Merge branch 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6

* 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6:
  drm: fix for non-coherent DMA PowerPC
  drm: radeon: fix sparse integer as NULL pointer warnings in radeon_mem.c
  drm/i915: fix oops on agp=off
  drm/r300: fix bug in r300 userspace hardware wait emission
diff --git a/arch/powerpc/oprofile/cell/vma_map.c b/arch/powerpc/oprofile/cell/vma_map.c
index 76ec1d1..9a93217 100644
--- a/arch/powerpc/oprofile/cell/vma_map.c
+++ b/arch/powerpc/oprofile/cell/vma_map.c
@@ -92,7 +92,7 @@
  * A pointer to the first vma_map in the generated list
  * of vma_maps is returned.  */
 struct vma_to_fileoffset_map *create_vma_map(const struct spu *aSpu,
-					     unsigned long spu_elf_start)
+					     unsigned long __spu_elf_start)
 {
 	static const unsigned char expected[EI_PAD] = {
 		[EI_MAG0] = ELFMAG0,
@@ -107,9 +107,11 @@
 
 	int grd_val;
 	struct vma_to_fileoffset_map *map = NULL;
+	void __user *spu_elf_start = (void __user *)__spu_elf_start;
 	struct spu_overlay_info ovly;
 	unsigned int overlay_tbl_offset = -1;
-	unsigned long phdr_start, shdr_start;
+	Elf32_Phdr __user *phdr_start;
+	Elf32_Shdr __user *shdr_start;
 	Elf32_Ehdr ehdr;
 	Elf32_Phdr phdr;
 	Elf32_Shdr shdr, shdr_str;
@@ -121,12 +123,12 @@
 	unsigned int ovly_buf_table_sym = 0;
 	unsigned int ovly_table_end_sym = 0;
 	unsigned int ovly_buf_table_end_sym = 0;
-	unsigned long ovly_table;
+	struct spu_overlay_info __user *ovly_table;
 	unsigned int n_ovlys;
 
 	/* Get and validate ELF header.	 */
 
-	if (copy_from_user(&ehdr, (void *) spu_elf_start, sizeof (ehdr)))
+	if (copy_from_user(&ehdr, spu_elf_start, sizeof (ehdr)))
 		goto fail;
 
 	if (memcmp(ehdr.e_ident, expected, EI_PAD) != 0) {
@@ -152,9 +154,7 @@
 
 	/* Traverse program headers.  */
 	for (i = 0; i < ehdr.e_phnum; i++) {
-		if (copy_from_user(&phdr,
-				   (void *) (phdr_start + i * sizeof(phdr)),
-				   sizeof(phdr)))
+		if (copy_from_user(&phdr, phdr_start + i, sizeof(phdr)))
 			goto fail;
 
 		if (phdr.p_type != PT_LOAD)
@@ -171,9 +171,7 @@
 	pr_debug("SPU_PROF: Created non-overlay maps\n");
 	/* Traverse section table and search for overlay-related symbols.  */
 	for (i = 0; i < ehdr.e_shnum; i++) {
-		if (copy_from_user(&shdr,
-				   (void *) (shdr_start + i * sizeof(shdr)),
-				   sizeof(shdr)))
+		if (copy_from_user(&shdr, shdr_start + i, sizeof(shdr)))
 			goto fail;
 
 		if (shdr.sh_type != SHT_SYMTAB)
@@ -182,8 +180,7 @@
 			continue;
 
 		if (copy_from_user(&shdr_str,
-				   (void *) (shdr_start + shdr.sh_link *
-					     sizeof(shdr)),
+				   shdr_start + shdr.sh_link,
 				   sizeof(shdr)))
 			goto fail;
 
@@ -191,15 +188,15 @@
 			goto fail;;
 
 		for (j = 0; j < shdr.sh_size / sizeof (sym); j++) {
-			if (copy_from_user(&sym, (void *) (spu_elf_start +
-						       shdr.sh_offset + j *
-							   sizeof (sym)),
+			if (copy_from_user(&sym, spu_elf_start +
+						 shdr.sh_offset +
+						 j * sizeof (sym),
 					   sizeof (sym)))
 				goto fail;
 
-			if (copy_from_user(name, (void *)
-					   (spu_elf_start + shdr_str.sh_offset +
-					    sym.st_name),
+			if (copy_from_user(name, 
+					   spu_elf_start + shdr_str.sh_offset +
+					   sym.st_name,
 					   20))
 				goto fail;
 
@@ -245,9 +242,7 @@
 
 	/* Traverse overlay table.  */
 	for (i = 0; i < n_ovlys; i++) {
-		if (copy_from_user(&ovly, (void *)
-				   (ovly_table + i * sizeof (ovly)),
-				   sizeof (ovly)))
+		if (copy_from_user(&ovly, ovly_table + i, sizeof (ovly)))
 			goto fail;
 
 		/* The ovly.vma/size/offset arguments are analogous to the same
diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c
index ca52b58..a977f20 100644
--- a/arch/powerpc/platforms/pseries/xics.c
+++ b/arch/powerpc/platforms/pseries/xics.c
@@ -763,7 +763,7 @@
 }
 #endif /* CONFIG_SMP */
 
-void xics_teardown_cpu()
+void xics_teardown_cpu(void)
 {
 	int cpu = smp_processor_id();
 
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index c4248b3..4851988 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -972,7 +972,7 @@
 void ata_lpm_schedule(struct ata_port *ap, enum link_pm policy)
 {
 	ap->pm_policy = policy;
-	ap->link.eh_info.action |= ATA_EHI_LPM;
+	ap->link.eh_info.action |= ATA_EH_LPM;
 	ap->link.eh_info.flags |= ATA_EHI_NO_AUTOPSY;
 	ata_port_schedule_eh(ap);
 }
diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index 681252f..a583032 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -2748,7 +2748,7 @@
 			ehc->i.flags &= ~ATA_EHI_SETMODE;
 		}
 
-		if (ehc->i.action & ATA_EHI_LPM)
+		if (ehc->i.action & ATA_EH_LPM)
 			ata_link_for_each_dev(dev, link)
 				ata_dev_enable_pm(dev, ap->pm_policy);
 
diff --git a/drivers/ata/pata_sil680.c b/drivers/ata/pata_sil680.c
index 503245a..3988e44 100644
--- a/drivers/ata/pata_sil680.c
+++ b/drivers/ata/pata_sil680.c
@@ -269,7 +269,11 @@
 	dev_dbg(&pdev->dev, "sil680: BA5_EN = %d clock = %02X\n",
 		tmpbyte & 1, tmpbyte & 0x30);
 
-	*try_mmio = (tmpbyte & 1) || pci_resource_start(pdev, 5);
+	*try_mmio = 0;
+#ifdef CONFIG_PPC
+	if (machine_is(cell))
+		*try_mmio = (tmpbyte & 1) || pci_resource_start(pdev, 5);
+#endif
 
 	switch(tmpbyte & 0x30) {
 		case 0x00:
diff --git a/drivers/char/n_tty.c b/drivers/char/n_tty.c
index 46b2a1c..0c09409 100644
--- a/drivers/char/n_tty.c
+++ b/drivers/char/n_tty.c
@@ -1183,7 +1183,7 @@
 	return retval;
 }
 
-extern ssize_t redirected_tty_write(struct file *, const char *,
+extern ssize_t redirected_tty_write(struct file *, const char __user *,
 							size_t, loff_t *);
 
