECTOR0_CURRENT
diff --git a/drivers/media/platform/msm/camera/cam_isp/cam_isp_context.c b/drivers/media/platform/msm/camera/cam_isp/cam_isp_context.c
index 98fe080..a506ff4 100644
--- a/drivers/media/platform/msm/camera/cam_isp/cam_isp_context.c
+++ b/drivers/media/platform/msm/camera/cam_isp/cam_isp_context.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2017-2019, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2017-2020, The Linux Foundation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -1419,6 +1419,7 @@
 	spin_unlock_bh(&ctx->lock);
 
 	atomic_set(&ctx_isp->process_bubble, 0);
+	atomic_set(&ctx_isp->bubble_sof_count, 0);
 	if (flush_req->type == CAM_REQ_MGR_FLUSH_TYPE_ALL) {
 		/* if active and wait list are empty, return */
 		spin_lock_bh(&ctx->lock);
@@ -1686,6 +1687,7 @@
 		notify.req_id = req->request_id;
 		notify.error = CRM_KMD_ERR_BUBBLE;
 		ctx->ctx_crm_intf->notify_err(&notify);
+		atomic_set(&ctx_isp->process_bubble, 1);
 		CAM_DBG(CAM_ISP, "Notify CRM about Bubble frame %lld",
 			ctx_isp->frame_id);
 	} else {
@@ -1741,8 +1743,20 @@
 	ctx_isp->frame_id++;
 	ctx_isp->sof_timestamp_val = sof_event_data->timestamp;
 	ctx_isp->boot_timestamp = sof_event_data->boot_time;
+	atomic_inc(&ctx_isp->bubble_sof_count);
 	CAM_DBG(CAM_ISP, "frame id: %lld time stamp:0x%llx",
 		ctx_isp->frame_id, ctx_isp->sof_timestamp_val);
+
+	if (atomic_read(&ctx_isp->process_bubble) &&
+		(!list_empty(&ctx->active_req_list)) &&
+		(atomic_read(&ctx_isp->bubble_sof_count) <
+		 CAM_ISP_CTX_BUBBLE_SOF_COUNT_MAX)) {
+		CAM_INFO(CAM_ISP,
+			"Processing bubble, bubble_sof_count :%u",
+			atomic_read(&ctx_isp->bubble_sof_count));
+		goto end;
+	}
+
 	/*
 	 * Signal all active requests with error and move the  all the active
 	 * requests to free list
@@ -1762,8 +1776,11 @@
 			}
 		list_add_tail(&req->list, &ctx->free_req_list);
 		ctx_isp->active_req_cnt--;
+		atomic_set(&ctx_isp->bubble_sof_count, 0);
 	}
 
+	ctx_isp->substate_activated = CAM_ISP_CTX_ACTIVATED_SOF;
+end:
 	/* notify reqmgr with sof signal */
 	if (ctx->ctx_crm_intf && ctx->ctx_crm_intf->notify_trigger) {
 		notify.link_hdl = ctx->link_hdl;
@@ -1786,8 +1803,6 @@
 	__cam_isp_ctx_send_sof_timestamp(ctx_isp, request_id,
 		CAM_REQ_MGR_SOF_EVENT_SUCCESS);
 
-	ctx_isp->substate_activated = CAM_ISP_CTX_ACTIVATED_SOF;
-
 	CAM_DBG(CAM_ISP, "next substate %d",
 		ctx_isp->substate_activated);
 
@@ -2462,6 +2477,7 @@
 	start_isp.start_only = false;
 
 	atomic_set(&ctx_isp->process_bubble, 0);
+	atomic_set(&ctx_isp->bubble_sof_count, 0);
 	ctx_isp->frame_id = 0;
 	ctx_isp->active_req_cnt = 0;
 	ctx_isp->reported_req_id = 0;
@@ -2598,6 +2614,7 @@
 	ctx_isp->active_req_cnt = 0;
 	ctx_isp->reported_req_id = 0;
 	atomic_set(&ctx_isp->process_bubble, 0);
+	atomic_set(&ctx_isp->bubble_sof_count, 0);
 
 	CAM_DBG(CAM_ISP, "Stop device success next state %d on ctx %u",
 		ctx->state, ctx->ctx_id);
diff --git a/drivers/media/platform/msm/camera/cam_isp/cam_isp_context.h b/drivers/media/platform/msm/camera/cam_isp/cam_isp_context.h
index f96e6bd..c1cd00f 100644
--- a/drivers/media/platform/msm/camera/cam_isp/cam_isp_context.h
+++ b/drivers/media/platform/msm/camera/cam_isp/cam_isp_context.h
@@ -1,4 +1,4 @@
-/* Copyright (c) 2017-2019, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2017-2020, The Linux Foundation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -33,6 +33,11 @@
  */
 #define CAM_ISP_CTX_CFG_MAX                     22
 
+/* Maximum allowed sof count in rdi only bubble state
+ * till buf_done is received for bubble req_id.
+ */
+#define CAM_ISP_CTX_BUBBLE_SOF_COUNT_MAX        3
+
 /*
  * Maximum entries in state monitoring array for error logging
  */
@@ -161,6 +166,8 @@
  * @cam_isp_ctx_state_monitor: State monitoring array
  * @rdi_only_context:          Get context type information.
  *                             true, if context is rdi only context
+ * @bubble_sof_count:          Atomic variable to check if ctx has any sof's
+ *                             while processing bubble
  *
  */
 struct cam_isp_context {
@@ -186,6 +193,7 @@
 	struct cam_isp_context_state_monitor cam_isp_ctx_state_monitor[
 		CAM_ISP_CTX_STATE_MONITOR_MAX_ENTRIES];
 	bool                             rdi_only_context;
+	atomic_t                         bubble_sof_count;
 };
 
 /**
diff --git a/drivers/media/usb/b2c2/flexcop-usb.c b/drivers/media/usb/b2c2/flexcop-usb.c
index 78809bb..a93fc18 100644
--- a/drivers/media/usb/b2c2/flexcop-usb.c
+++ b/drivers/media/usb/b2c2/flexcop-usb.c
@@ -511,6 +511,9 @@
 		return ret;
 	}
 
+	if (fc_usb->uintf->cur_altsetting->desc.bNumEndpoints < 1)
+		return -ENODEV;
+
 	switch (fc_usb->udev->speed) {
 	case USB_SPEED_LOW:
 		err("cannot handle USB speed because it is too slow.");
@@ -544,9 +547,6 @@
 	struct flexcop_device *fc = NULL;
 	int ret;
 
-	if (intf->cur_altsetting->desc.bNumEndpoints < 1)
-		return -ENODEV;
-
 	if ((fc = flexcop_device_kmalloc(sizeof(struct flexcop_usb))) == NULL) {
 		err("out of memory\n");
 		return -ENOMEM;
diff --git a/drivers/media/usb/dvb-usb/dib0700_core.c b/drivers/media/usb/dvb-usb/dib0700_core.c
index 563f690..4a5ea74 100644
--- a/drivers/media/usb/dvb-usb/dib0700_core.c
+++ b/drivers/media/usb/dvb-usb/dib0700_core.c
@@ -812,7 +812,7 @@
 
 	/* Starting in firmware 1.20, the RC info is provided on a bulk pipe */
 
-	if (intf->altsetting[0].desc.bNumEndpoints < rc_ep + 1)
+	if (intf->cur_altsetting->desc.bNumEndpoints < rc_ep + 1)
 		return -ENODEV;
 
 	purb = usb_alloc_urb(0, GFP_KERNEL);
@@ -832,7 +832,7 @@
 	 * Some devices like the Hauppauge NovaTD model 52009 use an interrupt
 	 * endpoint, while others use a bulk one.
 	 */
-	e = &intf->altsetting[0].endpoint[rc_ep].desc;
+	e = &intf->cur_altsetting->endpoint[rc_ep].desc;
 	if (usb_endpoint_dir_in(e)) {
 		if (usb_endpoint_xfer_bulk(e)) {
 			pipe = usb_rcvbulkpipe(d->udev, rc_ep);
diff --git a/drivers/media/usb/gspca/ov519.c b/drivers/media/usb/gspca/ov519.c
index 7ac3890..25871bc 100644
--- a/drivers/media/usb/gspca/ov519.c
+++ b/drivers/media/usb/gspca/ov519.c
@@ -3482,6 +3482,11 @@
 		return;
 	}
 
+	if (alt->desc.bNumEndpoints < 1) {
+		sd->gspca_dev.usb_err = -ENODEV;
+		return;
+	}
+
 	packet_size = le16_to_cpu(alt->endpoint[0].desc.wMaxPacketSize);
 	reg_w(sd, R51x_FIFO_PSIZE, packet_size >> 5);
 
@@ -3607,6 +3612,11 @@
 		return;
 	}
 
+	if (alt->desc.bNumEndpoints < 1) {
+		sd->gspca_dev.usb_err = -ENODEV;
+		return;
+	}
+
 	packet_size = le16_to_cpu(alt->endpoint[0].desc.wMaxPacketSize);
 	ov518_reg_w32(sd, R51x_FIFO_PSIZE, packet_size & ~7, 2);
 
diff --git a/drivers/media/usb/gspca/stv06xx/stv06xx.c b/drivers/media/usb/gspca/stv06xx/stv06xx.c
index 6ac93d8..7d25552 100644
--- a/drivers/media/usb/gspca/stv06xx/stv06xx.c
+++ b/drivers/media/usb/gspca/stv06xx/stv06xx.c
@@ -293,6 +293,9 @@
 		return -EIO;
 	}
 
+	if (alt->desc.bNumEndpoints < 1)
+		return -ENODEV;
+
 	packet_size = le16_to_cpu(alt->endpoint[0].desc.wMaxPacketSize);
 	err = stv06xx_write_bridge(sd, STV_ISO_SIZE_L, packet_size);
 	if (err < 0)
@@ -317,11 +320,21 @@
 
 static int stv06xx_isoc_init(struct gspca_dev *gspca_dev)
 {
+	struct usb_interface_cache *intfc;
 	struct usb_host_interface *alt;
 	struct sd *sd = (struct sd *) gspca_dev;
 
+	intfc = gspca_dev->dev->actconfig->intf_cache[0];
+
+	if (intfc->num_altsetting < 2)
+		return -ENODEV;
+
+	alt = &intfc->altsetting[1];
+
+	if (alt->desc.bNumEndpoints < 1)
+		return -ENODEV;
+
 	/* Start isoc bandwidth "negotiation" at max isoc bandwidth */
-	alt = &gspca_dev->dev->actconfig->intf_cache[0]->altsetting[1];
 	alt->endpoint[0].desc.wMaxPacketSize =
 		cpu_to_le16(sd->sensor->max_packet_size[gspca_dev->curr_mode]);
 
@@ -334,6 +347,10 @@
 	struct usb_host_interface *alt;
 	struct sd *sd = (struct sd *) gspca_dev;
 
+	/*
+	 * Existence of altsetting and endpoint was verified in
+	 * stv06xx_isoc_init()
+	 */
 	alt = &gspca_dev->dev->actconfig->intf_cache[0]->altsetting[1];
 	packet_size = le16_to_cpu(alt->endpoint[0].desc.wMaxPacketSize);
 	min_packet_size = sd->sensor->min_packet_size[gspca_dev->curr_mode];
diff --git a/drivers/media/usb/gspca/stv06xx/stv06xx_pb0100.c b/drivers/media/usb/gspca/stv06xx/stv06xx_pb0100.c
index 8d785ed..cc88c059 100644
--- a/drivers/media/usb/gspca/stv06xx/stv06xx_pb0100.c
+++ b/drivers/media/usb/gspca/stv06xx/stv06xx_pb0100.c
@@ -198,6 +198,10 @@
 	alt = usb_altnum_to_altsetting(intf, sd->gspca_dev.alt);
 	if (!alt)
 		return -ENODEV;
+
+	if (alt->desc.bNumEndpoints < 1)
+		return -ENODEV;
+
 	packet_size = le16_to_cpu(alt->endpoint[0].desc.wMaxPacketSize);
 
 	/* If we don't have enough bandwidth use a lower framerate */
diff --git a/drivers/media/usb/gspca/xirlink_cit.c b/drivers/media/usb/gspca/xirlink_cit.c
index d5ed9d3..2a555b0 100644
--- a/drivers/media/usb/gspca/xirlink_cit.c
+++ b/drivers/media/usb/gspca/xirlink_cit.c
@@ -1455,6 +1455,9 @@
 		return -EIO;
 	}
 
+	if (alt->desc.bNumEndpoints < 1)
+		return -ENODEV;
+
 	return le16_to_cpu(alt->endpoint[0].desc.wMaxPacketSize);
 }
 
@@ -2638,6 +2641,7 @@
 
 static int sd_isoc_init(struct gspca_dev *gspca_dev)
 {
+	struct usb_interface_cache *intfc;
 	struct usb_host_interface *alt;
 	int max_packet_size;
 
@@ -2653,8 +2657,17 @@
 		break;
 	}
 
+	intfc = gspca_dev->dev->actconfig->intf_cache[0];
+
+	if (intfc->num_altsetting < 2)
+		return -ENODEV;
+
+	alt = &intfc->altsetting[1];
+
+	if (alt->desc.bNumEndpoints < 1)
+		return -ENODEV;
+
 	/* Start isoc bandwidth "negotiation" at max isoc bandwidth */
-	alt = &gspca_dev->dev->actconfig->intf_cache[0]->altsetting[1];
 	alt->endpoint[0].desc.wMaxPacketSize = cpu_to_le16(max_packet_size);
 
 	return 0;
@@ -2677,6 +2690,9 @@
 		break;
 	}
 
+	/*
+	 * Existence of altsetting and endpoint was verified in sd_isoc_init()
+	 */
 	alt = &gspca_dev->dev->actconfig->intf_cache[0]->altsetting[1];
 	packet_size = le16_to_cpu(alt->endpoint[0].desc.wMaxPacketSize);
 	if (packet_size <= min_packet_size)
diff --git a/drivers/media/usb/usbtv/usbtv-core.c b/drivers/media/usb/usbtv/usbtv-core.c
index e56a49a..d8ce7d7 100644
--- a/drivers/media/usb/usbtv/usbtv-core.c
+++ b/drivers/media/usb/usbtv/usbtv-core.c
@@ -56,7 +56,7 @@
 
 		ret = usb_control_msg(usbtv->udev, pipe, USBTV_REQUEST_REG,
 			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
-			value, index, NULL, 0, 0);
+			value, index, NULL, 0, USB_CTRL_GET_TIMEOUT);
 		if (ret < 0)
 			return ret;
 	}
diff --git a/drivers/misc/altera-stapl/altera.c b/drivers/misc/altera-stapl/altera.c
index 494e263..b7ee804 100644
--- a/drivers/misc/altera-stapl/altera.c
+++ b/drivers/misc/altera-stapl/altera.c
@@ -2126,8 +2126,8 @@
 	return status;
 }
 
-static int altera_get_note(u8 *p, s32 program_size,
-			s32 *offset, char *key, char *value, int length)
+static int altera_get_note(u8 *p, s32 program_size, s32 *offset,
+			   char *key, char *value, int keylen, int vallen)
 /*
  * Gets key and value of NOTE fields in the JBC file.
  * Can be called in two modes:  if offset pointer is NULL,
@@ -2184,7 +2184,7 @@
 						&p[note_table + (8 * i) + 4])];
 
 				if (value != NULL)
-					strlcpy(value, value_ptr, length);
+					strlcpy(value, value_ptr, vallen);
 