 /**
diff --git a/drivers/char/nozomi.c b/drivers/char/nozomi.c
index 6d0dc5f..6a6843a 100644
--- a/drivers/char/nozomi.c
+++ b/drivers/char/nozomi.c
@@ -438,7 +438,7 @@
 			u32 size_bytes)
 {
 	u32 i = 0;
-	const u32 *ptr = (__force u32 *) mem_addr_start;
+	const u32 __iomem *ptr = mem_addr_start;
 	u16 *buf16;
 
 	if (unlikely(!ptr || !buf))
@@ -448,11 +448,11 @@
 	switch (size_bytes) {
 	case 2:	/* 2 bytes */
 		buf16 = (u16 *) buf;
-		*buf16 = __le16_to_cpu(readw((void __iomem *)ptr));
+		*buf16 = __le16_to_cpu(readw(ptr));
 		goto out;
 		break;
 	case 4:	/* 4 bytes */
-		*(buf) = __le32_to_cpu(readl((void __iomem *)ptr));
+		*(buf) = __le32_to_cpu(readl(ptr));
 		goto out;
 		break;
 	}
@@ -461,11 +461,11 @@
 		if (size_bytes - i == 2) {
 			/* Handle 2 bytes in the end */
 			buf16 = (u16 *) buf;
-			*(buf16) = __le16_to_cpu(readw((void __iomem *)ptr));
+			*(buf16) = __le16_to_cpu(readw(ptr));
 			i += 2;
 		} else {
 			/* Read 4 bytes */
-			*(buf) = __le32_to_cpu(readl((void __iomem *)ptr));
+			*(buf) = __le32_to_cpu(readl(ptr));
 			i += 4;
 		}
 		buf++;
@@ -484,7 +484,7 @@
 			u32 size_bytes)
 {
 	u32 i = 0;
-	u32 *ptr = (__force u32 *) mem_addr_start;
+	u32 __iomem *ptr = mem_addr_start;
 	const u16 *buf16;
 
 	if (unlikely(!ptr || !buf))
@@ -494,7 +494,7 @@
 	switch (size_bytes) {
 	case 2:	/* 2 bytes */
 		buf16 = (const u16 *)buf;
-		writew(__cpu_to_le16(*buf16), (void __iomem *)ptr);
+		writew(__cpu_to_le16(*buf16), ptr);
 		return 2;
 		break;
 	case 1: /*
@@ -502,7 +502,7 @@
 		 * so falling through..
 		 */
 	case 4: /* 4 bytes */
-		writel(__cpu_to_le32(*buf), (void __iomem *)ptr);
+		writel(__cpu_to_le32(*buf), ptr);
 		return 4;
 		break;
 	}
@@ -511,11 +511,11 @@
 		if (size_bytes - i == 2) {
 			/* 2 bytes */
 			buf16 = (const u16 *)buf;
-			writew(__cpu_to_le16(*buf16), (void __iomem *)ptr);
+			writew(__cpu_to_le16(*buf16), ptr);
 			i += 2;
 		} else {
 			/* 4 bytes */
-			writel(__cpu_to_le32(*buf), (void __iomem *)ptr);
+			writel(__cpu_to_le32(*buf), ptr);
 			i += 4;
 		}
 		buf++;
diff --git a/drivers/crypto/hifn_795x.c b/drivers/crypto/hifn_795x.c
index 3110bf7..81f3f95 100644
--- a/drivers/crypto/hifn_795x.c
+++ b/drivers/crypto/hifn_795x.c
@@ -392,8 +392,8 @@
 
 struct hifn_desc
 {
-	volatile u32		l;
-	volatile u32		p;
+	volatile __le32		l;
+	volatile __le32		p;
 };
 
 struct hifn_dma {
@@ -481,10 +481,10 @@
 
 struct hifn_base_command
 {
-	volatile u16		masks;
-	volatile u16		session_num;
-	volatile u16		total_source_count;
-	volatile u16		total_dest_count;
+	volatile __le16		masks;
+	volatile __le16		session_num;
+	volatile __le16		total_source_count;
+	volatile __le16		total_dest_count;
 };
 
 #define	HIFN_BASE_CMD_COMP		0x0100	/* enable compression engine */
@@ -504,10 +504,10 @@
  */
 struct hifn_crypt_command
 {
-	volatile u16 		masks;
-	volatile u16 		header_skip;
-	volatile u16 		source_count;
-	volatile u16 		reserved;
+	volatile __le16 		masks;
+	volatile __le16 		header_skip;
+	volatile __le16 		source_count;
+	volatile __le16 		reserved;
 };
 
 #define	HIFN_CRYPT_CMD_ALG_MASK		0x0003		/* algorithm: */
@@ -670,7 +670,7 @@
 {
 	u32 ret;
 
-	ret = readl((char *)(dev->bar[0]) + reg);
+	ret = readl(dev->bar[0] + reg);
 
 	return ret;
 }
@@ -679,19 +679,19 @@
 {
 	u32 ret;
 
-	ret = readl((char *)(dev->bar[1]) + reg);
+	ret = readl(dev->bar[1] + reg);
 
 	return ret;
 }
 
 static inline void hifn_write_0(struct hifn_device *dev, u32 reg, u32 val)
 {
-	writel(val, (char *)(dev->bar[0]) + reg);
+	writel(val, dev->bar[0] + reg);
 }
 
 static inline void hifn_write_1(struct hifn_device *dev, u32 reg, u32 val)
 {
-	writel(val, (char *)(dev->bar[1]) + reg);
+	writel(val, dev->bar[1] + reg);
 }
 
 static void hifn_wait_puc(struct hifn_device *dev)
diff --git a/drivers/dma/fsldma.h b/drivers/dma/fsldma.h
index fddd6ae..6faf07b 100644
--- a/drivers/dma/fsldma.h
+++ b/drivers/dma/fsldma.h
@@ -75,12 +75,15 @@
 #define FSL_DMA_DGSR_EOSI	0x02
 #define FSL_DMA_DGSR_EOLSI	0x01
 
+typedef u64 __bitwise v64;
+typedef u32 __bitwise v32;
+
 struct fsl_dma_ld_hw {
-	u64 __bitwise	src_addr;
-	u64 __bitwise	dst_addr;
-	u64 __bitwise	next_ln_addr;
-	u32 __bitwise	count;
-	u32 __bitwise	reserve;
+	v64 src_addr;
+	v64 dst_addr;
+	v64 next_ln_addr;
+	v32 count;
+	v32 reserve;
 } __attribute__((aligned(32)));
 
 struct fsl_desc_sw {
@@ -92,13 +95,13 @@
 } __attribute__((aligned(32)));
 
 struct fsl_dma_chan_regs {
-	u32 __bitwise	mr;	/* 0x00 - Mode Register */
-	u32 __bitwise	sr;	/* 0x04 - Status Register */
-	u64 __bitwise	cdar;	/* 0x08 - Current descriptor address register */
-	u64 __bitwise	sar;	/* 0x10 - Source Address Register */
-	u64 __bitwise	dar;	/* 0x18 - Destination Address Register */
-	u32 __bitwise	bcr;	/* 0x20 - Byte Count Register */
-	u64 __bitwise	ndar;	/* 0x24 - Next Descriptor Address Register */
+	u32 mr;	/* 0x00 - Mode Register */
+	u32 sr;	/* 0x04 - Status Register */
+	u64 cdar;	/* 0x08 - Current descriptor address register */
+	u64 sar;	/* 0x10 - Source Address Register */
+	u64 dar;	/* 0x18 - Destination Address Register */
+	u32 bcr;	/* 0x20 - Byte Count Register */
+	u64 ndar;	/* 0x24 - Next Descriptor Address Register */
 };
 
 struct fsl_dma_chan;
@@ -151,25 +154,27 @@
 #ifndef __powerpc64__
 static u64 in_be64(const u64 __iomem *addr)
 {
-	return ((u64)in_be32((u32 *)addr) << 32) | (in_be32((u32 *)addr + 1));
+	return ((u64)in_be32((u32 __iomem *)addr) << 32) |
+		(in_be32((u32 __iomem *)addr + 1));
 }
 
 static void out_be64(u64 __iomem *addr, u64 val)
 {
-	out_be32((u32 *)addr, val >> 32);
-	out_be32((u32 *)addr + 1, (u32)val);
+	out_be32((u32 __iomem *)addr, val >> 32);
+	out_be32((u32 __iomem *)addr + 1, (u32)val);
 }
 
 /* There is no asm instructions for 64 bits reverse loads and stores */
 static u64 in_le64(const u64 __iomem *addr)
 {
-	return ((u64)in_le32((u32 *)addr + 1) << 32) | (in_le32((u32 *)addr));
+	return ((u64)in_le32((u32 __iomem *)addr + 1) << 32) |
+		(in_le32((u32 __iomem *)addr));
 }
 
 static void out_le64(u64 __iomem *addr, u64 val)
 {
-	out_le32((u32 *)addr + 1, val >> 32);
-	out_le32((u32 *)addr, (u32)val);
+	out_le32((u32 __iomem *)addr + 1, val >> 32);
+	out_le32((u32 __iomem *)addr, (u32)val);
 }
 #endif
 
@@ -182,9 +187,11 @@
 
 #define DMA_TO_CPU(fsl_chan, d, width)					\
 		(((fsl_chan)->feature & FSL_DMA_BIG_ENDIAN) ?		\
-			be##width##_to_cpu(d) :	le##width##_to_cpu(d))
+			be##width##_to_cpu((__force __be##width)(v##width)d) : \
+			le##width##_to_cpu((__force __le##width)(v##width)d))
 #define CPU_TO_DMA(fsl_chan, c, width)					\
 		(((fsl_chan)->feature & FSL_DMA_BIG_ENDIAN) ?		\
-			cpu_to_be##width(c) : cpu_to_le##width(c))
+			(__force v##width)cpu_to_be##width(c) :		\
+			(__force v##width)cpu_to_le##width(c))
 
 #endif	/* __DMA_FSLDMA_H */
diff --git a/drivers/dma/ioat_dca.c b/drivers/dma/ioat_dca.c
index 0fa8a98..9e92276 100644
--- a/drivers/dma/ioat_dca.c
+++ b/drivers/dma/ioat_dca.c
@@ -98,7 +98,7 @@
 
 struct ioat_dca_priv {
 	void __iomem		*iobase;
-	void			*dca_base;
+	void __iomem		*dca_base;
 	int			 max_requesters;
 	int			 requester_count;
 	u8			 tag_map[IOAT_TAG_MAP_LEN];
@@ -338,7 +338,7 @@
 	.get_tag		= ioat2_dca_get_tag,
 };
 
-static int ioat2_dca_count_dca_slots(void *iobase, u16 dca_offset)
+static int ioat2_dca_count_dca_slots(void __iomem *iobase, u16 dca_offset)
 {
 	int slots = 0;
 	u32 req;
diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c
index c419266..01b9220 100644
--- a/drivers/ide/ide-iops.c
+++ b/drivers/ide/ide-iops.c
@@ -595,6 +595,7 @@
 
 	/*
 	 * FIXME:
+	 * - change master/slave IDENTIFY order
 	 * - force bit13 (80c cable present) check also for !ivb devices
 	 *   (unless the slave device is pre-ATA3)
 	 */
diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c
index 194ecb0..47a1149 100644
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -774,9 +774,10 @@
 		printk(KERN_DEBUG "%s: Wait for ready failed before probe !\n", hwif->name);
 
 	/*
-	 * Need to probe slave device first to make it release PDIAG-.
+	 * Second drive should only exist if first drive was found,
+	 * but a lot of cdrom drives are configured as single slaves.
 	 */
-	for (unit = MAX_DRIVES - 1; unit >= 0; unit--) {
+	for (unit = 0; unit < MAX_DRIVES; ++unit) {
 		ide_drive_t *drive = &hwif->drives[unit];
 		drive->dn = (hwif->channel ? 2 : 0) + unit;
 		(void) probe_for_drive(drive);
diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c
index a58ad8a..781ea59 100644
--- a/drivers/infiniband/core/addr.c
+++ b/drivers/infiniband/core/addr.c
@@ -154,7 +154,7 @@
 {
 	struct rtable *rt;
 	struct flowi fl;
-	u32 dst_ip = dst_in->sin_addr.s_addr;
+	__be32 dst_ip = dst_in->sin_addr.s_addr;
 
 	memset(&fl, 0, sizeof fl);
 	fl.nl_u.ip4_u.daddr = dst_ip;
@@ -169,8 +169,8 @@
 			       struct sockaddr_in *dst_in,
 			       struct rdma_dev_addr *addr)
 {
-	u32 src_ip = src_in->sin_addr.s_addr;
-	u32 dst_ip = dst_in->sin_addr.s_addr;
+	__be32 src_ip = src_in->sin_addr.s_addr;
+	__be32 dst_ip = dst_in->sin_addr.s_addr;
 	struct flowi fl;
 	struct rtable *rt;
 	struct neighbour *neigh;
@@ -257,7 +257,7 @@
 			      struct rdma_dev_addr *addr)
 {
 	struct net_device *dev;
-	u32 src_ip = src_in->sin_addr.s_addr;
+	__be32 src_ip = src_in->sin_addr.s_addr;
 	__be32 dst_ip = dst_in->sin_addr.s_addr;
 	int ret;
 
diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
index 4df4051..faa7ce3 100644
--- a/drivers/infiniband/core/cm.c
+++ b/drivers/infiniband/core/cm.c
@@ -393,7 +393,7 @@
 		spin_unlock_irqrestore(&cm.lock, flags);
 	} while( (ret == -EAGAIN) && idr_pre_get(&cm.local_id_table, GFP_KERNEL) );
 
-	cm_id_priv->id.local_id = (__force __be32) (id ^ cm.random_id_operand);
+	cm_id_priv->id.local_id = (__force __be32)id ^ cm.random_id_operand;
 	return ret;
 }
 
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index 34507da..d81c156 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -168,15 +168,15 @@
 union cma_ip_addr {
 	struct in6_addr ip6;
 	struct {
-		__u32 pad[3];
-		__u32 addr;
+		__be32 pad[3];
+		__be32 addr;
 	} ip4;
 };
 
 struct cma_hdr {
 	u8 cma_version;
 	u8 ip_version;	/* IP version: 7:4 */
-	__u16 port;
+	__be16 port;
 	union cma_ip_addr src_addr;
 	union cma_ip_addr dst_addr;
 };
@@ -186,8 +186,8 @@
 	u8 sdp_version; /* Major version: 7:4 */
 	u8 ip_version;	/* IP version: 7:4 */
 	u8 sdp_specific1[10];
-	__u16 port;
-	__u16 sdp_specific2;
+	__be16 port;
+	__be16 sdp_specific2;
 	union cma_ip_addr src_addr;
 	union cma_ip_addr dst_addr;
 };
@@ -663,7 +663,7 @@
 }
 
 static int cma_get_net_info(void *hdr, enum rdma_port_space ps,
-			    u8 *ip_ver, __u16 *port,
+			    u8 *ip_ver, __be16 *port,
 			    union cma_ip_addr **src, union cma_ip_addr **dst)
 {
 	switch (ps) {
@@ -695,7 +695,7 @@
 
 static void cma_save_net_info(struct rdma_addr *addr,
 			      struct rdma_addr *listen_addr,
-			      u8 ip_ver, __u16 port,
+			      u8 ip_ver, __be16 port,
 			      union cma_ip_addr *src, union cma_ip_addr *dst)
 {
 	struct sockaddr_in *listen4, *ip4;
@@ -996,7 +996,7 @@
 	struct rdma_cm_id *id;
 	struct rdma_route *rt;
 	union cma_ip_addr *src, *dst;
-	__u16 port;
+	__be16 port;
 	u8 ip_ver;
 
 	if (cma_get_net_info(ib_event->private_data, listen_id->ps,
@@ -1043,7 +1043,7 @@
 	struct rdma_id_private *id_priv;
 	struct rdma_cm_id *id;
 	union cma_ip_addr *src, *dst;
-	__u16 port;
+	__be16 port;
 	u8 ip_ver;
 	int ret;
 
@@ -1165,7 +1165,7 @@
 {
 	struct cma_hdr *cma_data, *cma_mask;
 	struct sdp_hh *sdp_data, *sdp_mask;
-	__u32 ip4_addr;
+	__be32 ip4_addr;
 	struct in6_addr ip6_addr;
 
 	memset(compare, 0, sizeof *compare);
@@ -1181,12 +1181,12 @@
 			sdp_set_ip_ver(sdp_data, 4);
 			sdp_set_ip_ver(sdp_mask, 0xF);
 			sdp_data->dst_addr.ip4.addr = ip4_addr;
-			sdp_mask->dst_addr.ip4.addr = ~0;
+			sdp_mask->dst_addr.ip4.addr = htonl(~0);
 		} else {
 			cma_set_ip_ver(cma_data, 4);
 			cma_set_ip_ver(cma_mask, 0xF);
 			cma_data->dst_addr.ip4.addr = ip4_addr;
-			cma_mask->dst_addr.ip4.addr = ~0;
+			cma_mask->dst_addr.ip4.addr = htonl(~0);
 		}
 		break;
 	case AF_INET6:
diff --git a/drivers/lguest/lguest_user.c b/drivers/lguest/lguest_user.c
index 564e425..645e6e0 100644
--- a/drivers/lguest/lguest_user.c
+++ b/drivers/lguest/lguest_user.c
@@ -189,7 +189,7 @@
 	}
 
 	/* Populate the easy fields of our "struct lguest" */
-	lg->mem_base = (void __user *)(long)args[0];
+	lg->mem_base = (void __user *)args[0];
 	lg->pfn_limit = args[1];
 
 	/* This is the first cpu (cpu 0) and it will start booting at args[3] */
diff --git a/drivers/media/common/saa7146_core.c b/drivers/media/common/saa7146_core.c
index 168a8d3..7707b8c 100644
--- a/drivers/media/common/saa7146_core.c
+++ b/drivers/media/common/saa7146_core.c
@@ -306,25 +306,22 @@
 		return IRQ_NONE;
 	}
 