 			}
 		}
@@ -2203,13 +2203,13 @@
 				strlcpy(key, &p[note_strings +
 						get_unaligned_be32(
 						&p[note_table + (8 * i)])],
-					length);
+					keylen);
 
 			if (value != NULL)
 				strlcpy(value, &p[note_strings +
 						get_unaligned_be32(
 						&p[note_table + (8 * i) + 4])],
-					length);
+					vallen);
 
 			*offset = i + 1;
 		}
@@ -2463,7 +2463,7 @@
 			__func__, (format_version == 2) ? "Jam STAPL" :
 						"pre-standardized Jam 1.1");
 		while (altera_get_note((u8 *)fw->data, fw->size,
-					&offset, key, value, 256) == 0)
+					&offset, key, value, 32, 256) == 0)
 			printk(KERN_INFO "%s: NOTE \"%s\" = \"%s\"\n",
 					__func__, key, value);
 	}
diff --git a/drivers/mmc/host/sdhci-of-at91.c b/drivers/mmc/host/sdhci-of-at91.c
index 7f7af31..c354711 100644
--- a/drivers/mmc/host/sdhci-of-at91.c
+++ b/drivers/mmc/host/sdhci-of-at91.c
@@ -126,7 +126,8 @@
 {
 	sdhci_reset(host, mask);
 
-	if (host->mmc->caps & MMC_CAP_NONREMOVABLE)
+	if ((host->mmc->caps & MMC_CAP_NONREMOVABLE)
+	    || mmc_gpio_get_cd(host->mmc) >= 0)
 		sdhci_at91_set_force_card_detect(host);
 }
 
@@ -354,8 +355,11 @@
 	 * detection procedure using the SDMCC_CD signal is bypassed.
 	 * This bit is reset when a software reset for all command is performed
 	 * so we need to implement our own reset function to set back this bit.
+	 *
+	 * WA: SAMA5D2 doesn't drive CMD if using CD GPIO line.
 	 */
-	if (host->mmc->caps & MMC_CAP_NONREMOVABLE)
+	if ((host->mmc->caps & MMC_CAP_NONREMOVABLE)
+	    || mmc_gpio_get_cd(host->mmc) >= 0)
 		sdhci_at91_set_force_card_detect(host);
 
 	pm_runtime_put_autosuspend(&pdev->dev);
diff --git a/drivers/net/can/slcan.c b/drivers/net/can/slcan.c
index 453a2ea..94b37c6 100644
--- a/drivers/net/can/slcan.c
+++ b/drivers/net/can/slcan.c
@@ -621,7 +621,10 @@
 	tty->disc_data = NULL;
 	clear_bit(SLF_INUSE, &sl->flags);
 	slc_free_netdev(sl->dev);
+	/* do not call free_netdev before rtnl_unlock */
+	rtnl_unlock();
 	free_netdev(sl->dev);
+	return err;
 
 err_exit:
 	rtnl_unlock();
diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index f2904af..bb6bc849 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -2690,10 +2690,9 @@
 	/* For the case where the last mvneta_poll did not process all
 	 * RX packets
 	 */
-	rx_queue = fls(((cause_rx_tx >> 8) & 0xff));
-
 	cause_rx_tx |= port->cause_rx_tx;
 
+	rx_queue = fls(((cause_rx_tx >> 8) & 0xff));
 	if (rx_queue) {
 		rx_queue = rx_queue - 1;
 		if (pp->bm_priv)
diff --git a/drivers/net/ethernet/micrel/ks8851_mll.c b/drivers/net/ethernet/micrel/ks8851_mll.c
index d4747ca..bebddb8 100644
--- a/drivers/net/ethernet/micrel/ks8851_mll.c
+++ b/drivers/net/ethernet/micrel/ks8851_mll.c
@@ -475,6 +475,50 @@
  */
 
 /**
+ * ks_check_endian - Check whether endianness of the bus is correct
+ * @ks	  : The chip information
+ *
+ * The KS8851-16MLL EESK pin allows selecting the endianness of the 16bit
+ * bus. To maintain optimum performance, the bus endianness should be set
+ * such that it matches the endianness of the CPU.
+ */
+
+static int ks_check_endian(struct ks_net *ks)
+{
+	u16 cider;
+
+	/*
+	 * Read CIDER register first, however read it the "wrong" way around.
+	 * If the endian strap on the KS8851-16MLL in incorrect and the chip
+	 * is operating in different endianness than the CPU, then the meaning
+	 * of BE[3:0] byte-enable bits is also swapped such that:
+	 *    BE[3,2,1,0] becomes BE[1,0,3,2]
+	 *
+	 * Luckily for us, the byte-enable bits are the top four MSbits of
+	 * the address register and the CIDER register is at offset 0xc0.
+	 * Hence, by reading address 0xc0c0, which is not impacted by endian
+	 * swapping, we assert either BE[3:2] or BE[1:0] while reading the
+	 * CIDER register.
+	 *
+	 * If the bus configuration is correct, reading 0xc0c0 asserts
+	 * BE[3:2] and this read returns 0x0000, because to read register
+	 * with bottom two LSbits of address set to 0, BE[1:0] must be
+	 * asserted.
+	 *
+	 * If the bus configuration is NOT correct, reading 0xc0c0 asserts
+	 * BE[1:0] and this read returns non-zero 0x8872 value.
+	 */
+	iowrite16(BE3 | BE2 | KS_CIDER, ks->hw_addr_cmd);
+	cider = ioread16(ks->hw_addr);
+	if (!cider)
+		return 0;
+
+	netdev_err(ks->netdev, "incorrect EESK endian strap setting\n");
+
+	return -EINVAL;
+}
+
+/**
  * ks_rdreg16 - read 16 bit register from device
  * @ks	  : The chip information
  * @offset: The register address
@@ -484,7 +528,7 @@
 
 static u16 ks_rdreg16(struct ks_net *ks, int offset)
 {
-	ks->cmd_reg_cache = (u16)offset | ((BE3 | BE2) >> (offset & 0x02));
+	ks->cmd_reg_cache = (u16)offset | ((BE1 | BE0) << (offset & 0x02));
 	iowrite16(ks->cmd_reg_cache, ks->hw_addr_cmd);
 	return ioread16(ks->hw_addr);
 }
@@ -499,7 +543,7 @@
 
 static void ks_wrreg16(struct ks_net *ks, int offset, u16 value)
 {
-	ks->cmd_reg_cache = (u16)offset | ((BE3 | BE2) >> (offset & 0x02));
+	ks->cmd_reg_cache = (u16)offset | ((BE1 | BE0) << (offset & 0x02));
 	iowrite16(ks->cmd_reg_cache, ks->hw_addr_cmd);
 	iowrite16(value, ks->hw_addr);
 }
@@ -515,7 +559,7 @@
 {
 	len >>= 1;
 	while (len--)
-		*wptr++ = be16_to_cpu(ioread16(ks->hw_addr));
+		*wptr++ = (u16)ioread16(ks->hw_addr);
 }
 
 /**
@@ -529,7 +573,7 @@
 {
 	len >>= 1;
 	while (len--)
-		iowrite16(cpu_to_be16(*wptr++), ks->hw_addr);
+		iowrite16(*wptr++, ks->hw_addr);
 }
 
 static void ks_disable_int(struct ks_net *ks)
@@ -1535,6 +1579,10 @@
 		goto err_free;
 	}
 
+	err = ks_check_endian(ks);
+	if (err)
+		goto err_free;
+
 	netdev->irq = platform_get_irq(pdev, 0);
 
 	if ((int)netdev->irq < 0) {
diff --git a/drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c b/drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c
index ea44a24..11dd7c8 100644
--- a/drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c
+++ b/drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c
@@ -2313,7 +2313,7 @@
 	if (!str || !*str)
 		return -EINVAL;
 	while ((opt = strsep(&str, ",")) != NULL) {
-		if (!strncmp(opt, "eee_timer:", 6)) {
+		if (!strncmp(opt, "eee_timer:", 10)) {
 			if (kstrtoint(opt + 10, 0, &eee_timer))
 				goto err;
 		}
diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c
index 8c64b06..da8bf32 100644
--- a/drivers/net/macsec.c
+++ b/drivers/net/macsec.c
@@ -19,6 +19,7 @@
 #include <net/genetlink.h>
 #include <net/sock.h>
 #include <net/gro_cells.h>
+#include <linux/if_arp.h>
 
 #include <uapi/linux/if_macsec.h>
 
@@ -3219,6 +3220,8 @@
 	real_dev = __dev_get_by_index(net, nla_get_u32(tb[IFLA_LINK]));
 	if (!real_dev)
 		return -ENODEV;
+	if (real_dev->type != ARPHRD_ETHER)
+		return -EINVAL;
 
 	dev->priv_flags |= IFF_MACSEC;
 
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index 987bb1d..bc4542d 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -2354,10 +2354,19 @@
 /* Setup stats when device is created */
 static int vxlan_init(struct net_device *dev)
 {
+	struct vxlan_dev *vxlan = netdev_priv(dev);
+	int err;
+
 	dev->tstats = netdev_alloc_pcpu_stats(struct pcpu_sw_netstats);
 	if (!dev->tstats)
 		return -ENOMEM;
 
+	err = gro_cells_init(&vxlan->gro_cells, dev);
+	if (err) {
+		free_percpu(dev->tstats);
+		return err;
+	}
+
 	return 0;
 }
 
@@ -2623,8 +2632,6 @@
 
 	vxlan->dev = dev;
 
-	gro_cells_init(&vxlan->gro_cells, dev);
-
 	for (h = 0; h < FDB_HASH_SIZE; ++h)
 		INIT_HLIST_HEAD(&vxlan->fdb_head[h]);
 }
diff --git a/drivers/nfc/fdp/fdp.c b/drivers/nfc/fdp/fdp.c
index 7c1eaea..d2fe134 100644
--- a/drivers/nfc/fdp/fdp.c
+++ b/drivers/nfc/fdp/fdp.c
@@ -192,7 +192,7 @@
 	const struct firmware *fw;
 	struct sk_buff *skb;
 	unsigned long len;
-	u8 max_size, payload_size;
+	int max_size, payload_size;
 	int rc = 0;
 
 	if ((type == NCI_PATCH_TYPE_OTP && !info->otp_patch) ||
@@ -215,8 +215,7 @@
 
 	while (len) {
 
-		payload_size = min_t(unsigned long, (unsigned long) max_size,
-				     len);
+		payload_size = min_t(unsigned long, max_size, len);
 
 		skb = nci_skb_alloc(ndev, (NCI_CTRL_HDR_SIZE + payload_size),
 				    GFP_KERNEL);
diff --git a/drivers/platform/msm/mhi_dev/mhi.c b/drivers/platform/msm/mhi_dev/mhi.c
index 125a1969..9f5adf0 100644
--- a/drivers/platform/msm/mhi_dev/mhi.c
+++ b/drivers/platform/msm/mhi_dev/mhi.c
@@ -837,6 +837,11 @@
 	switch (type) {
 	case MHI_DEV_RING_EL_RESET:
 	case MHI_DEV_RING_EL_STOP:
+		if ((chid-HW_CHANNEL_BASE) > NUM_HW_CHANNELS) {
+			pr_err("Invalid Channel ID = 0x%X\n", chid);
+			return -EINVAL;
+		}
+
 		rc = ipa_mhi_disconnect_pipe(
 			mhi->ipa_clnt_hndl[chid-HW_CHANNEL_BASE]);
 		if (rc)
@@ -868,6 +873,11 @@
 			return -EINVAL;
 		}
 
+		if ((chid-HW_CHANNEL_BASE) > NUM_HW_CHANNELS) {
+			pr_err("Invalid Channel = 0x%X\n", chid);
+			return -EINVAL;
+		}
+
 		rc = ipa_mhi_connect_pipe(&connect_params,
 			&mhi->ipa_clnt_hndl[chid-HW_CHANNEL_BASE]);
 		if (rc)
@@ -1075,8 +1085,10 @@
 	enum mhi_ctrl_info state_data;
 
 	/* Currently no clients register for HW channel notify */
-	if (ch_id >= MHI_MAX_SOFTWARE_CHANNELS)
+	if (ch_id >= MHI_MAX_SOFTWARE_CHANNELS) {
+		mhi_log(MHI_MSG_ERROR, "Invalid channel :%d\n", ch_id);
 		return;
+	}
 
 	list_for_each_entry(info, &mhi_ctx->client_cb_list, list)
 		if (info->cb && info->cb_data.channel == ch_id) {
@@ -2926,7 +2938,7 @@
 	}
 
 	if (channel >= MHI_MAX_SOFTWARE_CHANNELS) {
-		pr_err("Invalid channel :%d\n", channel);
+		mhi_log(MHI_MSG_ERROR, "Invalid channel :%d\n", channel);
 		return -EINVAL;
 	}
 
@@ -2966,8 +2978,10 @@
 	struct mhi_dev_client_cb_reason reason;
 
 	/* Currently no clients register for HW channel notify */
-	if (uevent_idx >= MHI_MAX_SOFTWARE_CHANNELS)
+	if (uevent_idx >= MHI_MAX_SOFTWARE_CHANNELS) {
+		mhi_log(MHI_MSG_ERROR, "Invalid channel :%d\n", uevent_idx);
 		return;
+	}
 
 	if (uevent_idx == MHI_DEV_UEVENT_CTRL)
 		mhi_ctx->ctrl_info = info;
@@ -2990,8 +3004,10 @@
 	else
 		if (idx < MHI_MAX_SOFTWARE_CHANNELS)
 			*info = channel_state_info[idx].ctrl_info;
-		else
+		else {
+			mhi_log(MHI_MSG_ERROR, "Invalid channel :%d\n", idx);
 			return -EINVAL;
+		}
 
 	mhi_log(MHI_MSG_VERBOSE, "idx:%d, ctrl:%d", idx, *info);
 
diff --git a/drivers/platform/msm/mhi_dev/mhi.h b/drivers/platform/msm/mhi_dev/mhi.h
index f97efd5..20d5d66 100644
--- a/drivers/platform/msm/mhi_dev/mhi.h
+++ b/drivers/platform/msm/mhi_dev/mhi.h
@@ -271,6 +271,7 @@
 
 #define NUM_CHANNELS			128
 #define HW_CHANNEL_BASE			100
+#define NUM_HW_CHANNELS			15
 #define HW_CHANNEL_END			107
 #define MHI_ENV_VALUE			2
 #define MHI_MASK_ROWS_CH_EV_DB		4
@@ -537,7 +538,7 @@
 	uint32_t			ch_ring_start;
 