-	if( 0 != (dev->ext)) {
-		if( 0 != (dev->ext->irq_mask & isr )) {
-			if( 0 != dev->ext->irq_func ) {
+	if (dev->ext) {
+		if (dev->ext->irq_mask & isr) {
+			if (dev->ext->irq_func)
 				dev->ext->irq_func(dev, &isr);
-			}
 			isr &= ~dev->ext->irq_mask;
 		}
 	}
 	if (0 != (isr & (MASK_27))) {
 		DEB_INT(("irq: RPS0 (0x%08x).\n",isr));
-		if( 0 != dev->vv_data && 0 != dev->vv_callback) {
+		if (dev->vv_data && dev->vv_callback)
 			dev->vv_callback(dev,isr);
-		}
 		isr &= ~MASK_27;
 	}
 	if (0 != (isr & (MASK_28))) {
-		if( 0 != dev->vv_data && 0 != dev->vv_callback) {
+		if (dev->vv_data && dev->vv_callback)
 			dev->vv_callback(dev,isr);
-		}
 		isr &= ~MASK_28;
 	}
 	if (0 != (isr & (MASK_16|MASK_17))) {
diff --git a/drivers/media/common/saa7146_fops.c b/drivers/media/common/saa7146_fops.c
index f0703d8..171afe7 100644
--- a/drivers/media/common/saa7146_fops.c
+++ b/drivers/media/common/saa7146_fops.c
@@ -272,7 +272,7 @@
 
 	result = 0;
 out:
-	if( fh != 0 && result != 0 ) {
+	if (fh && result != 0) {
 		kfree(fh);
 		file->private_data = NULL;
 	}
diff --git a/drivers/media/dvb/dvb-core/dvb_net.c b/drivers/media/dvb/dvb-core/dvb_net.c
index ed3f826..4c8b62e 100644
--- a/drivers/media/dvb/dvb-core/dvb_net.c
+++ b/drivers/media/dvb/dvb-core/dvb_net.c
@@ -784,8 +784,8 @@
 {
 	struct net_device *dev = feed->priv;
 
-	if (buffer2 != 0)
-		printk(KERN_WARNING "buffer2 not 0: %p.\n", buffer2);
+	if (buffer2)
+		printk(KERN_WARNING "buffer2 not NULL: %p.\n", buffer2);
 	if (buffer1_len > 32768)
 		printk(KERN_WARNING "length > 32k: %zu.\n", buffer1_len);
 	/* printk("TS callback: %u bytes, %u TS cells @ %p.\n",
diff --git a/drivers/media/video/adv7170.c b/drivers/media/video/adv7170.c
index cbab53f..fea2e72 100644
--- a/drivers/media/video/adv7170.c
+++ b/drivers/media/video/adv7170.c
@@ -408,7 +408,7 @@
 		return 0;
 
 	client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
-	if (client == 0)
+	if (!client)
 		return -ENOMEM;
 	client->addr = address;
 	client->adapter = adapter;
diff --git a/drivers/media/video/adv7175.c b/drivers/media/video/adv7175.c
index 0d0c554..10d4d89 100644
--- a/drivers/media/video/adv7175.c
+++ b/drivers/media/video/adv7175.c
@@ -426,7 +426,7 @@
 		return 0;
 
 	client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
-	if (client == 0)
+	if (!client)
 		return -ENOMEM;
 	client->addr = address;
 	client->adapter = adapter;
diff --git a/drivers/media/video/bt819.c b/drivers/media/video/bt819.c
index 12d1b92..e663cc0 100644
--- a/drivers/media/video/bt819.c
+++ b/drivers/media/video/bt819.c
@@ -524,7 +524,7 @@
 		return 0;
 
 	client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
-	if (client == 0)
+	if (!client)
 		return -ENOMEM;
 	client->addr = address;
 	client->adapter = adapter;
diff --git a/drivers/media/video/bt856.c b/drivers/media/video/bt856.c
index e1028a7..7dee2e3 100644
--- a/drivers/media/video/bt856.c
+++ b/drivers/media/video/bt856.c
@@ -311,7 +311,7 @@
 		return 0;
 
 	client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
-	if (client == 0)
+	if (!client)
 		return -ENOMEM;
 	client->addr = address;
 	client->adapter = adapter;
diff --git a/drivers/media/video/dpc7146.c b/drivers/media/video/dpc7146.c
index 566e479..9ceb6b2 100644
--- a/drivers/media/video/dpc7146.c
+++ b/drivers/media/video/dpc7146.c
@@ -131,7 +131,7 @@
 	device_for_each_child(&dpc->i2c_adapter.dev, dpc, dpc_check_clients);
 
 	/* check if all devices are present */
-	if( 0 == dpc->saa7111a ) {
+	if (!dpc->saa7111a) {
 		DEB_D(("dpc_v4l2.o: dpc_attach failed for this device.\n"));
 		i2c_del_adapter(&dpc->i2c_adapter);
 		kfree(dpc);
diff --git a/drivers/media/video/mt20xx.c b/drivers/media/video/mt20xx.c
index 58bab65..74fd6a0 100644
--- a/drivers/media/video/mt20xx.c
+++ b/drivers/media/video/mt20xx.c
@@ -647,7 +647,7 @@
 	default:
 		tuner_info("microtune %s found, not (yet?) supported, sorry :-/\n",
 			   name);
-		return 0;
+		return NULL;
 	}
 
 	strlcpy(fe->ops.tuner_ops.info.name, name,
diff --git a/drivers/media/video/mxb.c b/drivers/media/video/mxb.c
index add6d0d..cb5a510 100644
--- a/drivers/media/video/mxb.c
+++ b/drivers/media/video/mxb.c
@@ -221,9 +221,8 @@
 	device_for_each_child(&mxb->i2c_adapter.dev, mxb, mxb_check_clients);
 
 	/* check if all devices are present */
-	if(    0 == mxb->tea6420_1	|| 0 == mxb->tea6420_2	|| 0 == mxb->tea6415c
-	    || 0 == mxb->tda9840	|| 0 == mxb->saa7111a	|| 0 == mxb->tuner ) {
-
+	if (!mxb->tea6420_1 || !mxb->tea6420_2 || !mxb->tea6415c ||
+	    !mxb->tda9840 || !mxb->saa7111a || !mxb->tuner) {
 		printk("mxb: did not find all i2c devices. aborting\n");
 		i2c_del_adapter(&mxb->i2c_adapter);
 		kfree(mxb);
diff --git a/drivers/media/video/pvrusb2/pvrusb2-ctrl.c b/drivers/media/video/pvrusb2/pvrusb2-ctrl.c
index 46f156f..5a3e8d2 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-ctrl.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-ctrl.c
@@ -60,7 +60,7 @@
 	int ret = 0;
 	if (!cptr) return -EINVAL;
 	LOCK_TAKE(cptr->hdw->big_lock); do {
-		if (cptr->info->set_value != 0) {
+		if (cptr->info->set_value) {
 			if (cptr->info->type == pvr2_ctl_bitmask) {
 				mask &= cptr->info->def.type_bitmask.valid_bits;
 			} else if (cptr->info->type == pvr2_ctl_int) {
@@ -265,7 +265,7 @@
 int pvr2_ctrl_is_writable(struct pvr2_ctrl *cptr)
 {
 	if (!cptr) return 0;
-	return cptr->info->set_value != 0;
+	return cptr->info->set_value != NULL;
 }
 
 
diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.c b/drivers/media/video/pvrusb2/pvrusb2-hdw.c
index 41ae980..d6955fa 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-hdw.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.c
@@ -2291,7 +2291,7 @@
 
 	for (idx = 0; idx < hdw->control_cnt; idx++) {
 		cptr = hdw->controls + idx;
-		if (cptr->info->is_dirty == 0) continue;
+		if (!cptr->info->is_dirty) continue;
 		if (!cptr->info->is_dirty(cptr)) continue;
 		commit_flag = !0;
 