 	/* IPA Handles */
-	u32				ipa_clnt_hndl[4];
+	u32				ipa_clnt_hndl[NUM_HW_CHANNELS];
 	struct workqueue_struct		*ring_init_wq;
 	struct work_struct		ring_init_cb_work;
 	struct work_struct		re_init;
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index 5292826..18c2030 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -304,6 +304,7 @@
 config RTC_DRV_MAX8907
 	tristate "Maxim MAX8907"
 	depends on MFD_MAX8907
+	select REGMAP_IRQ
 	help
 	  If you say yes here you will get support for the
 	  RTC of Maxim MAX8907 PMIC.
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index c5bc41d..7760b9a 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -9818,6 +9818,7 @@
 	ioa_cfg->max_devs_supported = ipr_max_devs;
 
 	if (ioa_cfg->sis64) {
+		host->max_channel = IPR_MAX_SIS64_BUSES;
 		host->max_id = IPR_MAX_SIS64_TARGETS_PER_BUS;
 		host->max_lun = IPR_MAX_SIS64_LUNS_PER_TARGET;
 		if (ipr_max_devs > IPR_MAX_SIS64_DEVS)
@@ -9826,6 +9827,7 @@
 					   + ((sizeof(struct ipr_config_table_entry64)
 					       * ioa_cfg->max_devs_supported)));
 	} else {
+		host->max_channel = IPR_VSET_BUS;
 		host->max_id = IPR_MAX_NUM_TARGETS_PER_BUS;
 		host->max_lun = IPR_MAX_NUM_LUNS_PER_TARGET;
 		if (ipr_max_devs > IPR_MAX_PHYSICAL_DEVS)
@@ -9835,7 +9837,6 @@
 					       * ioa_cfg->max_devs_supported)));
 	}
 
-	host->max_channel = IPR_VSET_BUS;
 	host->unique_id = host->host_no;
 	host->max_cmd_len = IPR_MAX_CDB_LEN;
 	host->can_queue = ioa_cfg->max_cmds;
diff --git a/drivers/scsi/ipr.h b/drivers/scsi/ipr.h
index 8995053..5b23882 100644
--- a/drivers/scsi/ipr.h
+++ b/drivers/scsi/ipr.h
@@ -1306,6 +1306,7 @@
 #define IPR_ARRAY_VIRTUAL_BUS			0x1
 #define IPR_VSET_VIRTUAL_BUS			0x2
 #define IPR_IOAFP_VIRTUAL_BUS			0x3
+#define IPR_MAX_SIS64_BUSES			0x4
 
 #define IPR_GET_RES_PHYS_LOC(res) \
 	(((res)->bus << 24) | ((res)->target << 8) | (res)->lun)
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 1c4a14d..dd0fdc6 100755
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -2861,9 +2861,10 @@
 	if (sd_validate_opt_xfer_size(sdkp, dev_max)) {
 		rw_max = q->limits.io_opt =
 						sdkp->opt_xfer_blocks * sdp->sector_size;
-	} else
+	} else {
 		rw_max = min_not_zero(logical_to_sectors(sdp, dev_max),
 				      (sector_t)BLK_DEF_MAX_SECTORS);
+	}
 
 	/* Do not exceed controller limit */
 	rw_max = min(rw_max, queue_max_hw_sectors(q));
diff --git a/drivers/soc/qcom/bgcom_spi.c b/drivers/soc/qcom/bgcom_spi.c
index a6a176a..ff07a32 100644
--- a/drivers/soc/qcom/bgcom_spi.c
+++ b/drivers/soc/qcom/bgcom_spi.c
@@ -1050,6 +1050,7 @@
 {
 	struct bg_spi_priv *bg_spi = spi_get_drvdata(spi);
 
+	bg_com_drv = NULL;
 	mutex_destroy(&bg_spi->xfer_mutex);
 	devm_kfree(&spi->dev, bg_spi);
 	spi_set_drvdata(spi, NULL);
diff --git a/drivers/spi/spi-qup.c b/drivers/spi/spi-qup.c
index 1bfa889..88b108e 100644
--- a/drivers/spi/spi-qup.c
+++ b/drivers/spi/spi-qup.c
@@ -974,6 +974,11 @@
 	struct spi_qup *controller = spi_master_get_devdata(master);
 	int ret;
 
+	if (pm_runtime_suspended(device)) {
+		ret = spi_qup_pm_resume_runtime(device);
+		if (ret)
+			return ret;
+	}
 	ret = spi_master_suspend(master);
 	if (ret)
 		return ret;
@@ -982,10 +987,8 @@
 	if (ret)
 		return ret;
 
-	if (!pm_runtime_suspended(device)) {
-		clk_disable_unprepare(controller->cclk);
-		clk_disable_unprepare(controller->iclk);
-	}
+	clk_disable_unprepare(controller->cclk);
+	clk_disable_unprepare(controller->iclk);
 	return 0;
 }
 
diff --git a/drivers/spi/spi-zynqmp-gqspi.c b/drivers/spi/spi-zynqmp-gqspi.c
index 18aeace..d26c0ed 100644
--- a/drivers/spi/spi-zynqmp-gqspi.c
+++ b/drivers/spi/spi-zynqmp-gqspi.c
@@ -415,9 +415,6 @@
 
 	zynqmp_gqspi_write(xqspi, GQSPI_GEN_FIFO_OFST, genfifoentry);
 
-	/* Dummy generic FIFO entry */
-	zynqmp_gqspi_write(xqspi, GQSPI_GEN_FIFO_OFST, 0x0);
-
 	/* Manually start the generic FIFO command */
 	zynqmp_gqspi_write(xqspi, GQSPI_CONFIG_OFST,
 			zynqmp_gqspi_read(xqspi, GQSPI_CONFIG_OFST) |
diff --git a/drivers/staging/greybus/tools/loopback_test.c b/drivers/staging/greybus/tools/loopback_test.c
index f7f4cd6..8d2678b 100644
--- a/drivers/staging/greybus/tools/loopback_test.c
+++ b/drivers/staging/greybus/tools/loopback_test.c
@@ -20,6 +20,7 @@
 #include <signal.h>
 
 #define MAX_NUM_DEVICES 10
+#define MAX_SYSFS_PREFIX 0x80
 #define MAX_SYSFS_PATH	0x200
 #define CSV_MAX_LINE	0x1000
 #define SYSFS_MAX_INT	0x20
@@ -68,7 +69,7 @@
 };
 
 struct loopback_device {
-	char name[MAX_SYSFS_PATH];
+	char name[MAX_STR_LEN];
 	char sysfs_entry[MAX_SYSFS_PATH];
 	char debugfs_entry[MAX_SYSFS_PATH];
 	struct loopback_results results;
@@ -94,8 +95,8 @@
 	int stop_all;
 	int poll_count;
 	char test_name[MAX_STR_LEN];
-	char sysfs_prefix[MAX_SYSFS_PATH];
-	char debugfs_prefix[MAX_SYSFS_PATH];
+	char sysfs_prefix[MAX_SYSFS_PREFIX];
+	char debugfs_prefix[MAX_SYSFS_PREFIX];
 	struct timespec poll_timeout;
 	struct loopback_device devices[MAX_NUM_DEVICES];
 	struct loopback_results aggregate_results;
@@ -646,7 +647,7 @@
 static int open_poll_files(struct loopback_test *t)
 {
 	struct loopback_device *dev;
-	char buf[MAX_STR_LEN];
+	char buf[MAX_SYSFS_PATH + MAX_STR_LEN];
 	char dummy;
 	int fds_idx = 0;
 	int i;
@@ -917,10 +918,10 @@
 			t.iteration_max = atoi(optarg);
 			break;
 		case 'S':
-			snprintf(t.sysfs_prefix, MAX_SYSFS_PATH, "%s", optarg);
+			snprintf(t.sysfs_prefix, MAX_SYSFS_PREFIX, "%s", optarg);
 			break;
 		case 'D':
-			snprintf(t.debugfs_prefix, MAX_SYSFS_PATH, "%s", optarg);
+			snprintf(t.debugfs_prefix, MAX_SYSFS_PREFIX, "%s", optarg);
 			break;
 		case 'm':
 			t.mask = atol(optarg);
@@ -971,10 +972,10 @@
 	}
 
 	if (!strcmp(t.sysfs_prefix, ""))
-		snprintf(t.sysfs_prefix, MAX_SYSFS_PATH, "%s", sysfs_prefix);
+		snprintf(t.sysfs_prefix, MAX_SYSFS_PREFIX, "%s", sysfs_prefix);
 
 	if (!strcmp(t.debugfs_prefix, ""))
-		snprintf(t.debugfs_prefix, MAX_SYSFS_PATH, "%s", debugfs_prefix);
+		snprintf(t.debugfs_prefix, MAX_SYSFS_PREFIX, "%s", debugfs_prefix);
 
 	ret = find_loopback_devices(&t);
 	if (ret)
diff --git a/drivers/staging/rtl8188eu/os_dep/usb_intf.c b/drivers/staging/rtl8188eu/os_dep/usb_intf.c
index 537a99e..c140880 100644
--- a/drivers/staging/rtl8188eu/os_dep/usb_intf.c
+++ b/drivers/staging/rtl8188eu/os_dep/usb_intf.c
@@ -40,12 +40,14 @@
 	/****** 8188EUS ********/
 	{USB_DEVICE(0x056e, 0x4008)}, /* Elecom WDC-150SU2M */
 	{USB_DEVICE(0x07b8, 0x8179)}, /* Abocom - Abocom */
+	{USB_DEVICE(0x0B05, 0x18F0)}, /* ASUS USB-N10 Nano B1 */
 	{USB_DEVICE(0x2001, 0x330F)}, /* DLink DWA-125 REV D1 */
 	{USB_DEVICE(0x2001, 0x3310)}, /* Dlink DWA-123 REV D1 */
 	{USB_DEVICE(0x2001, 0x3311)}, /* DLink GO-USB-N150 REV B1 */
 	{USB_DEVICE(0x2001, 0x331B)}, /* D-Link DWA-121 rev B1 */
 	{USB_DEVICE(0x2357, 0x010c)}, /* TP-Link TL-WN722N v2 */
 	{USB_DEVICE(0x2357, 0x0111)}, /* TP-Link TL-WN727N v5.21 */
+	{USB_DEVICE(0x2C4E, 0x0102)}, /* MERCUSYS MW150US v2 */
 	{USB_DEVICE(0x0df6, 0x0076)}, /* Sitecom N150 v2 */
 	{USB_DEVICE(USB_VENDER_ID_REALTEK, 0xffef)}, /* Rosewill RNX-N150NUB */
 	{}	/* Terminating entry */
diff --git a/drivers/staging/speakup/main.c b/drivers/staging/speakup/main.c
index 97ca4ec..37bc3c6 100644
--- a/drivers/staging/speakup/main.c
+++ b/drivers/staging/speakup/main.c
@@ -565,8 +565,7 @@
 		return 0;
 	} else if ((tmpx < vc->vc_cols - 2)
 		   && (ch == SPACE || ch == 0 || IS_WDLM(ch))
-		   && ((char)get_char(vc, (u_short *) &tmp_pos + 1, &temp) >
-		       SPACE)) {
+		   && ((char)get_char(vc, (u_short *)tmp_pos + 1, &temp) > SPACE)) {
 		tmp_pos += 2;
 		tmpx++;
 	} else
diff --git a/drivers/staging/wlan-ng/hfa384x_usb.c b/drivers/staging/wlan-ng/hfa384x_usb.c
index 6a107f8..52ad5c1 100644
--- a/drivers/staging/wlan-ng/hfa384x_usb.c
+++ b/drivers/staging/wlan-ng/hfa384x_usb.c
@@ -3443,6 +3443,8 @@
 	     WLAN_HDR_A4_LEN + WLAN_DATA_MAXLEN + WLAN_CRC_LEN)) {
 		pr_debug("overlen frm: len=%zd\n",
 			 skblen - sizeof(struct p80211_caphdr));
+
+		return;
 	}
 
 	skb = dev_alloc_skb(skblen);
diff --git a/drivers/staging/wlan-ng/prism2usb.c b/drivers/staging/wlan-ng/prism2usb.c
index bfb6b0a..f7149bb 100644
--- a/drivers/staging/wlan-ng/prism2usb.c
+++ b/drivers/staging/wlan-ng/prism2usb.c
@@ -179,6 +179,7 @@
 
 		cancel_work_sync(&hw->link_bh);
 		cancel_work_sync(&hw->commsqual_bh);
+		cancel_work_sync(&hw->usb_work);
 
 		/* Now we complete any outstanding commands
 		 * and tell everyone who is waiting for their
diff --git a/drivers/tty/vt/selection.c b/drivers/tty/vt/selection.c
index 1edc1a3..225689c 100644
--- a/drivers/tty/vt/selection.c
+++ b/drivers/tty/vt/selection.c
@@ -80,6 +80,11 @@
 	}
 }
 
+bool vc_is_sel(struct vc_data *vc)
+{
+	return vc == sel_cons;
+}
+
 /*
  * User settable table: what characters are to be considered alphabetic?
  * 256 bits. Locked by the console lock.
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index c1d3b68..29fb08c8 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -595,8 +595,9 @@
 
 static void hide_cursor(struct vc_data *vc)
 {
-	if (vc == sel_cons)
+	if (vc_is_sel(vc))
 		clear_selection();
+
 	vc->vc_sw->con_cursor(vc, CM_ERASE);
 	hide_softcursor(vc);
 }
@@ -606,7 +607,7 @@
 	if (!con_is_fg(vc) || console_blanked || vc->vc_mode == KD_GRAPHICS)
 		return;
 	if (vc->vc_deccm) {
-		if (vc == sel_cons)
+		if (vc_is_sel(vc))
 			clear_selection();
 		add_softcursor(vc);
 		if ((vc->vc_cursor_type & 0x0f) != 1)
@@ -753,6 +754,17 @@
 	vc->vc_screenbuf_size = vc->vc_rows * vc->vc_size_row;
 }
 
+static void vc_port_destruct(struct tty_port *port)
+{
+	struct vc_data *vc = container_of(port, struct vc_data, port);
+
+	kfree(vc);
+}
+
+static const struct tty_port_operations vc_port_ops = {
+	.destruct = vc_port_destruct,
+};
+
 int vc_allocate(unsigned int currcons)	/* return 0 on success */
 {
 	struct vt_notifier_param param;
@@ -778,6 +790,7 @@
 
 	vc_cons[currcons].d = vc;
 	tty_port_init(&vc->port);
+	vc->port.ops = &vc_port_ops;
 	INIT_WORK(&vc_cons[currcons].SAK_work, vc_SAK);
 
 	visual_init(vc, currcons, 1);
@@ -876,7 +889,7 @@
 	if (!newscreen)
 		return -ENOMEM;
 
-	if (vc == sel_cons)
+	if (vc_is_sel(vc))
 		clear_selection();
 
 	old_rows = vc->vc_rows;
@@ -2896,6 +2909,7 @@
 
 	tty->driver_data = vc;
 	vc->port.tty = tty;
+	tty_port_get(&vc->port);
 
 	if (!tty->winsize.ws_row && !tty->winsize.ws_col) {
 		tty->winsize.ws_row = vc_cons[currcons].d->vc_rows;
@@ -2931,6 +2945,13 @@
 	console_unlock();
 }
 