@@ -2646,7 +2646,7 @@
 	u16 address;
 	unsigned int pipe;
 	LOCK_TAKE(hdw->big_lock); do {
-		if ((hdw->fw_buffer == 0) == !enable_flag) break;
+		if ((hdw->fw_buffer == NULL) == !enable_flag) break;
 
 		if (!enable_flag) {
 			pvr2_trace(PVR2_TRACE_FIRMWARE,
@@ -2715,7 +2715,7 @@
 /* Return true if we're in a mode for retrieval CPU firmware */
 int pvr2_hdw_cpufw_get_enabled(struct pvr2_hdw *hdw)
 {
-	return hdw->fw_buffer != 0;
+	return hdw->fw_buffer != NULL;
 }
 
 
diff --git a/drivers/media/video/pvrusb2/pvrusb2-io.c b/drivers/media/video/pvrusb2/pvrusb2-io.c
index ce3c898..a9889ff 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-io.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-io.c
@@ -563,7 +563,7 @@
 	struct pvr2_buffer *bp;
 	mutex_lock(&sp->mutex); do {
 		pvr2_stream_internal_flush(sp);
-		while ((bp = pvr2_stream_get_ready_buffer(sp)) != 0) {
+		while ((bp = pvr2_stream_get_ready_buffer(sp)) != NULL) {
 			pvr2_buffer_set_idle(bp);
 		}
 		if (sp->buffer_total_count != sp->buffer_target_count) {
diff --git a/drivers/media/video/pvrusb2/pvrusb2-ioread.c b/drivers/media/video/pvrusb2/pvrusb2-ioread.c
index f782418..c572212 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-ioread.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-ioread.c
@@ -165,7 +165,7 @@
 	if (!(cp->stream)) return 0;
 	pvr2_trace(PVR2_TRACE_START_STOP,
 		   "/*---TRACE_READ---*/ pvr2_ioread_start id=%p",cp);
-	while ((bp = pvr2_stream_get_idle_buffer(cp->stream)) != 0) {
+	while ((bp = pvr2_stream_get_idle_buffer(cp->stream)) != NULL) {
 		stat = pvr2_buffer_queue(bp);
 		if (stat < 0) {
 			pvr2_trace(PVR2_TRACE_DATA_FLOW,
diff --git a/drivers/media/video/pwc/pwc-if.c b/drivers/media/video/pwc/pwc-if.c
index f991d72..e0a453a 100644
--- a/drivers/media/video/pwc/pwc-if.c
+++ b/drivers/media/video/pwc/pwc-if.c
@@ -915,7 +915,7 @@
 		struct urb *urb;
 
 		urb = pdev->sbuf[i].urb;
-		if (urb != 0) {
+		if (urb) {
 			PWC_DEBUG_MEMORY("Unlinking URB %p\n", urb);
 			usb_kill_urb(urb);
 		}
@@ -931,7 +931,7 @@
 		struct urb *urb;
 
 		urb = pdev->sbuf[i].urb;
-		if (urb != 0) {
+		if (urb) {
 			PWC_DEBUG_MEMORY("Freeing URB\n");
 			usb_free_urb(urb);
 			pdev->sbuf[i].urb = NULL;
@@ -1759,8 +1759,7 @@
 
 	/* Allocate video_device structure */
 	pdev->vdev = video_device_alloc();
-	if (pdev->vdev == 0)
-	{
+	if (!pdev->vdev) {
 		PWC_ERROR("Err, cannot allocate video_device struture. Failing probe.");
 		kfree(pdev);
 		return -ENOMEM;
diff --git a/drivers/media/video/saa7110.c b/drivers/media/video/saa7110.c
index 061134a..1df2602 100644
--- a/drivers/media/video/saa7110.c
+++ b/drivers/media/video/saa7110.c
@@ -488,7 +488,7 @@
 		return 0;
 
 	client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
-	if (client == 0)
+	if (!client)
 		return -ENOMEM;
 	client->addr = address;
 	client->adapter = adapter;
@@ -496,7 +496,7 @@
 	strlcpy(I2C_NAME(client), "saa7110", sizeof(I2C_NAME(client)));
 
 	decoder = kzalloc(sizeof(struct saa7110), GFP_KERNEL);
-	if (decoder == 0) {
+	if (!decoder) {
 		kfree(client);
 		return -ENOMEM;
 	}
diff --git a/drivers/media/video/saa7111.c b/drivers/media/video/saa7111.c
index 7ae2d64..a0772c5 100644
--- a/drivers/media/video/saa7111.c
+++ b/drivers/media/video/saa7111.c
@@ -502,7 +502,7 @@
 		return 0;
 
 	client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
-	if (client == 0)
+	if (!client)
 		return -ENOMEM;
 	client->addr = address;
 	client->adapter = adapter;
diff --git a/drivers/media/video/saa7114.c b/drivers/media/video/saa7114.c
index 677df51..bf91a4f 100644
--- a/drivers/media/video/saa7114.c
+++ b/drivers/media/video/saa7114.c
@@ -841,7 +841,7 @@
 		return 0;
 
 	client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
-	if (client == 0)
+	if (!client)
 		return -ENOMEM;
 	client->addr = address;
 	client->adapter = adapter;
diff --git a/drivers/media/video/saa7185.c b/drivers/media/video/saa7185.c
index 66cc92c..41f7044 100644
--- a/drivers/media/video/saa7185.c
+++ b/drivers/media/video/saa7185.c
@@ -403,7 +403,7 @@
 		return 0;
 
 	client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
-	if (client == 0)
+	if (!client)
 		return -ENOMEM;
 	client->addr = address;
 	client->adapter = adapter;
diff --git a/drivers/media/video/tda9840.c b/drivers/media/video/tda9840.c
index ef494fe..bdca5d2 100644
--- a/drivers/media/video/tda9840.c
+++ b/drivers/media/video/tda9840.c
@@ -172,7 +172,7 @@
 
 	/* allocate memory for client structure */
 	client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
-	if (0 == client) {
+	if (!client) {
 		printk("not enough kernel memory\n");
 		return -ENOMEM;
 	}
diff --git a/drivers/media/video/tea6415c.c b/drivers/media/video/tea6415c.c
index 523df0b..df2fad9 100644
--- a/drivers/media/video/tea6415c.c
+++ b/drivers/media/video/tea6415c.c
@@ -64,7 +64,7 @@
 
 	/* allocate memory for client structure */
 	client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
-	if (0 == client) {
+	if (!client) {
 		return -ENOMEM;
 	}
 
diff --git a/drivers/media/video/tea6420.c b/drivers/media/video/tea6420.c
index ca05cd6..4ff6c63 100644
--- a/drivers/media/video/tea6420.c
+++ b/drivers/media/video/tea6420.c
@@ -101,7 +101,7 @@
 
 	/* allocate memory for client structure */
 	client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
-	if (0 == client) {
+	if (!client) {
 		return -ENOMEM;
 	}
 
diff --git a/drivers/media/video/tvp5150.c b/drivers/media/video/tvp5150.c
index d28318c..b6e24e7 100644
--- a/drivers/media/video/tvp5150.c
+++ b/drivers/media/video/tvp5150.c
@@ -1072,12 +1072,12 @@
 		return 0;
 
 	c = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
-	if (c == 0)
+	if (!c)
 		return -ENOMEM;
 	memcpy(c, &client_template, sizeof(struct i2c_client));
 
 	core = kzalloc(sizeof(struct tvp5150), GFP_KERNEL);
-	if (core == 0) {
+	if (!core) {
 		kfree(c);
 		return -ENOMEM;
 	}
diff --git a/drivers/media/video/zoran_driver.c b/drivers/media/video/zoran_driver.c
index dd3d7d2..fea4946 100644
--- a/drivers/media/video/zoran_driver.c
+++ b/drivers/media/video/zoran_driver.c
@@ -339,7 +339,7 @@
 			/* Use kmalloc */
 
 			mem = kmalloc(fh->v4l_buffers.buffer_size, GFP_KERNEL);
-			if (mem == 0) {
+			if (!mem) {
 				dprintk(1,
 					KERN_ERR
 					"%s: v4l_fbuffer_alloc() - kmalloc for V4L buf %d failed\n",
diff --git a/drivers/media/video/zr364xx.c b/drivers/media/video/zr364xx.c
index 1b44784..04949c8 100644
--- a/drivers/media/video/zr364xx.c
+++ b/drivers/media/video/zr364xx.c
@@ -390,7 +390,7 @@
 }
 