+static void con_cleanup(struct tty_struct *tty)
+{
+	struct vc_data *vc = tty->driver_data;
+
+	tty_port_put(&vc->port);
+}
+
 static int default_color           = 7; /* white */
 static int default_italic_color    = 2; // green (ASCII)
 static int default_underline_color = 3; // cyan (ASCII)
@@ -3055,7 +3076,8 @@
 	.throttle = con_throttle,
 	.unthrottle = con_unthrottle,
 	.resize = vt_resize,
-	.shutdown = con_shutdown
+	.shutdown = con_shutdown,
+	.cleanup = con_cleanup,
 };
 
 static struct cdev vc0_cdev;
diff --git a/drivers/tty/vt/vt_ioctl.c b/drivers/tty/vt/vt_ioctl.c
index e8efb27..4ed0d77 100644
--- a/drivers/tty/vt/vt_ioctl.c
+++ b/drivers/tty/vt/vt_ioctl.c
@@ -38,11 +38,32 @@
 #include <linux/kbd_diacr.h>
 #include <linux/selection.h>
 
-char vt_dont_switch;
-extern struct tty_driver *console_driver;
+bool vt_dont_switch;
 
-#define VT_IS_IN_USE(i)	(console_driver->ttys[i] && console_driver->ttys[i]->count)
-#define VT_BUSY(i)	(VT_IS_IN_USE(i) || i == fg_console || vc_cons[i].d == sel_cons)
+static inline bool vt_in_use(unsigned int i)
+{
+	const struct vc_data *vc = vc_cons[i].d;
+
+	/*
+	 * console_lock must be held to prevent the vc from being deallocated
+	 * while we're checking whether it's in-use.
+	 */
+	WARN_CONSOLE_UNLOCKED();
+
+	return vc && kref_read(&vc->port.kref) > 1;
+}
+
+static inline bool vt_busy(int i)
+{
+	if (vt_in_use(i))
+		return true;
+	if (i == fg_console)
+		return true;
+	if (vc_is_sel(vc_cons[i].d))
+		return true;
+
+	return false;
+}
 
 /*
  * Console (vt and kd) routines, as defined by USL SVR4 manual, and by
@@ -292,16 +313,14 @@
 	int ret = 0;
 
 	console_lock();
-	if (VT_BUSY(vc_num))
+	if (vt_busy(vc_num))
 		ret = -EBUSY;
 	else if (vc_num)
 		vc = vc_deallocate(vc_num);
 	console_unlock();
 
-	if (vc && vc_num >= MIN_NR_CONSOLES) {
-		tty_port_destroy(&vc->port);
-		kfree(vc);
-	}
+	if (vc && vc_num >= MIN_NR_CONSOLES)
+		tty_port_put(&vc->port);
 
 	return ret;
 }
@@ -314,17 +333,15 @@
 
 	console_lock();
 	for (i = 1; i < MAX_NR_CONSOLES; i++)
-		if (!VT_BUSY(i))
+		if (!vt_busy(i))
 			vc[i] = vc_deallocate(i);
 		else
 			vc[i] = NULL;
 	console_unlock();
 
 	for (i = 1; i < MAX_NR_CONSOLES; i++) {
-		if (vc[i] && i >= MIN_NR_CONSOLES) {
-			tty_port_destroy(&vc[i]->port);
-			kfree(vc[i]);
-		}
+		if (vc[i] && i >= MIN_NR_CONSOLES)
+			tty_port_put(&vc[i]->port);
 	}
 }
 
@@ -338,22 +355,13 @@
 {
 	struct vc_data *vc = tty->driver_data;
 	struct console_font_op op;	/* used in multiple places here */
-	unsigned int console;
+	unsigned int console = vc->vc_num;
 	unsigned char ucval;
 	unsigned int uival;
 	void __user *up = (void __user *)arg;
 	int i, perm;
 	int ret = 0;
 
-	console = vc->vc_num;
-
-
-	if (!vc_cons_allocated(console)) { 	/* impossible? */
-		ret = -ENOIOCTLCMD;
-		goto out;
-	}
-
-
 	/*
 	 * To have permissions to do most of the vt ioctls, we either have
 	 * to be the owner of the tty, or have CAP_SYS_TTY_CONFIG.
@@ -644,15 +652,16 @@
 		struct vt_stat __user *vtstat = up;
 		unsigned short state, mask;
 
-		/* Review: FIXME: Console lock ? */
 		if (put_user(fg_console + 1, &vtstat->v_active))
 			ret = -EFAULT;
 		else {
 			state = 1;	/* /dev/tty0 is always open */
+			console_lock(); /* required by vt_in_use() */
 			for (i = 0, mask = 2; i < MAX_NR_CONSOLES && mask;
 							++i, mask <<= 1)
-				if (VT_IS_IN_USE(i))
+				if (vt_in_use(i))
 					state |= mask;
+			console_unlock();
 			ret = put_user(state, &vtstat->v_state);
 		}
 		break;
@@ -662,10 +671,11 @@
 	 * Returns the first available (non-opened) console.
 	 */
 	case VT_OPENQRY:
-		/* FIXME: locking ? - but then this is a stupid API */
+		console_lock(); /* required by vt_in_use() */
 		for (i = 0; i < MAX_NR_CONSOLES; ++i)
-			if (! VT_IS_IN_USE(i))
+			if (!vt_in_use(i))
 				break;
+		console_unlock();
 		uival = i < MAX_NR_CONSOLES ? (i+1) : -1;
 		goto setint;		 
 
@@ -1014,12 +1024,12 @@
 	case VT_LOCKSWITCH:
 		if (!capable(CAP_SYS_TTY_CONFIG))
 			return -EPERM;
-		vt_dont_switch = 1;
+		vt_dont_switch = true;
 		break;
 	case VT_UNLOCKSWITCH:
 		if (!capable(CAP_SYS_TTY_CONFIG))
 			return -EPERM;
-		vt_dont_switch = 0;
+		vt_dont_switch = false;
 		break;
 	case VT_GETHIFONTMASK:
 		ret = put_user(vc->vc_hi_font_mask,
@@ -1187,18 +1197,10 @@
 {
 	struct vc_data *vc = tty->driver_data;
 	struct console_font_op op;	/* used in multiple places here */
-	unsigned int console;
 	void __user *up = (void __user *)arg;
 	int perm;
 	int ret = 0;
 
-	console = vc->vc_num;
-
-	if (!vc_cons_allocated(console)) { 	/* impossible? */
-		ret = -ENOIOCTLCMD;
-		goto out;
-	}
-
 	/*
 	 * To have permissions to do most of the vt ioctls, we either have
 	 * to be the owner of the tty, or have CAP_SYS_TTY_CONFIG.
@@ -1258,7 +1260,7 @@
 		arg = (unsigned long)compat_ptr(arg);
 		goto fallback;
 	}
-out:
+
 	return ret;
 
 fallback:
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index b2edbd4..5b0bffba 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -828,10 +828,10 @@
 	tmp.flags = ASYNC_LOW_LATENCY;
 	tmp.xmit_fifo_size = acm->writesize;
 	tmp.baud_base = le32_to_cpu(acm->line.dwDTERate);
-	tmp.close_delay	= acm->port.close_delay / 10;
+	tmp.close_delay	= jiffies_to_msecs(acm->port.close_delay) / 10;
 	tmp.closing_wait = acm->port.closing_wait == ASYNC_CLOSING_WAIT_NONE ?
 				ASYNC_CLOSING_WAIT_NONE :
-				acm->port.closing_wait / 10;
+				jiffies_to_msecs(acm->port.closing_wait) / 10;
 
 	if (copy_to_user(info, &tmp, sizeof(tmp)))
 		return -EFAULT;
@@ -844,20 +844,28 @@
 {
 	struct serial_struct new_serial;
 	unsigned int closing_wait, close_delay;
+	unsigned int old_closing_wait, old_close_delay;
 	int retval = 0;
 
 	if (copy_from_user(&new_serial, newinfo, sizeof(new_serial)))
 		return -EFAULT;
 
-	close_delay = new_serial.close_delay * 10;
+	close_delay = msecs_to_jiffies(new_serial.close_delay * 10);
 	closing_wait = new_serial.closing_wait == ASYNC_CLOSING_WAIT_NONE ?
-			ASYNC_CLOSING_WAIT_NONE : new_serial.closing_wait * 10;
+			ASYNC_CLOSING_WAIT_NONE :
+			msecs_to_jiffies(new_serial.closing_wait * 10);
+
+	/* we must redo the rounding here, so that the values match */
+	old_close_delay	= jiffies_to_msecs(acm->port.close_delay) / 10;
+	old_closing_wait = acm->port.closing_wait == ASYNC_CLOSING_WAIT_NONE ?
+				ASYNC_CLOSING_WAIT_NONE :
+				jiffies_to_msecs(acm->port.closing_wait) / 10;
 
 	mutex_lock(&acm->port.mutex);
 
 	if (!capable(CAP_SYS_ADMIN)) {
-		if ((close_delay != acm->port.close_delay) ||
-		    (closing_wait != acm->port.closing_wait))
+		if ((new_serial.close_delay != old_close_delay) ||
+	            (new_serial.closing_wait != old_closing_wait))
 			retval = -EPERM;
 		else
 			retval = -EOPNOTSUPP;
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index 64c03e8..6c4bb47 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -229,6 +229,12 @@
 	{ USB_DEVICE(0x0b05, 0x17e0), .driver_info =
 			USB_QUIRK_IGNORE_REMOTE_WAKEUP },
 
+	/* Realtek hub in Dell WD19 (Type-C) */
+	{ USB_DEVICE(0x0bda, 0x0487), .driver_info = USB_QUIRK_NO_LPM },
+
+	/* Generic RTL8153 based ethernet adapters */
+	{ USB_DEVICE(0x0bda, 0x8153), .driver_info = USB_QUIRK_NO_LPM },
+
 	/* Action Semiconductor flash disk */
 	{ USB_DEVICE(0x10d6, 0x2200), .driver_info =
 			USB_QUIRK_STRING_FETCH_255 },
diff --git a/drivers/usb/gadget/function/f_cdev.c b/drivers/usb/gadget/function/f_cdev.c
index 5453df1..c9bd871 100644
--- a/drivers/usb/gadget/function/f_cdev.c
+++ b/drivers/usb/gadget/function/f_cdev.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, 2013-2018, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2011, 2013-2020, The Linux Foundation. All rights reserved.
  * Linux Foundation chooses to take subject only to the GPLv2 license terms,
  * and distributes only under these terms.
  *
@@ -58,6 +58,7 @@
 #define BRIDGE_RX_BUF_SIZE	2048
 #define BRIDGE_TX_QUEUE_SIZE	8
 #define BRIDGE_TX_BUF_SIZE	2048
+#define BRIDGE_RX_BUF_SIZE_STANDALONE  (50 * 1024)
 
 #define GS_LOG2_NOTIFY_INTERVAL		5  /* 1 << 5 == 32 msec */
 #define GS_NOTIFY_MAXPACKET		10 /* notification + 2 bytes */
@@ -350,6 +351,9 @@
 	NULL,
 };
 
+static bool standalone_mode;
+static unsigned int bridge_rx_buf_size = BRIDGE_RX_BUF_SIZE;
+
 static inline struct f_cdev *func_to_port(struct usb_function *f)
 {
 	return container_of(f, struct f_cdev, port_usb.func);
@@ -952,7 +956,7 @@
 
 		req = list_entry(pool->next, struct usb_request, list);
 		list_del_init(&req->list);
-		req->length = BRIDGE_RX_BUF_SIZE;
+		req->length = bridge_rx_buf_size;
 		req->complete = usb_cser_read_complete;
 		spin_unlock_irqrestore(&port->port_lock, flags);
 		ret = usb_ep_queue(ep, req, GFP_KERNEL);
@@ -1046,7 +1050,7 @@
 
 	ret = usb_cser_alloc_requests(port->port_usb.out,
 				&port->read_pool,
-				BRIDGE_RX_QUEUE_SIZE, BRIDGE_RX_BUF_SIZE, 0,
+				BRIDGE_RX_QUEUE_SIZE, bridge_rx_buf_size, 0,
 				usb_cser_read_complete);
 	if (ret) {
 		pr_err("unable to allocate out requests\n");
@@ -1247,6 +1251,8 @@
 			current_rx_req = NULL;
 			current_rx_buf = NULL;
 		}
+		if (standalone_mode)
+			break;
 	}
 
 	port->pending_rx_bytes = pending_rx_bytes;
@@ -2059,6 +2065,28 @@
 	return &port->port_usb.func;
 }
 
+static int __init f_cdev_init(void)
+{
+	char *cmdline;
+
+	cmdline = strnstr(boot_command_line,
+			"msm_drm.dsi_display0=dsi_sim_vid_display",
+	strlen(boot_command_line));
+	if (cmdline) {
+		pr_debug("%s tethered mode cmdline:%s\n",
+				__func__, cmdline);
+		standalone_mode = false;
+		bridge_rx_buf_size = BRIDGE_RX_BUF_SIZE;
+	} else {
+		pr_debug("%s standalone mode cmdline:\n",
+				__func__);
+		standalone_mode = true;
+		bridge_rx_buf_size = BRIDGE_RX_BUF_SIZE_STANDALONE;
+	}
+	return 0;
+}
+device_initcall(f_cdev_init);
+
 DECLARE_USB_FUNCTION_INIT(cser, cser_alloc_inst, cser_alloc);
 MODULE_DESCRIPTION("USB Serial Character Driver");
 MODULE_LICENSE("GPL v2");
diff --git a/drivers/usb/gadget/legacy/qti_gadget.c b/drivers/usb/gadget/legacy/qti_gadget.c
index 77b458a..972168c 100644
--- a/drivers/usb/gadget/legacy/qti_gadget.c
+++ b/drivers/usb/gadget/legacy/qti_gadget.c
@@ -497,7 +497,7 @@
 		gadget->cdev.desc.bDeviceProtocol = (u8)val;
 
 	/* Check if pid passed via cmdline which takes precedence */
-	if (usb_pid_string != NULL) {
+	if (usb_pid_string[0] != 0) {
 		ret = kstrtoint(usb_pid_string, 16, &val);
 		if (ret)
 			return ret;
diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
index 75afa8f..d6176d5 100644
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -524,6 +524,7 @@
 static struct platform_driver usb_xhci_driver = {
 	.probe	= xhci_plat_probe,
 	.remove	= xhci_plat_remove,
+	.shutdown = usb_hcd_platform_shutdown,
 	.driver	= {
 		.name = "xhci-hcd",
 		.pm = DEV_PM_OPS,
diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
index 19b5f08..01ef25b 100644
--- a/drivers/usb/musb/musb_host.c
+++ b/drivers/usb/musb/musb_host.c
@@ -1494,10 +1494,7 @@
 	 * We need to map sg if the transfer_buffer is
 	 * NULL.
 	 */
-	if (!urb->transfer_buffer)
-		qh->use_sg = true;
-
-	if (qh->use_sg) {
+	if (!urb->transfer_buffer) {
 		/* sg_miter_start is already done in musb_ep_program */
 		if (!sg_miter_next(&qh->sg_miter)) {
 			dev_err(musb->controller, "error: sg list empty\n");
@@ -1505,9 +1502,8 @@
 			status = -EINVAL;
 			goto done;
 		}
-		urb->transfer_buffer = qh->sg_miter.addr;
 		length = min_t(u32, length, qh->sg_miter.length);
-		musb_write_fifo(hw_ep, length, urb->transfer_buffer);
+		musb_write_fifo(hw_ep, length, qh->sg_miter.addr);
 		qh->sg_miter.consumed = length;
 		sg_miter_stop(&qh->sg_miter);
 	} else {
@@ -1516,11 +1512,6 @@
 
 	qh->segsize = length;
 