 
-static ssize_t zr364xx_read(struct file *file, char *buf, size_t cnt,
+static ssize_t zr364xx_read(struct file *file, char __user *buf, size_t cnt,
 			    loff_t * ppos)
 {
 	unsigned long count = cnt;
diff --git a/drivers/mfd/asic3.c b/drivers/mfd/asic3.c
index 63fb1ff3..f6f2d96 100644
--- a/drivers/mfd/asic3.c
+++ b/drivers/mfd/asic3.c
@@ -28,14 +28,14 @@
 static inline void asic3_write_register(struct asic3 *asic,
 				 unsigned int reg, u32 value)
 {
-	iowrite16(value, (unsigned long)asic->mapping +
+	iowrite16(value, asic->mapping +
 		  (reg >> asic->bus_shift));
 }
 
 static inline u32 asic3_read_register(struct asic3 *asic,
 			       unsigned int reg)
 {
-	return ioread16((unsigned long)asic->mapping +
+	return ioread16(asic->mapping +
 			(reg >> asic->bus_shift));
 }
 
diff --git a/drivers/misc/fujitsu-laptop.c b/drivers/misc/fujitsu-laptop.c
index 1cfd7f3..e2e7c05 100644
--- a/drivers/misc/fujitsu-laptop.c
+++ b/drivers/misc/fujitsu-laptop.c
@@ -231,7 +231,7 @@
 
 	if (!device || !acpi_driver_data(device))
 		return -EINVAL;
-	fujitsu->acpi_handle = 0;
+	fujitsu->acpi_handle = NULL;
 
 	return 0;
 }
diff --git a/drivers/misc/ibmasm/module.c b/drivers/misc/ibmasm/module.c
index 4f9d4a9..b5f6add 100644
--- a/drivers/misc/ibmasm/module.c
+++ b/drivers/misc/ibmasm/module.c
@@ -106,7 +106,7 @@
 	sp->irq = pdev->irq;
 	sp->base_address = ioremap(pci_resource_start(pdev, 0),
 					pci_resource_len(pdev, 0));
-	if (sp->base_address == 0) {
+	if (!sp->base_address) {
 		dev_err(sp->dev, "Failed to ioremap pci memory\n");
 		result =  -ENODEV;
 		goto error_ioremap;
diff --git a/drivers/misc/lkdtm.c b/drivers/misc/lkdtm.c
index c884730..1bfe5d1 100644
--- a/drivers/misc/lkdtm.c
+++ b/drivers/misc/lkdtm.c
@@ -197,7 +197,7 @@
 {
 	int i;
 
-	if (cpoint_name == INVALID || cpoint_type == NONE ||
+	if (cpoint_name == NULL || cpoint_type == NULL ||
 					cpoint_count < 1 || recur_count < 1)
 		return -EINVAL;
 
diff --git a/drivers/net/dm9000.c b/drivers/net/dm9000.c
index b09a53d..d63cc93 100644
--- a/drivers/net/dm9000.c
+++ b/drivers/net/dm9000.c
@@ -968,7 +968,7 @@
 struct dm9000_rxhdr {
 	u8	RxPktReady;
 	u8	RxStatus;
-	u16	RxLen;
+	__le16	RxLen;
 } __attribute__((__packed__));
 
 /*
diff --git a/drivers/serial/8250_pci.c b/drivers/serial/8250_pci.c
index a8bec49..f97224c 100644
--- a/drivers/serial/8250_pci.c
+++ b/drivers/serial/8250_pci.c
@@ -1214,13 +1214,6 @@
 		.base_baud	= 115200,
 		.uart_offset	= 8,
 	},
-	[pbn_b0_8_115200] = {
-		.flags		= FL_BASE0,
-		.num_ports	= 8,
-		.base_baud	= 115200,
-		.uart_offset	= 8,
-	},
-
 	[pbn_b0_1_921600] = {
 		.flags		= FL_BASE0,
 		.num_ports	= 1,
diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c
index 6c8ecde..c0df924 100644
--- a/drivers/virtio/virtio_pci.c
+++ b/drivers/virtio/virtio_pci.c
@@ -37,7 +37,7 @@
 	struct pci_dev *pci_dev;
 
 	/* the IO mapping for the PCI config space */
-	void *ioaddr;
+	void __iomem *ioaddr;
 
 	/* a list of queues so we can dispatch IRQs */
 	spinlock_t lock;
@@ -111,7 +111,7 @@
 		   void *buf, unsigned len)
 {
 	struct virtio_pci_device *vp_dev = to_vp_device(vdev);
-	void *ioaddr = vp_dev->ioaddr + VIRTIO_PCI_CONFIG + offset;
+	void __iomem *ioaddr = vp_dev->ioaddr + VIRTIO_PCI_CONFIG + offset;
 	u8 *ptr = buf;
 	int i;
 
@@ -125,7 +125,7 @@
 		   const void *buf, unsigned len)
 {
 	struct virtio_pci_device *vp_dev = to_vp_device(vdev);
-	void *ioaddr = vp_dev->ioaddr + VIRTIO_PCI_CONFIG + offset;
+	void __iomem *ioaddr = vp_dev->ioaddr + VIRTIO_PCI_CONFIG + offset;
 	const u8 *ptr = buf;
 	int i;
 
diff --git a/fs/cifs/cifsacl.c b/fs/cifs/cifsacl.c
index 1f5a428..1cb5b0a 100644
--- a/fs/cifs/cifsacl.c
+++ b/fs/cifs/cifsacl.c
@@ -261,7 +261,7 @@
 	return;
 }
 
-static __le16 fill_ace_for_sid(struct cifs_ace *pntace,
+static __u16 fill_ace_for_sid(struct cifs_ace *pntace,
 			const struct cifs_sid *psid, __u64 nmode, umode_t bits)
 {
 	int i;
@@ -411,7 +411,7 @@
 static int set_chmod_dacl(struct cifs_acl *pndacl, struct cifs_sid *pownersid,
 			struct cifs_sid *pgrpsid, __u64 nmode)
 {
-	__le16 size = 0;
+	u16 size = 0;
 	struct cifs_acl *pnndacl;
 
 	pnndacl = (struct cifs_acl *)((char *)pndacl + sizeof(struct cifs_acl));
diff --git a/fs/jbd/journal.c b/fs/jbd/journal.c
index 9816293..0e081d5 100644
--- a/fs/jbd/journal.c
+++ b/fs/jbd/journal.c
@@ -1620,14 +1620,14 @@
 {
 	int retval;
 
-	J_ASSERT(journal_head_cache == 0);
+	J_ASSERT(journal_head_cache == NULL);
 	journal_head_cache = kmem_cache_create("journal_head",
 				sizeof(struct journal_head),
 				0,		/* offset */
 				SLAB_TEMPORARY,	/* flags */
 				NULL);		/* ctor */
 	retval = 0;
-	if (journal_head_cache == 0) {
+	if (!journal_head_cache) {
 		retval = -ENOMEM;
 		printk(KERN_EMERG "JBD: no memory for journal_head cache\n");
 	}
diff --git a/fs/jbd/revoke.c b/fs/jbd/revoke.c
index ad2eacf..d5f8eee 100644
--- a/fs/jbd/revoke.c
+++ b/fs/jbd/revoke.c
@@ -173,13 +173,13 @@
 					   0,
 					   SLAB_HWCACHE_ALIGN|SLAB_TEMPORARY,
 					   NULL);
-	if (revoke_record_cache == 0)
+	if (!revoke_record_cache)
 		return -ENOMEM;
 
 	revoke_table_cache = kmem_cache_create("revoke_table",
 					   sizeof(struct jbd_revoke_table_s),
 					   0, SLAB_TEMPORARY, NULL);
-	if (revoke_table_cache == 0) {
+	if (!revoke_table_cache) {
 		kmem_cache_destroy(revoke_record_cache);
 		revoke_record_cache = NULL;
 		return -ENOMEM;
diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
index 96ba846..954cff0 100644
--- a/fs/jbd2/journal.c
+++ b/fs/jbd2/journal.c
@@ -219,7 +219,7 @@
 	if (IS_ERR(t))
 		return PTR_ERR(t);
 
-	wait_event(journal->j_wait_done_commit, journal->j_task != 0);
+	wait_event(journal->j_wait_done_commit, journal->j_task != NULL);
 	return 0;
 }
 
@@ -231,7 +231,7 @@
 	while (journal->j_task) {
 		wake_up(&journal->j_wait_commit);
 		spin_unlock(&journal->j_state_lock);
-		wait_event(journal->j_wait_done_commit, journal->j_task == 0);
+		wait_event(journal->j_wait_done_commit, journal->j_task == NULL);
 		spin_lock(&journal->j_state_lock);
 	}
 	spin_unlock(&journal->j_state_lock);
@@ -1969,14 +1969,14 @@
 {
 	int retval;
 
-	J_ASSERT(jbd2_journal_head_cache == 0);
+	J_ASSERT(jbd2_journal_head_cache == NULL);
 	jbd2_journal_head_cache = kmem_cache_create("jbd2_journal_head",
 				sizeof(struct journal_head),
 				0,		/* offset */
 				SLAB_TEMPORARY,	/* flags */
 				NULL);		/* ctor */
 	retval = 0;
-	if (jbd2_journal_head_cache == 0) {
+	if (!jbd2_journal_head_cache) {
 		retval = -ENOMEM;
 		printk(KERN_EMERG "JBD: no memory for journal_head cache\n");
 	}
@@ -2002,14 +2002,14 @@
 	atomic_inc(&nr_journal_heads);
 #endif
 	ret = kmem_cache_alloc(jbd2_journal_head_cache, GFP_NOFS);
-	if (ret == 0) {
+	if (!ret) {
 		jbd_debug(1, "out of memory for journal_head\n");
 		if (time_after(jiffies, last_warning + 5*HZ)) {
 			printk(KERN_NOTICE "ENOMEM in %s, retrying.\n",
 			       __FUNCTION__);
 			last_warning = jiffies;
 		}
-		while (ret == 0) {
+		while (!ret) {
 			yield();
 			ret = kmem_cache_alloc(jbd2_journal_head_cache, GFP_NOFS);
 		}
diff --git a/fs/jbd2/revoke.c b/fs/jbd2/revoke.c
index df36f42..2e1453a 100644
--- a/fs/jbd2/revoke.c
+++ b/fs/jbd2/revoke.c
@@ -174,13 +174,13 @@
 					   0,
 					   SLAB_HWCACHE_ALIGN|SLAB_TEMPORARY,
 					   NULL);
-	if (jbd2_revoke_record_cache == 0)
+	if (!jbd2_revoke_record_cache)
 		return -ENOMEM;
 
 	jbd2_revoke_table_cache = kmem_cache_create("jbd2_revoke_table",
 					   sizeof(struct jbd2_revoke_table_s),
 					   0, SLAB_TEMPORARY, NULL);
-	if (jbd2_revoke_table_cache == 0) {
+	if (!jbd2_revoke_table_cache) {
 		kmem_cache_destroy(jbd2_revoke_record_cache);
 		jbd2_revoke_record_cache = NULL;
 		return -ENOMEM;
diff --git a/fs/reiserfs/do_balan.c b/fs/reiserfs/do_balan.c
index f85c5cf..7ee4208 100644
--- a/fs/reiserfs/do_balan.c
+++ b/fs/reiserfs/do_balan.c
@@ -283,7 +283,7 @@
 		return balance_leaf_when_delete(tb, flag);
 
 	zeros_num = 0;
-	if (flag == M_INSERT && body == 0)
+	if (flag == M_INSERT && !body)
 		zeros_num = ih_item_len(ih);
 
 	pos_in_item = tb->tb_path->pos_in_item;
@@ -1728,7 +1728,7 @@
 	struct buffer_info bi;
 
 	for (i = 0; i < MAX_FEB_SIZE; i++)
-		if (tb->FEB[i] != 0)
+		if (tb->FEB[i] != NULL)
 			break;
 
 	if (i == MAX_FEB_SIZE)
@@ -1827,7 +1827,7 @@
 {
 	int Sh_position = PATH_H_POSITION(tb->tb_path, h + 1);
 
-	RFALSE(PATH_H_PPARENT(tb->tb_path, h) == 0 || tb->FL[h] == 0,
+	RFALSE(PATH_H_PPARENT(tb->tb_path, h) == NULL || tb->FL[h] == NULL,
 	       "vs-12325: FL[%d](%p) or F[%d](%p) does not exist",
 	       h, tb->FL[h], h, PATH_H_PPARENT(tb->tb_path, h));
 
@@ -1841,7 +1841,7 @@
 {
 	int Sh_position = PATH_H_POSITION(tb->tb_path, h + 1);
 
-	RFALSE(PATH_H_PPARENT(tb->tb_path, h) == 0 || tb->FR[h] == 0,
+	RFALSE(PATH_H_PPARENT(tb->tb_path, h) == NULL || tb->FR[h] == NULL,
 	       "vs-12330: F[%d](%p) or FR[%d](%p) does not exist",
 	       h, PATH_H_PPARENT(tb->tb_path, h), h, tb->FR[h]);
 
diff --git a/fs/reiserfs/fix_node.c b/fs/reiserfs/fix_node.c
index 0ee35c6..07d05e0 100644
--- a/fs/reiserfs/fix_node.c
+++ b/fs/reiserfs/fix_node.c
@@ -153,7 +153,7 @@
 	if (vn->vn_mode == M_INSERT) {
 		struct virtual_item *vi = vn->vn_vi + vn->vn_affected_item_num;
 
-		RFALSE(vn->vn_ins_ih == 0,
+		RFALSE(vn->vn_ins_ih == NULL,
 		       "vs-8040: item header of inserted item is not specified");
 		vi->vi_item_len = tb->insert_size[0];
 		vi->vi_ih = vn->vn_ins_ih;
@@ -857,7 +857,8 @@
 	struct buffer_head *l, *f;
 	int order;
 
-	if ((f = PATH_H_PPARENT(tb->tb_path, h)) == 0 || (l = tb->FL[h]) == 0)
+	if ((f = PATH_H_PPARENT(tb->tb_path, h)) == NULL ||
+	    (l = tb->FL[h]) == NULL)
 		return 0;
 
 	if (f == l)
@@ -878,7 +879,8 @@
 	struct buffer_head *r, *f;
 	int order;
 
-	if ((f = PATH_H_PPARENT(tb->tb_path, h)) == 0 || (r = tb->FR[h]) == 0)
+	if ((f = PATH_H_PPARENT(tb->tb_path, h)) == NULL ||
+	    (r = tb->FR[h]) == NULL)
 		return 0;
 
 	if (f == r)
diff --git a/fs/reiserfs/lbalance.c b/fs/reiserfs/lbalance.c
index 281f806..6de060a 100644
--- a/fs/reiserfs/lbalance.c
+++ b/fs/reiserfs/lbalance.c
@@ -626,7 +626,7 @@
 			       "vs-10250: leaf_define_dest_src_infos: shift type is unknown (%d)",
 			       shift_mode);
 	}
-	RFALSE(src_bi->bi_bh == 0 || dest_bi->bi_bh == 0,
+	RFALSE(!src_bi->bi_bh || !dest_bi->bi_bh,
 	       "vs-10260: mode==%d, source (%p) or dest (%p) buffer is initialized incorrectly",
 	       shift_mode, src_bi->bi_bh, dest_bi->bi_bh);
 }
diff --git a/fs/reiserfs/namei.c b/fs/reiserfs/namei.c
index b378eea..8867533 100644
--- a/fs/reiserfs/namei.c
+++ b/fs/reiserfs/namei.c
@@ -452,7 +452,7 @@
 	buflen = DEH_SIZE + ROUND_UP(namelen);
 	if (buflen > sizeof(small_buf)) {
 		buffer = kmalloc(buflen, GFP_NOFS);
-		if (buffer == 0)
+		if (!buffer)
 			return -ENOMEM;
 	} else
 		buffer = small_buf;
diff --git a/fs/smbfs/smbiod.c b/fs/smbfs/smbiod.c
index fae8e85..6bd9b69 100644
--- a/fs/smbfs/smbiod.c
+++ b/fs/smbfs/smbiod.c
@@ -206,7 +206,7 @@
 
 	smb_close_socket(server);
 
-	if (pid == 0) {
+	if (!pid) {
 		/* FIXME: this is fatal, umount? */
 		printk(KERN_ERR "smb_retry: no connection process\n");
 		server->state = CONN_RETRIED;
diff --git a/include/asm-frv/system.h b/include/asm-frv/system.h
index b400cea..2c57f47 100644
--- a/include/asm-frv/system.h
+++ b/include/asm-frv/system.h
@@ -234,7 +234,7 @@
 		break;								\
 										\
 	default:								\
-		__xg_orig = 0;							\
+		__xg_orig = (__typeof__(__xg_orig))0;				\
 		asm volatile("break");						\
 		break;								\
 	}									\
@@ -259,7 +259,7 @@
 					 (__force uint32_t)__xg_test,		\
 					 (__force uint32_t)__xg_new); break;	\
 	default:								\
-		__xg_orig = 0;							\
+		__xg_orig = (__typeof__(__xg_orig))0;				\
 		asm volatile("break");						\
 		break;								\
 	}									\
diff --git a/include/linux/compat.h b/include/linux/compat.h
index a671dbf..8fa7857 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -192,8 +192,8 @@
 		struct compat_timeval __user *tvp);
 
 asmlinkage long compat_sys_wait4(compat_pid_t pid,
-				 compat_uint_t *stat_addr, int options,
-				 struct compat_rusage *ru);
+				 compat_uint_t __user *stat_addr, int options,
+				 struct compat_rusage __user *ru);
 