-	if (qh->use_sg) {
-		if (offset + length >= urb->transfer_buffer_length)
-			qh->use_sg = false;
-	}
-
 	musb_ep_select(mbase, epnum);
 	musb_writew(epio, MUSB_TXCSR,
 			MUSB_TXCSR_H_WZC_BITS | MUSB_TXCSR_TXPKTRDY);
@@ -2040,8 +2031,10 @@
 	urb->actual_length += xfer_len;
 	qh->offset += xfer_len;
 	if (done) {
-		if (qh->use_sg)
+		if (qh->use_sg) {
 			qh->use_sg = false;
+			urb->transfer_buffer = NULL;
+		}
 
 		if (urb->status == -EINPROGRESS)
 			urb->status = status;
diff --git a/drivers/usb/pd/policy_engine.c b/drivers/usb/pd/policy_engine.c
index 3811792..a6a7380 100644
--- a/drivers/usb/pd/policy_engine.c
+++ b/drivers/usb/pd/policy_engine.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2016-2018, Linux Foundation. All rights reserved.
+/* Copyright (c) 2016-2020, Linux Foundation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -42,6 +42,13 @@
 module_param(rev3_sink_only, bool, 0644);
 MODULE_PARM_DESC(rev3_sink_only, "Enable power delivery rev3.0 sink only mode");
 
+#define XR1_DISCOVER_VDO 0x1085
+#define XR1_DEFAULT_VDO 0x0
+#define XR1_PIN_E_VDO 0x0082
+#define DP_USBPD_EVT_STATUS_XR1 0x10
+#define DP_USBPD_EVT_CONFIGURE_XR1 0x11
+static bool sxr_dp_mode;
+
 enum usbpd_state {
 	PE_UNKNOWN,
 	PE_ERROR_RECOVERY,
@@ -394,6 +401,9 @@
 #define IS_EXT(m, t) ((m) && PD_MSG_HDR_IS_EXTENDED((m)->hdr) && \
 		(PD_MSG_HDR_TYPE((m)->hdr) == (t)))
 
+#define SXR_SEND_SVDM(pd, cmd, num, tx_vdos, pos) usbpd_send_svdm(pd, 0xFF01, \
+						cmd, SVDM_CMD_TYPE_RESP_ACK, \
+						 num, tx_vdos, pos)
 struct usbpd {
 	struct device		dev;
 	struct workqueue_struct	*wq;
@@ -488,6 +498,7 @@
 	u8			get_battery_status_db;
 	bool			send_get_battery_status;
 	u32			battery_sts_dobj;
+	bool			is_sxr_dp_sink;
 };
 
 static LIST_HEAD(_usbpd);	/* useful for debugging */
@@ -1698,7 +1709,47 @@
 	}
 
 	if (handler && handler->svdm_received) {
-		handler->svdm_received(handler, cmd, cmd_type, vdos, num_vdos);
+		if (pd->is_sxr_dp_sink) {
+			u32 tx_vdos[1];
+
+			switch (cmd) {
+			/*CMD 3, Type 1, PayLoad 43 */
+			case USBPD_SVDM_DISCOVER_MODES:
+				usbpd_dbg(&pd->dev,
+					 "USBPD_SVDM_DISCOVER_MODES\n");
+				tx_vdos[0] = XR1_DISCOVER_VDO;
+				usbpd_dbg(&pd->dev, "sending RESP_ACK\n");
+				SXR_SEND_SVDM(pd, cmd, 0x0, tx_vdos, 0x1);
+				break;
+			/*CMD 4, Type 1, PayLoad 44 */
+			case USBPD_SVDM_ENTER_MODE:
+				usbpd_dbg(&pd->dev, "USBPD_SVDM_ENTER_MODE\n");
+				tx_vdos[0] = XR1_DEFAULT_VDO;
+				usbpd_dbg(&pd->dev, "sending RESP_ACK\n");
+				SXR_SEND_SVDM(pd, cmd, 0x1, tx_vdos, 0x0);
+				break;
+			/*CMD 10, Type 1, PayLoad 50 */
+			case DP_USBPD_EVT_STATUS_XR1:
+				tx_vdos[0] = XR1_PIN_E_VDO; // Pin assign E
+				usbpd_dbg(&pd->dev,
+					"DP_USBPD_EVT_STATUS_XR1\n");
+				SXR_SEND_SVDM(pd, cmd, 0x1, tx_vdos, 0x1);
+				break;
+			/*CMD 11, Type 1, PayLoad 51 */
+			case DP_USBPD_EVT_CONFIGURE_XR1:
+				usbpd_dbg(&pd->dev,
+					 "DP_USBPD_EVT_CONFIGURE_XR1\n");
+				tx_vdos[0] = XR1_DEFAULT_VDO;
+				usbpd_dbg(&pd->dev,
+						 "DP_USBPD_EVT_STATUS_XR1\n");
+				SXR_SEND_SVDM(pd, cmd, 0x1, tx_vdos, 0x0);
+				break;
+			default:
+				usbpd_dbg(&pd->dev, "default mode:%d\n", cmd);
+			}
+		} else
+			handler->svdm_received(handler, cmd, cmd_type, vdos,
+								 num_vdos);
 		return;
 	}
 
@@ -1716,9 +1767,21 @@
 
 			usbpd_send_svdm(pd, USBPD_SID, cmd,
 					SVDM_CMD_TYPE_RESP_ACK, 0, tx_vdos, 3);
-		} else if (cmd != USBPD_SVDM_ATTENTION) {
-			usbpd_send_svdm(pd, svid, cmd, SVDM_CMD_TYPE_RESP_NAK,
+		} else if (cmd != USBPD_SVDM_ATTENTION)  {
+			if (pd->is_sxr_dp_sink) {
+				u32 tx_vdos_pd[3] = {
+					ID_HDR_VID,
+					0xFF01,
+					0x0,
+					};
+				usbpd_send_svdm(pd, USBPD_SID, cmd,
+					SVDM_CMD_TYPE_RESP_ACK, 0,
+					 tx_vdos_pd, 3);
+			} else {
+				usbpd_send_svdm(pd, svid, cmd,
+					SVDM_CMD_TYPE_RESP_NAK,
 					SVDM_HDR_OBJ_POS(vdm_hdr), NULL, 0);
+			}
 		}
 		break;
 
@@ -4117,6 +4180,15 @@
 		goto put_psy;
 	}
 
+	/*
+	 * Need to set is_sxr_dp_sink to TRUE only when device tree node is
+	 * present, and sim_vid_display string is present in
+	 * boot_command_line string.
+	 */
+	if (sxr_dp_mode)
+		pd->is_sxr_dp_sink = device_property_present(parent,
+						"qcom,sxr1130-sxr-dp-sink");
+
 	pd->vconn_is_external = device_property_present(parent,
 					"qcom,vconn-uses-external-source");
 
@@ -4236,6 +4308,15 @@
 
 static int __init usbpd_init(void)
 {
+	char *cmdline;
+
+	cmdline = strnstr(boot_command_line,
+			"msm_drm.dsi_display0=dsi_sim_vid_display",
+				strlen(boot_command_line));
+	sxr_dp_mode = false;
+	if (cmdline)
+		sxr_dp_mode = true;
+
 	usbpd_ipc_log = ipc_log_context_create(NUM_LOG_PAGES, "usb_pd", 0);
 	return class_register(&usbpd_class);
 }
diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c
index 19158800..7755524 100644
--- a/drivers/usb/serial/io_edgeport.c
+++ b/drivers/usb/serial/io_edgeport.c
@@ -634,7 +634,7 @@
 		/* grab the txcredits for the ports if available */
 		position = 2;
 		portNumber = 0;
-		while ((position < length) &&
+		while ((position < length - 1) &&
 				(portNumber < edge_serial->serial->num_ports)) {
 			txCredits = data[position] | (data[position+1] << 8);
 			if (txCredits) {
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 5ea4cd1..737b665 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -1172,6 +1172,8 @@
 	  .driver_info = NCTRL(0) },
 	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x110a, 0xff),	/* Telit ME910G1 */
 	  .driver_info = NCTRL(0) | RSVD(3) },
+	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x110b, 0xff),	/* Telit ME910G1 (ECM) */
+	  .driver_info = NCTRL(0) },
 	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE910),
 	  .driver_info = NCTRL(0) | RSVD(1) | RSVD(2) },
 	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE910_USBCFG4),
@@ -1981,8 +1983,14 @@
 	{ USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e01, 0xff, 0xff, 0xff) },	/* D-Link DWM-152/C1 */
 	{ USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e02, 0xff, 0xff, 0xff) },	/* D-Link DWM-156/C1 */
 	{ USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x7e11, 0xff, 0xff, 0xff) },	/* D-Link DWM-156/A3 */
+	{ USB_DEVICE_INTERFACE_CLASS(0x1435, 0xd191, 0xff),			/* Wistron Neweb D19Q1 */
+	  .driver_info = RSVD(1) | RSVD(4) },
+	{ USB_DEVICE_INTERFACE_CLASS(0x1690, 0x7588, 0xff),			/* ASKEY WWHC050 */
+	  .driver_info = RSVD(1) | RSVD(4) },
 	{ USB_DEVICE_INTERFACE_CLASS(0x2020, 0x2031, 0xff),			/* Olicard 600 */
 	  .driver_info = RSVD(4) },
+	{ USB_DEVICE_INTERFACE_CLASS(0x2020, 0x2033, 0xff),			/* BroadMobi BM806U */
+	  .driver_info = RSVD(4) },
 	{ USB_DEVICE_INTERFACE_CLASS(0x2020, 0x2060, 0xff),			/* BroadMobi BM818 */
 	  .driver_info = RSVD(4) },
 	{ USB_DEVICE_INTERFACE_CLASS(0x2020, 0x4000, 0xff) },			/* OLICARD300 - MT6225 */
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 8fd5e19..4fcded2 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -88,6 +88,7 @@
 	{ USB_DEVICE(SUPERIAL_VENDOR_ID, SUPERIAL_PRODUCT_ID) },
 	{ USB_DEVICE(HP_VENDOR_ID, HP_LD220_PRODUCT_ID) },
 	{ USB_DEVICE(HP_VENDOR_ID, HP_LD220TA_PRODUCT_ID) },
+	{ USB_DEVICE(HP_VENDOR_ID, HP_LD381_PRODUCT_ID) },
 	{ USB_DEVICE(HP_VENDOR_ID, HP_LD960_PRODUCT_ID) },
 	{ USB_DEVICE(HP_VENDOR_ID, HP_LD960TA_PRODUCT_ID) },
 	{ USB_DEVICE(HP_VENDOR_ID, HP_LCM220_PRODUCT_ID) },
diff --git a/drivers/usb/serial/pl2303.h b/drivers/usb/serial/pl2303.h
index 496cbcc..54d2fb9 100644
--- a/drivers/usb/serial/pl2303.h
+++ b/drivers/usb/serial/pl2303.h
@@ -128,6 +128,7 @@
 #define HP_LM920_PRODUCT_ID	0x026b
 #define HP_TD620_PRODUCT_ID	0x0956
 #define HP_LD960_PRODUCT_ID	0x0b39
+#define HP_LD381_PRODUCT_ID	0x0f7f
 #define HP_LCM220_PRODUCT_ID	0x3139
 #define HP_LCM960_PRODUCT_ID	0x3239
 #define HP_LD220_PRODUCT_ID	0x3524
diff --git a/fs/inode.c b/fs/inode.c
index bbd4531..0e148a6 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -135,6 +135,7 @@
 	inode->i_sb = sb;
 	inode->i_blkbits = sb->s_blocksize_bits;
 	inode->i_flags = 0;
+	atomic64_set(&inode->i_sequence, 0);
 	atomic_set(&inode->i_count, 1);
 	inode->i_op = &empty_iops;
 	inode->i_fop = &no_open_fops;
diff --git a/fs/libfs.c b/fs/libfs.c
index 9dc0e1e..278457f 100644
--- a/fs/libfs.c
+++ b/fs/libfs.c
@@ -799,7 +799,7 @@
 {
 	struct simple_attr *attr;
 
-	attr = kmalloc(sizeof(*attr), GFP_KERNEL);
+	attr = kzalloc(sizeof(*attr), GFP_KERNEL);
 	if (!attr)
 		return -ENOMEM;
 
@@ -839,9 +839,11 @@
 	if (ret)
 		return ret;
 
-	if (*ppos) {		/* continued read */
+	if (*ppos && attr->get_buf[0]) {
+		/* continued read */
 		size = strlen(attr->get_buf);
-	} else {		/* first read */
+	} else {
+		/* first read */
 		u64 val;
 		ret = attr->get(attr->data, &val);
 		if (ret)
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 42aaba1..af73d93 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -699,6 +699,7 @@
 		struct rcu_head		i_rcu;
 	};
 	u64			i_version;
+	atomic64_t		i_sequence; /* see futex */
 	atomic_t		i_count;
 	atomic_t		i_dio_count;
 	atomic_t		i_writecount;
diff --git a/include/linux/futex.h b/include/linux/futex.h
index 6435f46..c015fa9 100644
--- a/include/linux/futex.h
+++ b/include/linux/futex.h
@@ -34,23 +34,26 @@
 
 union futex_key {
 	struct {
+		u64 i_seq;
 		unsigned long pgoff;
-		struct inode *inode;
-		int offset;
+		unsigned int offset;
 	} shared;
 	struct {
+		union {
+			struct mm_struct *mm;
+			u64 __tmp;
+		};
 		unsigned long address;
-		struct mm_struct *mm;
-		int offset;
+		unsigned int offset;
 	} private;
 	struct {
+		u64 ptr;
 		unsigned long word;
-		void *ptr;
-		int offset;
+		unsigned int offset;
 	} both;
 };
 
-#define FUTEX_KEY_INIT (union futex_key) { .both = { .ptr = NULL } }
+#define FUTEX_KEY_INIT (union futex_key) { .both = { .ptr = 0ULL } }
 
 #ifdef CONFIG_FUTEX
 extern void exit_robust_list(struct task_struct *curr);
diff --git a/include/linux/kref.h b/include/linux/kref.h
index e15828f..e2df6d3 100644
--- a/include/linux/kref.h
+++ b/include/linux/kref.h
@@ -33,6 +33,11 @@
 	atomic_set(&kref->refcount, 1);
 }
 
+static inline int kref_read(const struct kref *kref)
+{
+	return atomic_read(&kref->refcount);
+}
+
 /**
  * kref_get - increment refcount for object.
  * @kref: object.
diff --git a/include/linux/selection.h b/include/linux/selection.h
index 8e4624e..f1070e4 100644
--- a/include/linux/selection.h
+++ b/include/linux/selection.h
@@ -12,8 +12,8 @@
 
 struct tty_struct;
 
-extern struct vc_data *sel_cons;
 struct tty_struct;
+struct vc_data;
 
 extern void clear_selection(void);
 extern int set_selection(const struct tiocl_selection __user *sel, struct tty_struct *tty);
@@ -22,6 +22,8 @@
 extern int mouse_reporting(void);
 extern void mouse_report(struct tty_struct * tty, int butt, int mrx, int mry);
 