 #define BITS_PER_COMPAT_LONG    (8*sizeof(compat_long_t))
 
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index 261e43a..34d4406 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -423,7 +423,7 @@
 /* --- Helper iov-locking functions --- */
 
 struct dma_page_list {
-	char *base_address;
+	char __user *base_address;
 	int nr_pages;
 	struct page **pages;
 };
diff --git a/include/linux/ide.h b/include/linux/ide.h
index a3b69c1..bc26b2f 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -26,7 +26,7 @@
 #include <asm/semaphore.h>
 #include <asm/mutex.h>
 
-#if defined(CRIS) || defined(FRV)
+#if defined(CONFIG_CRIS) || defined(CONFIG_FRV)
 # define SUPPORT_VLB_SYNC 0
 #else
 # define SUPPORT_VLB_SYNC 1
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 269cdba..b064bfe 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -295,6 +295,7 @@
 	ATA_EH_SOFTRESET	= (1 << 1),
 	ATA_EH_HARDRESET	= (1 << 2),
 	ATA_EH_ENABLE_LINK	= (1 << 3),
+	ATA_EH_LPM		= (1 << 4),  /* link power management action */
 
 	ATA_EH_RESET_MASK	= ATA_EH_SOFTRESET | ATA_EH_HARDRESET,
 	ATA_EH_PERDEV_MASK	= ATA_EH_REVALIDATE,
@@ -304,7 +305,6 @@
 	ATA_EHI_RESUME_LINK	= (1 << 1),  /* resume link (reset modifier) */
 	ATA_EHI_NO_AUTOPSY	= (1 << 2),  /* no autopsy */
 	ATA_EHI_QUIET		= (1 << 3),  /* be quiet */
-	ATA_EHI_LPM		= (1 << 4),  /* link power management action */
 
 	ATA_EHI_DID_SOFTRESET	= (1 << 16), /* already soft-reset this port */
 	ATA_EHI_DID_HARDRESET	= (1 << 17), /* already soft-reset this port */
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index e9c2fb0..53d86b4 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -2082,7 +2082,7 @@
 
 		kfree(pidarray);
 	} else {
-		ctr->buf = 0;
+		ctr->buf = NULL;
 		ctr->bufsz = 0;
 	}
 	file->private_data = ctr;
@@ -2614,7 +2614,7 @@
 
 static int cgroupstats_open(struct inode *inode, struct file *file)
 {
-	return single_open(file, proc_cgroupstats_show, 0);
+	return single_open(file, proc_cgroupstats_show, NULL);
 }
 
 static struct file_operations proc_cgroupstats_operations = {
diff --git a/kernel/futex.c b/kernel/futex.c
index 87a6428..e43945e 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -281,7 +281,7 @@
  */
 static void get_futex_key_refs(union futex_key *key)
 {
-	if (key->both.ptr == 0)
+	if (key->both.ptr == NULL)
 		return;
 	switch (key->both.offset & (FUT_OFF_INODE|FUT_OFF_MMSHARED)) {
 		case FUT_OFF_INODE:
diff --git a/kernel/futex_compat.c b/kernel/futex_compat.c
index ff90f04..04ac3a9 100644
--- a/kernel/futex_compat.c
+++ b/kernel/futex_compat.c
@@ -30,7 +30,7 @@
 	return 0;
 }
 
-static void __user *futex_uaddr(struct robust_list *entry,
+static void __user *futex_uaddr(struct robust_list __user *entry,
 				compat_long_t futex_offset)
 {
 	compat_uptr_t base = ptr_to_compat(entry);
diff --git a/mm/sparse-vmemmap.c b/mm/sparse-vmemmap.c
index cd75b21..99c4f36 100644
--- a/mm/sparse-vmemmap.c
+++ b/mm/sparse-vmemmap.c
@@ -76,7 +76,7 @@
 		pte_t entry;
 		void *p = vmemmap_alloc_block(PAGE_SIZE, node);
 		if (!p)
-			return 0;
+			return NULL;
 		entry = pfn_pte(__pa(p) >> PAGE_SHIFT, PAGE_KERNEL);
 		set_pte_at(&init_mm, addr, pte, entry);
 	}
@@ -89,7 +89,7 @@
 	if (pmd_none(*pmd)) {
 		void *p = vmemmap_alloc_block(PAGE_SIZE, node);
 		if (!p)
-			return 0;
+			return NULL;
 		pmd_populate_kernel(&init_mm, pmd, p);
 	}
 	return pmd;
@@ -101,7 +101,7 @@
 	if (pud_none(*pud)) {
 		void *p = vmemmap_alloc_block(PAGE_SIZE, node);
 		if (!p)
-			return 0;
+			return NULL;
 		pud_populate(&init_mm, pud, p);
 	}
 	return pud;
@@ -113,7 +113,7 @@
 	if (pgd_none(*pgd)) {
 		void *p = vmemmap_alloc_block(PAGE_SIZE, node);
 		if (!p)
-			return 0;
+			return NULL;
 		pgd_populate(&init_mm, pgd, p);
 	}
 	return pgd;
diff --git a/net/rxrpc/ar-internal.h b/net/rxrpc/ar-internal.h
index 1aaa2e8..126ca77 100644
--- a/net/rxrpc/ar-internal.h
+++ b/net/rxrpc/ar-internal.h
@@ -23,7 +23,7 @@
 struct rxrpc_crypt {
 	union {
 		u8	x[FCRYPT_BSIZE];
-		u32	n[2];
+		__be32	n[2];
 	};
 } __attribute__((aligned(8)));
 
diff --git a/net/rxrpc/rxkad.c b/net/rxrpc/rxkad.c
index f48434a..d1c296f 100644
--- a/net/rxrpc/rxkad.c
+++ b/net/rxrpc/rxkad.c
@@ -261,6 +261,7 @@
 		__be32 x[2];
 	} tmpbuf __attribute__((aligned(8))); /* must all be in same page */
 	__be32 x;
+	u32 y;
 	int ret;
 
 	sp = rxrpc_skb(skb);
@@ -292,11 +293,11 @@
 	sg_init_one(&sg[1], &tmpbuf, sizeof(tmpbuf));
 	crypto_blkcipher_encrypt_iv(&desc, &sg[0], &sg[1], sizeof(tmpbuf));
 
-	x = ntohl(tmpbuf.x[1]);
-	x = (x >> 16) & 0xffff;
-	if (x == 0)
-		x = 1; /* zero checksums are not permitted */
-	sp->hdr.cksum = htons(x);
+	y = ntohl(tmpbuf.x[1]);
+	y = (y >> 16) & 0xffff;
+	if (y == 0)
+		y = 1; /* zero checksums are not permitted */
+	sp->hdr.cksum = htons(y);
 
 	switch (call->conn->security_level) {
 	case RXRPC_SECURITY_PLAIN:
@@ -314,7 +315,7 @@
 		break;
 	}
 
-	_leave(" = %d [set %hx]", ret, x);
+	_leave(" = %d [set %hx]", ret, y);
 	return ret;
 }
 
@@ -492,6 +493,7 @@
 		__be32 x[2];
 	} tmpbuf __attribute__((aligned(8))); /* must all be in same page */
 	__be32 x;
+	u16 y;
 	__be16 cksum;
 	int ret;
 
@@ -526,12 +528,12 @@
 	sg_init_one(&sg[1], &tmpbuf, sizeof(tmpbuf));
 	crypto_blkcipher_encrypt_iv(&desc, &sg[0], &sg[1], sizeof(tmpbuf));
 
-	x = ntohl(tmpbuf.x[1]);
-	x = (x >> 16) & 0xffff;
-	if (x == 0)
-		x = 1; /* zero checksums are not permitted */
+	y = ntohl(tmpbuf.x[1]);
+	y = (y >> 16) & 0xffff;
+	if (y == 0)
+		y = 1; /* zero checksums are not permitted */
 
-	cksum = htons(x);
+	cksum = htons(y);
 	if (sp->hdr.cksum != cksum) {
 		*_abort_code = RXKADSEALEDINCON;
 		_leave(" = -EPROTO [csum failed]");
@@ -1001,7 +1003,8 @@
 	struct rxrpc_crypt session_key;
 	time_t expiry;
 	void *ticket;
-	u32 abort_code, version, kvno, ticket_len, csum, level;
+	u32 abort_code, version, kvno, ticket_len, level;
+	__be32 csum;
 	int ret;
 
 	_enter("{%d,%x}", conn->debug_id, key_serial(conn->server_key));