+bool vc_is_sel(struct vc_data *vc);
+
 extern int console_blanked;
 
 extern const unsigned char color_table[];
diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h
index f113e0e..4f92e0a 100644
--- a/include/linux/vmalloc.h
+++ b/include/linux/vmalloc.h
@@ -96,8 +96,9 @@
 
 extern int remap_vmalloc_range(struct vm_area_struct *vma, void *addr,
 							unsigned long pgoff);
-void vmalloc_sync_all(void);
- 
+void vmalloc_sync_mappings(void);
+void vmalloc_sync_unmappings(void);
+
 /*
  *	Lowlevel-APIs (not for driver use!)
  */
diff --git a/include/linux/vt_kern.h b/include/linux/vt_kern.h
index 6abd24f..362db91 100644
--- a/include/linux/vt_kern.h
+++ b/include/linux/vt_kern.h
@@ -141,7 +141,7 @@
 	return false;
 }
 
-extern char vt_dont_switch;
+extern bool vt_dont_switch;
 extern int default_utf8;
 extern int global_cursor_default;
 
diff --git a/include/net/ndisc.h b/include/net/ndisc.h
index 9cefd94..96c475b 100644
--- a/include/net/ndisc.h
+++ b/include/net/ndisc.h
@@ -37,6 +37,7 @@
 	ND_OPT_DNSSL = 31,		/* RFC6106 */
 	ND_OPT_6CO = 34,		/* RFC6775 */
 	ND_OPT_CAPTIVE_PORTAL = 37,	/* RFC7710 */
+	ND_OPT_PREF64 = 38,		/* RFC-ietf-6man-ra-pref64-09 */
 	__ND_OPT_MAX
 };
 
diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c
index 42af9fa..c92cf06 100644
--- a/kernel/bpf/syscall.c
+++ b/kernel/bpf/syscall.c
@@ -983,7 +983,7 @@
 
 SYSCALL_DEFINE3(bpf, int, cmd, union bpf_attr __user *, uattr, unsigned int, size)
 {
-	union bpf_attr attr = {};
+	union bpf_attr attr;
 	int err;
 
 	if (sysctl_unprivileged_bpf_disabled && !capable(CAP_SYS_ADMIN))
@@ -1019,6 +1019,7 @@
 	}
 
 	/* copy attributes from user space, may be less than sizeof(bpf_attr) */
+	memset(&attr, 0, sizeof(attr));
 	if (copy_from_user(&attr, uattr, size) != 0)
 		return -EFAULT;
 
diff --git a/kernel/futex.c b/kernel/futex.c
index 2e766ff..7123d9c 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -390,9 +390,9 @@
  */
 static struct futex_hash_bucket *hash_futex(union futex_key *key)
 {
-	u32 hash = jhash2((u32*)&key->both.word,
-			  (sizeof(key->both.word)+sizeof(key->both.ptr))/4,
+	u32 hash = jhash2((u32 *)key, offsetof(typeof(*key), both.offset) / 4,
 			  key->both.offset);
+
 	return &futex_queues[hash & (futex_hashsize - 1)];
 }
 
@@ -434,7 +434,7 @@
 
 	switch (key->both.offset & (FUT_OFF_INODE|FUT_OFF_MMSHARED)) {
 	case FUT_OFF_INODE:
-		ihold(key->shared.inode); /* implies smp_mb(); (B) */
+		smp_mb();		/* explicit smp_mb(); (B) */
 		break;
 	case FUT_OFF_MMSHARED:
 		futex_get_mm(key); /* implies smp_mb(); (B) */
@@ -468,7 +468,6 @@
 
 	switch (key->both.offset & (FUT_OFF_INODE|FUT_OFF_MMSHARED)) {
 	case FUT_OFF_INODE:
-		iput(key->shared.inode);
 		break;
 	case FUT_OFF_MMSHARED:
 		mmdrop(key->private.mm);
@@ -476,6 +475,46 @@
 	}
 }
 
+/*
+ * Generate a machine wide unique identifier for this inode.
+ *
+ * This relies on u64 not wrapping in the life-time of the machine; which with
+ * 1ns resolution means almost 585 years.
+ *
+ * This further relies on the fact that a well formed program will not unmap
+ * the file while it has a (shared) futex waiting on it. This mapping will have
+ * a file reference which pins the mount and inode.
+ *
+ * If for some reason an inode gets evicted and read back in again, it will get
+ * a new sequence number and will _NOT_ match, even though it is the exact same
+ * file.
+ *
+ * It is important that match_futex() will never have a false-positive, esp.
+ * for PI futexes that can mess up the state. The above argues that false-negatives
+ * are only possible for malformed programs.
+ */
+static u64 get_inode_sequence_number(struct inode *inode)
+{
+	static atomic64_t i_seq;
+	u64 old;
+
+	/* Does the inode already have a sequence number? */
+	old = atomic64_read(&inode->i_sequence);
+	if (likely(old))
+		return old;
+
+	for (;;) {
+		u64 new = atomic64_add_return(1, &i_seq);
+		if (WARN_ON_ONCE(!new))
+			continue;
+
+		old = atomic64_cmpxchg_relaxed(&inode->i_sequence, 0, new);
+		if (old)
+			return old;
+		return new;
+	}
+}
+
 /**
  * get_futex_key() - Get parameters which are the keys for a futex
  * @uaddr:	virtual address of the futex
@@ -488,9 +527,15 @@
  *
  * The key words are stored in *key on success.
  *
- * For shared mappings, it's (page->index, file_inode(vma->vm_file),
- * offset_within_page).  For private mappings, it's (uaddr, current->mm).
- * We can usually work out the index without swapping in the page.
+ * For shared mappings (when @fshared), the key is:
+ *   ( inode->i_sequence, page->index, offset_within_page )
+ * [ also see get_inode_sequence_number() ]
+ *
+ * For private mappings (or when !@fshared), the key is:
+ *   ( current->mm, address, 0 )
+ *
+ * This allows (cross process, where applicable) identification of the futex
+ * without keeping the page pinned for the duration of the FUTEX_WAIT.
  *
  * lock_page() might sleep, the caller should not hold a spinlock.
  */
@@ -630,8 +675,6 @@
 		key->private.mm = mm;
 		key->private.address = address;
 
-		get_futex_key_refs(key); /* implies smp_mb(); (B) */
-
 	} else {
 		struct inode *inode;
 
@@ -663,40 +706,14 @@
 			goto again;
 		}
 
-		/*
-		 * Take a reference unless it is about to be freed. Previously
-		 * this reference was taken by ihold under the page lock
-		 * pinning the inode in place so i_lock was unnecessary. The
-		 * only way for this check to fail is if the inode was
-		 * truncated in parallel which is almost certainly an
-		 * application bug. In such a case, just retry.
-		 *
-		 * We are not calling into get_futex_key_refs() in file-backed
-		 * cases, therefore a successful atomic_inc return below will
-		 * guarantee that get_futex_key() will still imply smp_mb(); (B).
-		 */
-		if (!atomic_inc_not_zero(&inode->i_count)) {
-			rcu_read_unlock();
-			put_page(page);
-
-			goto again;
-		}
-
-		/* Should be impossible but lets be paranoid for now */
-		if (WARN_ON_ONCE(inode->i_mapping != mapping)) {
-			err = -EFAULT;
-			rcu_read_unlock();
-			iput(inode);
-
-			goto out;
-		}
-
 		key->both.offset |= FUT_OFF_INODE; /* inode-based key */
-		key->shared.inode = inode;
+		key->shared.i_seq = get_inode_sequence_number(inode);
 		key->shared.pgoff = basepage_index(tail);
 		rcu_read_unlock();
 	}
 
+	get_futex_key_refs(key); /* implies smp_mb(); (B) */
+
 out:
 	put_page(page);
 	return err;
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index be7f489..b2fc2a5 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -233,7 +233,11 @@
 
 	if (desc->affinity_notify) {
 		kref_get(&desc->affinity_notify->kref);
-		schedule_work(&desc->affinity_notify->work);
+		if (!schedule_work(&desc->affinity_notify->work)) {
+			/* Work was already scheduled, drop our extra ref */
+			kref_put(&desc->affinity_notify->kref,
+				 desc->affinity_notify->release);
+		}
 	}
 	irqd_set(data, IRQD_AFFINITY_SET);
 
@@ -333,7 +337,10 @@
 	raw_spin_unlock_irqrestore(&desc->lock, flags);
 
 	if (old_notify) {
-		cancel_work_sync(&old_notify->work);
+		if (cancel_work_sync(&old_notify->work)) {
+			/* Pending work had a ref, put that one too */
+			kref_put(&old_notify->kref, old_notify->release);
+		}
 		kref_put(&old_notify->kref, old_notify->release);
 	}
 
diff --git a/kernel/notifier.c b/kernel/notifier.c
index fd2c9ac..0f70f1b 100644
--- a/kernel/notifier.c
+++ b/kernel/notifier.c
@@ -552,7 +552,7 @@
 
 int register_die_notifier(struct notifier_block *nb)
 {
-	vmalloc_sync_all();
+	vmalloc_sync_mappings();
 	return atomic_notifier_chain_register(&die_chain, nb);
 }
 EXPORT_SYMBOL_GPL(register_die_notifier);
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 6fb0a4d..f8088c1 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -3500,7 +3500,7 @@
 	struct mem_cgroup_thresholds *thresholds;
 	struct mem_cgroup_threshold_ary *new;
 	unsigned long usage;
-	int i, j, size;
+	int i, j, size, entries;
 
 	mutex_lock(&memcg->thresholds_lock);
 
@@ -3520,14 +3520,20 @@
 	__mem_cgroup_threshold(memcg, type == _MEMSWAP);
 
 	/* Calculate new number of threshold */
-	size = 0;
+	size = entries = 0;
 	for (i = 0; i < thresholds->primary->size; i++) {
 		if (thresholds->primary->entries[i].eventfd != eventfd)
 			size++;
+		else
+			entries++;
 	}
 
 	new = thresholds->spare;
 
+	/* If no items related to eventfd have been cleared, nothing to do */
+	if (!entries)
+		goto unlock;
+
 	/* Set thresholds array to NULL if we don't have thresholds */
 	if (!size) {
 		kfree(new);
diff --git a/mm/nommu.c b/mm/nommu.c
index d033ee8..eaec7a6 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -445,10 +445,14 @@
 EXPORT_SYMBOL_GPL(vm_unmap_aliases);
 
 /*
- * Implement a stub for vmalloc_sync_all() if the architecture chose not to
- * have one.
+ * Implement a stub for vmalloc_sync_[un]mapping() if the architecture
+ * chose not to have one.
  */
-void __weak vmalloc_sync_all(void)
+void __weak vmalloc_sync_mappings(void)
+{
+}
+
+void __weak vmalloc_sync_unmappings(void)
 {
 }
 
diff --git a/mm/slub.c b/mm/slub.c
index 8ea555d..cae85b2 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -1922,8 +1922,6 @@
 
 	if (node == NUMA_NO_NODE)
 		searchnode = numa_mem_id();
-	else if (!node_present_pages(node))
-		searchnode = node_to_mem_node(node);
 
 	object = get_partial_node(s, get_node(s, searchnode), c, flags);
 	if (object || node != NUMA_NO_NODE)
@@ -2519,17 +2517,27 @@
 	struct page *page;
 
 	page = c->page;
-	if (!page)
+	if (!page) {
+		/*
+		 * if the node is not online or has no normal memory, just
+		 * ignore the node constraint
+		 */
+		if (unlikely(node != NUMA_NO_NODE &&
+			     !node_state(node, N_NORMAL_MEMORY)))
+			node = NUMA_NO_NODE;
 		goto new_slab;
+	}
 redo:
 
 	if (unlikely(!node_match(page, node))) {
-		int searchnode = node;
-
-		if (node != NUMA_NO_NODE && !node_present_pages(node))
-			searchnode = node_to_mem_node(node);
-
-		if (unlikely(!node_match(page, searchnode))) {
+		/*
+		 * same as above but node_match() being false already
+		 * implies node != NUMA_NO_NODE
+		 */
+		if (!node_state(node, N_NORMAL_MEMORY)) {
+			node = NUMA_NO_NODE;
+			goto redo;
+		} else {
 			stat(s, ALLOC_NODE_MISMATCH);
 			deactivate_slab(s, page, c->freelist);
 			c->page = NULL;
@@ -2948,11 +2956,13 @@
 	barrier();
 
 	if (likely(page == c->page)) {
-		set_freepointer(s, tail_obj, c->freelist);
+		void **freelist = READ_ONCE(c->freelist);
+
+		set_freepointer(s, tail_obj, freelist);
 
 		if (unlikely(!this_cpu_cmpxchg_double(
 				s->cpu_slab->freelist, s->cpu_slab->tid,
-				c->freelist, tid,
+				freelist, tid,
 				head, next_tid(tid)))) {
 
 			note_cmpxchg_failure("slab_free", s, tid);
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 75b8f85..5e6f7727 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -1816,7 +1816,7 @@
 	 * First make sure the mappings are removed from all page-tables
 	 * before they are freed.
 	 */
-	vmalloc_sync_all();
+	vmalloc_sync_unmappings();
 
 	/*
 	 * In this function, newly allocated vm_struct has VM_UNINITIALIZED
@@ -2352,16 +2352,19 @@
 EXPORT_SYMBOL(remap_vmalloc_range);
 
 /*
- * Implement a stub for vmalloc_sync_all() if the architecture chose not to
- * have one.
+ * Implement stubs for vmalloc_sync_[un]mappings () if the architecture chose
+ * not to have one.
  *
  * The purpose of this function is to make sure the vmalloc area
  * mappings are identical in all page-tables in the system.
  */
-void __weak vmalloc_sync_all(void)
+void __weak vmalloc_sync_mappings(void)
 {
 }
 
+void __weak vmalloc_sync_unmappings(void)
+{
+}
 
 static int f(pte_t *pte, pgtable_t table, unsigned long addr, void *data)
 {
diff --git a/net/dsa/tag_brcm.c b/net/dsa/tag_brcm.c
index 21bffde..76d55a8 100644
--- a/net/dsa/tag_brcm.c
+++ b/net/dsa/tag_brcm.c
@@ -84,6 +84,8 @@
 		brcm_tag[2] = BRCM_IG_DSTMAP2_MASK;
 	brcm_tag[3] = (1 << p->port) & BRCM_IG_DSTMAP1_MASK;
 
+	skb->offload_fwd_mark = 1;
+
 	return skb;
 
 out_free:
diff --git a/net/hsr/hsr_framereg.c b/net/hsr/hsr_framereg.c
index 6705420..d720658 100644
--- a/net/hsr/hsr_framereg.c
+++ b/net/hsr/hsr_framereg.c
@@ -468,13 +468,9 @@
 	struct hsr_port *port;
 	unsigned long tdiff;
 
-
-	rcu_read_lock();
 	node = find_node_by_AddrA(&hsr->node_db, addr);
-	if (!node) {
-		rcu_read_unlock();
-		return -ENOENT;	/* No such entry */
-	}
+	if (!node)
+		return -ENOENT;
 
 	ether_addr_copy(addr_b, node->MacAddressB);
 
@@ -509,7 +505,5 @@
 		*addr_b_ifindex = -1;
 	}
 
-	rcu_read_unlock();
-
 	return 0;
 }
diff --git a/net/hsr/hsr_netlink.c b/net/hsr/hsr_netlink.c
index d4d1617..4f869d0 100644
--- a/net/hsr/hsr_netlink.c
+++ b/net/hsr/hsr_netlink.c
@@ -137,6 +137,7 @@
 	.name = "HSR",
 	.version = 1,
 	.maxattr = HSR_A_MAX,
+	.netnsok = true,
 };
 
 static const struct genl_multicast_group hsr_mcgrps[] = {
@@ -264,17 +265,16 @@
 	if (!na)
 		goto invalid;
 
-	hsr_dev = __dev_get_by_index(genl_info_net(info),
-					nla_get_u32(info->attrs[HSR_A_IFINDEX]));
+	rcu_read_lock();
+	hsr_dev = dev_get_by_index_rcu(genl_info_net(info),
+				       nla_get_u32(info->attrs[HSR_A_IFINDEX]));
 	if (!hsr_dev)
-		goto invalid;
+		goto rcu_unlock;
 	if (!is_hsr_master(hsr_dev))
-		goto invalid;
-
+		goto rcu_unlock;
 
 	/* Send reply */
-
-	skb_out = genlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
+	skb_out = genlmsg_new(NLMSG_GOODSIZE, GFP_ATOMIC);
 	if (!skb_out) {
 		res = -ENOMEM;
 		goto fail;
@@ -326,12 +326,10 @@
 	res = nla_put_u16(skb_out, HSR_A_IF1_SEQ, hsr_node_if1_seq);
 	if (res < 0)
 		goto nla_put_failure;
-	rcu_read_lock();
 	port = hsr_port_get_hsr(hsr, HSR_PT_SLAVE_A);
 	if (port)
 		res = nla_put_u32(skb_out, HSR_A_IF1_IFINDEX,
 				  port->dev->ifindex);
-	rcu_read_unlock();
 	if (res < 0)
 		goto nla_put_failure;
 
@@ -341,20 +339,22 @@
 	res = nla_put_u16(skb_out, HSR_A_IF2_SEQ, hsr_node_if2_seq);
 	if (res < 0)
 		goto nla_put_failure;
-	rcu_read_lock();
 	port = hsr_port_get_hsr(hsr, HSR_PT_SLAVE_B);
 	if (port)
 		res = nla_put_u32(skb_out, HSR_A_IF2_IFINDEX,
 				  port->dev->ifindex);
-	rcu_read_unlock();
 	if (res < 0)
 		goto nla_put_failure;
 
+	rcu_read_unlock();
+
 	genlmsg_end(skb_out, msg_head);
 	genlmsg_unicast(genl_info_net(info), skb_out, info->snd_portid);
 
 	return 0;
 
+rcu_unlock:
+	rcu_read_unlock();
 invalid:
 	netlink_ack(skb_in, nlmsg_hdr(skb_in), -EINVAL);
 	return 0;
@@ -364,6 +364,7 @@
 	/* Fall through */
 
 fail:
+	rcu_read_unlock();
 	return res;
 }
 
@@ -371,16 +372,14 @@
  */
 static int hsr_get_node_list(struct sk_buff *skb_in, struct genl_info *info)
 {
-	/* For receiving */
-	struct nlattr *na;
-	struct net_device *hsr_dev;
-
-	/* For sending */
-	struct sk_buff *skb_out;
-	void *msg_head;
-	struct hsr_priv *hsr;
-	void *pos;
 	unsigned char addr[ETH_ALEN];
+	struct net_device *hsr_dev;
+	struct sk_buff *skb_out;
+	struct hsr_priv *hsr;
+	bool restart = false;
+	struct nlattr *na;
+	void *pos = NULL;
+	void *msg_head;
 	int res;
 
 	if (!info)
@@ -390,17 +389,17 @@
 	if (!na)
 		goto invalid;
 
-	hsr_dev = __dev_get_by_index(genl_info_net(info),
-				     nla_get_u32(info->attrs[HSR_A_IFINDEX]));
+	rcu_read_lock();
+	hsr_dev = dev_get_by_index_rcu(genl_info_net(info),
+				       nla_get_u32(info->attrs[HSR_A_IFINDEX]));
 	if (!hsr_dev)
-		goto invalid;
+		goto rcu_unlock;
 	if (!is_hsr_master(hsr_dev))
-		goto invalid;
+		goto rcu_unlock;
 
-
+restart:
 	/* Send reply */
-
-	skb_out = genlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
+	skb_out = genlmsg_new(GENLMSG_DEFAULT_SIZE, GFP_ATOMIC);
 	if (!skb_out) {
 		res = -ENOMEM;
 		goto fail;
@@ -414,18 +413,26 @@
 		goto nla_put_failure;
 	}
 
-	res = nla_put_u32(skb_out, HSR_A_IFINDEX, hsr_dev->ifindex);
-	if (res < 0)
-		goto nla_put_failure;
+	if (!restart) {
+		res = nla_put_u32(skb_out, HSR_A_IFINDEX, hsr_dev->ifindex);
+		if (res < 0)
+			goto nla_put_failure;
+	}
 
 	hsr = netdev_priv(hsr_dev);
 
-	rcu_read_lock();
-	pos = hsr_get_next_node(hsr, NULL, addr);
+	if (!pos)
+		pos = hsr_get_next_node(hsr, NULL, addr);
 	while (pos) {
 		res = nla_put(skb_out, HSR_A_NODE_ADDR, ETH_ALEN, addr);
 		if (res < 0) {
-			rcu_read_unlock();
+			if (res == -EMSGSIZE) {
+				genlmsg_end(skb_out, msg_head);
+				genlmsg_unicast(genl_info_net(info), skb_out,
+						info->snd_portid);
+				restart = true;
+				goto restart;
+			}
 			goto nla_put_failure;
 		}
 		pos = hsr_get_next_node(hsr, pos, addr);
@@ -437,15 +444,18 @@
 
 	return 0;
 
+rcu_unlock:
+	rcu_read_unlock();
 invalid:
 	netlink_ack(skb_in, nlmsg_hdr(skb_in), -EINVAL);
 	return 0;
 
 nla_put_failure:
-	kfree_skb(skb_out);
+	nlmsg_free(skb_out);
 	/* Fall through */
 
 fail:
+	rcu_read_unlock();
 	return res;
 }
 
diff --git a/net/hsr/hsr_slave.c b/net/hsr/hsr_slave.c
index 4ff6e02..3d94f54 100644
--- a/net/hsr/hsr_slave.c
+++ b/net/hsr/hsr_slave.c
@@ -151,16 +151,16 @@
 	if (port == NULL)
 		return -ENOMEM;
 
+	port->hsr = hsr;
+	port->dev = dev;
+	port->type = type;
+
 	if (type != HSR_PT_MASTER) {
 		res = hsr_portdev_setup(dev, port);
 		if (res)
 			goto fail_dev_setup;
 	}
 
-	port->hsr = hsr;
-	port->dev = dev;
-	port->type = type;
-
 	list_add_tail_rcu(&port->port_list, &hsr->ports);
 	synchronize_rcu();
 
diff --git a/net/ipv4/Kconfig b/net/ipv4/Kconfig
index b54b3ca..4d265d4 100644
--- a/net/ipv4/Kconfig
+++ b/net/ipv4/Kconfig
@@ -298,6 +298,7 @@
 
 config NET_IPVTI
 	tristate "Virtual (secure) IP: tunneling"
+	depends on IPV6 || IPV6=n
 	select INET_TUNNEL
 	select NET_IP_TUNNEL
 	depends on INET_XFRM_MODE_TUNNEL
diff --git a/net/ipv4/ip_vti.c b/net/ipv4/ip_vti.c
index ec41715..58e0dab 100644
--- a/net/ipv4/ip_vti.c
+++ b/net/ipv4/ip_vti.c
@@ -208,17 +208,39 @@
 	int mtu;
 
 	if (!dst) {
-		struct rtable *rt;
+		switch (skb->protocol) {
+		case htons(ETH_P_IP): {
+			struct rtable *rt;
 
-		fl->u.ip4.flowi4_oif = dev->ifindex;
-		fl->u.ip4.flowi4_flags |= FLOWI_FLAG_ANYSRC;
-		rt = __ip_route_output_key(dev_net(dev), &fl->u.ip4);
-		if (IS_ERR(rt)) {
+			fl->u.ip4.flowi4_oif = dev->ifindex;
+			fl->u.ip4.flowi4_flags |= FLOWI_FLAG_ANYSRC;
+			rt = __ip_route_output_key(dev_net(dev), &fl->u.ip4);
+			if (IS_ERR(rt)) {
+				dev->stats.tx_carrier_errors++;
+				goto tx_error_icmp;
+			}
+			dst = &rt->dst;
+			skb_dst_set(skb, dst);
+			break;
+		}
+#if IS_ENABLED(CONFIG_IPV6)
+		case htons(ETH_P_IPV6):
+			fl->u.ip6.flowi6_oif = dev->ifindex;
+			fl->u.ip6.flowi6_flags |= FLOWI_FLAG_ANYSRC;
+			dst = ip6_route_output(dev_net(dev), NULL, &fl->u.ip6);
+			if (dst->error) {
+				dst_release(dst);
+				dst = NULL;
+				dev->stats.tx_carrier_errors++;
+				goto tx_error_icmp;
+			}
+			skb_dst_set(skb, dst);
+			break;
+#endif
+		default:
 			dev->stats.tx_carrier_errors++;
 			goto tx_error_icmp;
 		}
-		dst = &rt->dst;
-		skb_dst_set(skb, dst);
 	}
 
 	dst_hold(dst);
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index cbfa4fd..3b99f09 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -995,21 +995,22 @@
 static void __ip_rt_update_pmtu(struct rtable *rt, struct flowi4 *fl4, u32 mtu)
 {
 	struct dst_entry *dst = &rt->dst;
+	u32 old_mtu = ipv4_mtu(dst);
 	struct fib_result res;
 	bool lock = false;
 
 	if (ip_mtu_locked(dst))
 		return;
 
-	if (ipv4_mtu(dst) < mtu)
+	if (old_mtu < mtu)
 		return;
 
 	if (mtu < ip_rt_min_pmtu) {
 		lock = true;
-		mtu = ip_rt_min_pmtu;
+		mtu = min(old_mtu, ip_rt_min_pmtu);
 	}
 
-	if (rt->rt_pmtu == mtu &&
+	if (rt->rt_pmtu == mtu && !lock &&
 	    time_before(jiffies, dst->expires - ip_rt_mtu_expires / 2))
 		return;
 
diff --git a/net/ipv6/ip6_vti.c b/net/ipv6/ip6_vti.c
index 9fbb735..365f445 100644
--- a/net/ipv6/ip6_vti.c
+++ b/net/ipv6/ip6_vti.c
@@ -315,7 +315,7 @@
 
 		if (!xfrm6_policy_check(NULL, XFRM_POLICY_IN, skb)) {
 			rcu_read_unlock();
-			return 0;
+			goto discard;
 		}
 
 		ipv6h = ipv6_hdr(skb);
@@ -454,15 +454,33 @@
 	int mtu;
 
 	if (!dst) {
-		fl->u.ip6.flowi6_oif = dev->ifindex;
-		fl->u.ip6.flowi6_flags |= FLOWI_FLAG_ANYSRC;
-		dst = ip6_route_output(dev_net(dev), NULL, &fl->u.ip6);
-		if (dst->error) {
-			dst_release(dst);
-			dst = NULL;
+		switch (skb->protocol) {
+		case htons(ETH_P_IP): {
+			struct rtable *rt;
+
+			fl->u.ip4.flowi4_oif = dev->ifindex;
+			fl->u.ip4.flowi4_flags |= FLOWI_FLAG_ANYSRC;
+			rt = __ip_route_output_key(dev_net(dev), &fl->u.ip4);
+			if (IS_ERR(rt))
+				goto tx_err_link_failure;
+			dst = &rt->dst;
+			skb_dst_set(skb, dst);
+			break;
+		}
+		case htons(ETH_P_IPV6):
+			fl->u.ip6.flowi6_oif = dev->ifindex;
+			fl->u.ip6.flowi6_flags |= FLOWI_FLAG_ANYSRC;
+			dst = ip6_route_output(dev_net(dev), NULL, &fl->u.ip6);
+			if (dst->error) {
+				dst_release(dst);
+				dst = NULL;
+				goto tx_err_link_failure;
+			}
+			skb_dst_set(skb, dst);
+			break;
+		default:
 			goto tx_err_link_failure;
 		}
-		skb_dst_set(skb, dst);
 	}
 
 	dst_hold(dst);
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 8ab4668..300fb16 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -197,6 +197,7 @@
 	return opt->nd_opt_type == ND_OPT_RDNSS ||
 		opt->nd_opt_type == ND_OPT_DNSSL ||
 		opt->nd_opt_type == ND_OPT_CAPTIVE_PORTAL ||
+		opt->nd_opt_type == ND_OPT_PREF64 ||
 		ndisc_ops_is_useropt(dev, opt->nd_opt_type);
 }
 
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index 5f4c228..f7eaa10 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -1131,7 +1131,8 @@
 		}
 	}
 
-	if (!(mpath->flags & MESH_PATH_RESOLVING))
+	if (!(mpath->flags & MESH_PATH_RESOLVING) &&
+	    mesh_path_sel_is_hwmp(sdata))
 		mesh_queue_preq(mpath, PREQ_Q_F_START);
 
 	if (skb_queue_len(&mpath->frame_queue) >= MESH_FRAME_QUEUE_LEN)
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index c800bc7..4f7061c 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -3,6 +3,7 @@
  * Copyright 2006-2007	Jiri Benc <jbenc@suse.cz>
  * Copyright 2013-2014  Intel Mobile Communications GmbH
  * Copyright (C) 2015 - 2016 Intel Deutschland GmbH
+ * Copyright (C) 2018-2020 Intel Corporation
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
@@ -945,6 +946,11 @@
 	might_sleep();
 	lockdep_assert_held(&local->sta_mtx);
 
+	while (sta->sta_state == IEEE80211_STA_AUTHORIZED) {
+		ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
+		WARN_ON_ONCE(ret);
+	}
+
 	/* now keys can no longer be reached */
 	ieee80211_free_sta_keys(local, sta);
 
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index f8de166..850264f 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -3412,8 +3412,26 @@
 	tx.skb = skb;
 	tx.sdata = vif_to_sdata(info->control.vif);
 
-	if (txq->sta)
+	if (txq->sta) {
 		tx.sta = container_of(txq->sta, struct sta_info, sta);
+		/*
+		 * Drop unicast frames to unauthorised stations unless they are
+		 * EAPOL frames from the local station.
+		 */
+		if (unlikely(ieee80211_is_data(hdr->frame_control) &&
+			     !ieee80211_vif_is_mesh(&tx.sdata->vif) &&
+			     tx.sdata->vif.type != NL80211_IFTYPE_OCB &&
+			     !is_multicast_ether_addr(hdr->addr1) &&
+			     !test_sta_flag(tx.sta, WLAN_STA_AUTHORIZED) &&
+			     (!(info->control.flags &
+				IEEE80211_TX_CTRL_PORT_CTRL_PROTO) ||
+			      !ether_addr_equal(tx.sdata->vif.addr,
+						hdr->addr2)))) {
+			I802_DEBUG_INC(local->tx_handlers_drop_unauth_port);
+			ieee80211_free_txskb(&local->hw, skb);
+			goto begin;
+		}
+	}
 
 	/*
 	 * The key can be removed while the packet was queued, so need to call
diff --git a/net/netfilter/nft_fwd_netdev.c b/net/netfilter/nft_fwd_netdev.c
index 763ebc3..f93047f9 100644
--- a/net/netfilter/nft_fwd_netdev.c
+++ b/net/netfilter/nft_fwd_netdev.c
@@ -62,6 +62,13 @@
 	return -1;
 }
 
+static int nft_fwd_validate(const struct nft_ctx *ctx,
+			    const struct nft_expr *expr,
+			    const struct nft_data **data)
+{
+	return nft_chain_validate_hooks(ctx->chain, (1 << NF_NETDEV_INGRESS));
+}
+
 static struct nft_expr_type nft_fwd_netdev_type;
 static const struct nft_expr_ops nft_fwd_netdev_ops = {
 	.type		= &nft_fwd_netdev_type,
@@ -69,6 +76,7 @@
 	.eval		= nft_fwd_netdev_eval,
 	.init		= nft_fwd_netdev_init,
 	.dump		= nft_fwd_netdev_dump,
+	.validate	= nft_fwd_validate,
 };
 
 static struct nft_expr_type nft_fwd_netdev_type __read_mostly = {
diff --git a/net/sched/cls_route.c b/net/sched/cls_route.c
index 455fc8f..f203735 100644
--- a/net/sched/cls_route.c
+++ b/net/sched/cls_route.c
@@ -542,8 +542,8 @@
 			fp = &b->ht[h];
 			for (pfp = rtnl_dereference(*fp); pfp;
 			     fp = &pfp->next, pfp = rtnl_dereference(*fp)) {
-				if (pfp == f) {
-					*fp = f->next;
+				if (pfp == fold) {
+					rcu_assign_pointer(*fp, fold->next);
 					break;
 				}
 			}
diff --git a/net/sched/cls_tcindex.c b/net/sched/cls_tcindex.c
index 3e1695b..ab66e2b 100644
--- a/net/sched/cls_tcindex.c
+++ b/net/sched/cls_tcindex.c
@@ -325,6 +325,7 @@
 
 		if (tcindex_alloc_perfect_hash(cp) < 0)
 			goto errout;
+		cp->alloc_hash = cp->hash;
 		for (i = 0; i < min(cp->hash, p->hash); i++)
 			cp->perfect[i].res = p->perfect[i].res;
 		balloc = 1;
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 61e6d03..088ea61 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -345,7 +345,9 @@
 
 static void xfrm_policy_kill(struct xfrm_policy *policy)
 {
+	write_lock_bh(&policy->lock);
 	policy->walk.dead = 1;
+	write_unlock_bh(&policy->lock);
 
 	atomic_inc(&policy->genid);
 
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index d47a4cf..5ea9c1a 100755
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -109,7 +109,8 @@
 		return 0;
 
 	uctx = nla_data(rt);
-	if (uctx->len != (sizeof(struct xfrm_user_sec_ctx) + uctx->ctx_len))
+	if (uctx->len > nla_len(rt) ||
+	    uctx->len != (sizeof(struct xfrm_user_sec_ctx) + uctx->ctx_len))
 		return -EINVAL;
 
 	return 0;
@@ -2247,6 +2248,9 @@
 	err = verify_newpolicy_info(&ua->policy);
 	if (err)
 		goto free_state;
+	err = verify_sec_ctx_len(attrs);
+	if (err)
+		goto free_state;
 
 	/*   build an XP */
 	xp = xfrm_policy_construct(net, &ua->policy, attrs, &err);
diff --git a/scripts/Makefile.extrawarn b/scripts/Makefile.extrawarn
index d08b6fb..1532038 100644
--- a/scripts/Makefile.extrawarn
+++ b/scripts/Makefile.extrawarn
@@ -70,5 +70,6 @@
 KBUILD_CFLAGS += $(call cc-disable-warning, sign-compare)
 KBUILD_CFLAGS += $(call cc-disable-warning, format-zero-length)
 KBUILD_CFLAGS += $(call cc-disable-warning, uninitialized)
+KBUILD_CFLAGS += $(call cc-disable-warning, pointer-to-enum-cast)
 endif
 endif
diff --git a/scripts/dtc/dtc-lexer.l b/scripts/dtc/dtc-lexer.l
index 790fbf6..e4e0f6a 100644
--- a/scripts/dtc/dtc-lexer.l
+++ b/scripts/dtc/dtc-lexer.l
@@ -38,7 +38,6 @@
 #include "srcpos.h"
 #include "dtc-parser.tab.h"
 
-YYLTYPE yylloc;
 extern bool treesource_error;
 
 /* CAUTION: this will stop working if we ever use yyless() or yyunput() */
diff --git a/scripts/dtc/dtc-lexer.lex.c_shipped b/scripts/dtc/dtc-lexer.lex.c_shipped
index ba525c2..750f7a4 100644
--- a/scripts/dtc/dtc-lexer.lex.c_shipped
+++ b/scripts/dtc/dtc-lexer.lex.c_shipped
@@ -637,7 +637,6 @@
 #include "srcpos.h"
 #include "dtc-parser.tab.h"
 
-YYLTYPE yylloc;
 extern bool treesource_error;
 
 /* CAUTION: this will stop working if we ever use yyless() or yyunput() */
diff --git a/sound/core/oss/pcm_plugin.c b/sound/core/oss/pcm_plugin.c
index c6888d7..0e3dd60 100644
--- a/sound/core/oss/pcm_plugin.c
+++ b/sound/core/oss/pcm_plugin.c
@@ -111,7 +111,7 @@
 		while (plugin->next) {
 			if (plugin->dst_frames)
 				frames = plugin->dst_frames(plugin, frames);
-			if (snd_BUG_ON((snd_pcm_sframes_t)frames <= 0))
+			if ((snd_pcm_sframes_t)frames <= 0)
 				return -ENXIO;
 			plugin = plugin->next;
 			err = snd_pcm_plugin_alloc(plugin, frames);
@@ -123,7 +123,7 @@
 		while (plugin->prev) {
 			if (plugin->src_frames)
 				frames = plugin->src_frames(plugin, frames);
-			if (snd_BUG_ON((snd_pcm_sframes_t)frames <= 0))
+			if ((snd_pcm_sframes_t)frames <= 0)
 				return -ENXIO;
 			plugin = plugin->prev;
 			err = snd_pcm_plugin_alloc(plugin, frames);
@@ -209,6 +209,8 @@
 	if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
 		plugin = snd_pcm_plug_last(plug);
 		while (plugin && drv_frames > 0) {
+			if (drv_frames > plugin->buf_frames)
+				drv_frames = plugin->buf_frames;
 			plugin_prev = plugin->prev;
 			if (plugin->src_frames)
 				drv_frames = plugin->src_frames(plugin, drv_frames);
@@ -220,6 +222,8 @@
 			plugin_next = plugin->next;
 			if (plugin->dst_frames)
 				drv_frames = plugin->dst_frames(plugin, drv_frames);
+			if (drv_frames > plugin->buf_frames)
+				drv_frames = plugin->buf_frames;
 			plugin = plugin_next;
 		}
 	} else
@@ -248,11 +252,15 @@
 				if (frames < 0)
 					return frames;
 			}
+			if (frames > plugin->buf_frames)
+				frames = plugin->buf_frames;
 			plugin = plugin_next;
 		}
 	} else if (stream == SNDRV_PCM_STREAM_CAPTURE) {
 		plugin = snd_pcm_plug_last(plug);
 		while (plugin) {
+			if (frames > plugin->buf_frames)
+				frames = plugin->buf_frames;
 			plugin_prev = plugin->prev;
 			if (plugin->src_frames) {
 				frames = plugin->src_frames(plugin, frames);
diff --git a/sound/core/seq/oss/seq_oss_midi.c b/sound/core/seq/oss/seq_oss_midi.c
index 9debd1b..cdfb8f9 100644
--- a/sound/core/seq/oss/seq_oss_midi.c
+++ b/sound/core/seq/oss/seq_oss_midi.c
@@ -615,6 +615,7 @@
 		len = snd_seq_oss_timer_start(dp->timer);
 	if (ev->type == SNDRV_SEQ_EVENT_SYSEX) {
 		snd_seq_oss_readq_sysex(dp->readq, mdev->seq_device, ev);
+		snd_midi_event_reset_decode(mdev->coder);
 	} else {
 		len = snd_midi_event_decode(mdev->coder, msg, sizeof(msg), ev);
 		if (len > 0)
diff --git a/sound/core/seq/seq_virmidi.c b/sound/core/seq/seq_virmidi.c
index 1ebb346..d6fc84c 100644
--- a/sound/core/seq/seq_virmidi.c
+++ b/sound/core/seq/seq_virmidi.c
@@ -95,6 +95,7 @@
 			if ((ev->flags & SNDRV_SEQ_EVENT_LENGTH_MASK) != SNDRV_SEQ_EVENT_LENGTH_VARIABLE)
 				continue;
 			snd_seq_dump_var_event(ev, (snd_seq_dump_func_t)snd_rawmidi_receive, vmidi->substream);
+			snd_midi_event_reset_decode(vmidi->parser);
 		} else {
 			len = snd_midi_event_decode(vmidi->parser, msg, sizeof(msg), ev);
 			if (len > 0)
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index a64612d..000b59d 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -4212,6 +4212,8 @@
 		is_ctia = (val & 0x1c02) == 0x1c02;
 		break;
 	case 0x10ec0225:
+		codec->power_save_node = 1;
+		/* fall through */
 	case 0x10ec0295:
 	case 0x10ec0299:
 		alc_process_coef_fw(codec, coef0225);
diff --git a/sound/usb/line6/driver.c b/sound/usb/line6/driver.c
index 0918924..ea3a9bd 100644
--- a/sound/usb/line6/driver.c
+++ b/sound/usb/line6/driver.c
@@ -306,7 +306,7 @@
 				line6_midibuf_read(mb, line6->buffer_message,
 						LINE6_MIDI_MESSAGE_MAXLEN);
 
-			if (done == 0)
+			if (done <= 0)
 				break;
 
 			line6->message_length = done;
diff --git a/sound/usb/line6/midibuf.c b/sound/usb/line6/midibuf.c
index 36a610b..c931d48 100644
--- a/sound/usb/line6/midibuf.c
+++ b/sound/usb/line6/midibuf.c
@@ -163,7 +163,7 @@
 			int midi_length_prev =
 			    midibuf_message_length(this->command_prev);
 
-			if (midi_length_prev > 0) {
+			if (midi_length_prev > 1) {
 				midi_length = midi_length_prev - 1;
 				repeat = 1;
 			} else
diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index cd86fd7..ebcc086 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -34,7 +34,7 @@
 # Only pass canonical directory names as the output directory:
 #
 ifneq ($(O),)
-  FULL_O := $(shell readlink -f $(O) || echo $(O))
+  FULL_O := $(shell cd $(PWD); readlink -f $(O) || echo $(O))
 endif
 
 #
diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c
index df68925..ab8ebfa 100644
--- a/tools/perf/util/map.c
+++ b/tools/perf/util/map.c
@@ -88,7 +88,7 @@
 		return true;
 	}
 
-	if (!strncmp(filename, "/system/lib/", 11)) {
+	if (!strncmp(filename, "/system/lib/", 12)) {
 		char *ndk, *app;
 		const char *arch;
 		size_t ndk_length;
diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c
index ffaa798..82e4f15 100644
--- a/tools/perf/util/probe-finder.c
+++ b/tools/perf/util/probe-finder.c
@@ -623,14 +623,19 @@
 		return -EINVAL;
 	}
 
-	/* Try to get actual symbol name from symtab */
-	symbol = dwfl_module_addrsym(mod, paddr, &sym, NULL);
+	if (dwarf_entrypc(sp_die, &eaddr) == 0) {
+		/* If the DIE has entrypc, use it. */
+		symbol = dwarf_diename(sp_die);
+	} else {
+		/* Try to get actual symbol name and address from symtab */
+		symbol = dwfl_module_addrsym(mod, paddr, &sym, NULL);
+		eaddr = sym.st_value;
+	}
 	if (!symbol) {
 		pr_warning("Failed to find symbol at 0x%lx\n",
 			   (unsigned long)paddr);
 		return -ENOENT;
 	}
-	eaddr = sym.st_value;
 
 	tp->offset = (unsigned long)(paddr - eaddr);
 	tp->address = (unsigned long)paddr;
diff --git a/tools/power/cpupower/utils/idle_monitor/amd_fam14h_idle.c b/tools/power/cpupower/utils/idle_monitor/amd_fam14h_idle.c
index 2116df9..c097a37 100644
--- a/tools/power/cpupower/utils/idle_monitor/amd_fam14h_idle.c
+++ b/tools/power/cpupower/utils/idle_monitor/amd_fam14h_idle.c
@@ -83,7 +83,7 @@
 static struct pci_dev *amd_fam14h_pci_dev;
 static int nbp1_entered;
 
-struct timespec start_time;
+static struct timespec start_time;
 static unsigned long long timediff;
 
 #ifdef DEBUG
diff --git a/tools/power/cpupower/utils/idle_monitor/cpuidle_sysfs.c b/tools/power/cpupower/utils/idle_monitor/cpuidle_sysfs.c
index 5b3205f..5277df2 100644
--- a/tools/power/cpupower/utils/idle_monitor/cpuidle_sysfs.c
+++ b/tools/power/cpupower/utils/idle_monitor/cpuidle_sysfs.c
@@ -21,7 +21,7 @@
 
 static unsigned long long **previous_count;
 static unsigned long long **current_count;
-struct timespec start_time;
+static struct timespec start_time;
 static unsigned long long timediff;
 
 static int cpuidle_get_count_percent(unsigned int id, double *percent,
diff --git a/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.c b/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.c
index 05f953f..80a21cb 100644
--- a/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.c
+++ b/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.c
@@ -29,6 +29,8 @@
 0
 };
 
+int cpu_count;
+
 static struct cpuidle_monitor *monitors[MONITORS_MAX];
 static unsigned int avail_monitors;
 
diff --git a/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.h b/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.h
index 9e43f33..3558bba 100644
--- a/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.h
+++ b/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.h
@@ -18,7 +18,7 @@
 #define CSTATE_NAME_LEN 5
 #define CSTATE_DESC_LEN 60
 
-int cpu_count;
+extern int cpu_count;
 
 /* Hard to define the right names ...: */
 enum power_range_e {
diff --git a/tools/scripts/Makefile.include b/tools/scripts/Makefile.include
index 7ea4438..882c182 100644
--- a/tools/scripts/Makefile.include
+++ b/tools/scripts/Makefile.include
@@ -1,7 +1,7 @@
 ifneq ($(O),)
 ifeq ($(origin O), command line)
-	dummy := $(if $(shell test -d $(O) || echo $(O)),$(error O=$(O) does not exist),)
-	ABSOLUTE_O := $(shell cd $(O) ; pwd)
+	dummy := $(if $(shell cd $(PWD); test -d $(O) || echo $(O)),$(error O=$(O) does not exist),)
+	ABSOLUTE_O := $(shell cd $(PWD); cd $(O) ; pwd)
 	OUTPUT := $(ABSOLUTE_O)/$(if $(subdir),$(subdir)/)
 	COMMAND_O := O=$(ABSOLUTE_O)
 ifeq ($(objtree),)