Merge branch 'audit.b61' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/audit-current
* 'audit.b61' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/audit-current:
audit: validate comparison operations, store them in sane form
clean up audit_rule_{add,del} a bit
make sure that filterkey of task,always rules is reported
audit rules ordering, part 2
fixing audit rule ordering mess, part 1
audit_update_lsm_rules() misses the audit_inode_hash[] ones
sanitize audit_log_capset()
sanitize audit_fd_pair()
sanitize audit_mq_open()
sanitize AUDIT_MQ_SENDRECV
sanitize audit_mq_notify()
sanitize audit_mq_getsetattr()
sanitize audit_ipc_set_perm()
sanitize audit_ipc_obj()
sanitize audit_socketcall
don't reallocate buffer in every audit_sockaddr()
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index 123092d..165a818 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -102,9 +102,13 @@
depends on RTC_INTF_DEV
help
Provides an emulation for RTC_UIE if the underlying rtc chip
- driver does not expose RTC_UIE ioctls. Those requests generate
+ driver does not expose RTC_UIE ioctls. Those requests generate
once-per-second update interrupts, used for synchronization.
+ The emulation code will read the time from the hardware
+ clock several times per second, please enable this option
+ only if you know that you really need it.
+
config RTC_DRV_TEST
tristate "Test driver/device"
help
diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c
index a04c1b6..fd2c652 100644
--- a/drivers/rtc/interface.c
+++ b/drivers/rtc/interface.c
@@ -307,6 +307,60 @@
}
EXPORT_SYMBOL_GPL(rtc_set_alarm);
+int rtc_alarm_irq_enable(struct rtc_device *rtc, unsigned int enabled)
+{
+ int err = mutex_lock_interruptible(&rtc->ops_lock);
+ if (err)
+ return err;
+
+ if (!rtc->ops)
+ err = -ENODEV;
+ else if (!rtc->ops->alarm_irq_enable)
+ err = -EINVAL;
+ else
+ err = rtc->ops->alarm_irq_enable(rtc->dev.parent, enabled);
+
+ mutex_unlock(&rtc->ops_lock);
+ return err;
+}
+EXPORT_SYMBOL_GPL(rtc_alarm_irq_enable);
+
+int rtc_update_irq_enable(struct rtc_device *rtc, unsigned int enabled)
+{
+ int err = mutex_lock_interruptible(&rtc->ops_lock);
+ if (err)
+ return err;
+
+#ifdef CONFIG_RTC_INTF_DEV_UIE_EMUL
+ if (enabled == 0 && rtc->uie_irq_active) {
+ mutex_unlock(&rtc->ops_lock);
+ return rtc_dev_update_irq_enable_emul(rtc, enabled);
+ }
+#endif
+
+ if (!rtc->ops)
+ err = -ENODEV;
+ else if (!rtc->ops->update_irq_enable)
+ err = -EINVAL;
+ else
+ err = rtc->ops->update_irq_enable(rtc->dev.parent, enabled);
+
+ mutex_unlock(&rtc->ops_lock);
+
+#ifdef CONFIG_RTC_INTF_DEV_UIE_EMUL
+ /*
+ * Enable emulation if the driver did not provide
+ * the update_irq_enable function pointer or if returned
+ * -EINVAL to signal that it has been configured without
+ * interrupts or that are not available at the moment.
+ */
+ if (err == -EINVAL)
+ err = rtc_dev_update_irq_enable_emul(rtc, enabled);
+#endif
+ return err;
+}
+EXPORT_SYMBOL_GPL(rtc_update_irq_enable);
+
/**
* rtc_update_irq - report RTC periodic, alarm, and/or update irqs
* @rtc: the rtc device
diff --git a/drivers/rtc/rtc-dev.c b/drivers/rtc/rtc-dev.c
index ecdea44..45152f4 100644
--- a/drivers/rtc/rtc-dev.c
+++ b/drivers/rtc/rtc-dev.c
@@ -92,10 +92,10 @@
spin_unlock_irqrestore(&rtc->irq_lock, flags);
}
-static void clear_uie(struct rtc_device *rtc)
+static int clear_uie(struct rtc_device *rtc)
{
spin_lock_irq(&rtc->irq_lock);
- if (rtc->irq_active) {
+ if (rtc->uie_irq_active) {
rtc->stop_uie_polling = 1;
if (rtc->uie_timer_active) {
spin_unlock_irq(&rtc->irq_lock);
@@ -108,9 +108,10 @@
flush_scheduled_work();
spin_lock_irq(&rtc->irq_lock);
}
- rtc->irq_active = 0;
+ rtc->uie_irq_active = 0;
}
spin_unlock_irq(&rtc->irq_lock);
+ return 0;
}
static int set_uie(struct rtc_device *rtc)
@@ -122,8 +123,8 @@
if (err)
return err;
spin_lock_irq(&rtc->irq_lock);
- if (!rtc->irq_active) {
- rtc->irq_active = 1;
+ if (!rtc->uie_irq_active) {
+ rtc->uie_irq_active = 1;
rtc->stop_uie_polling = 0;
rtc->oldsecs = tm.tm_sec;
rtc->uie_task_active = 1;
@@ -134,6 +135,16 @@
spin_unlock_irq(&rtc->irq_lock);
return 0;
}
+
+int rtc_dev_update_irq_enable_emul(struct rtc_device *rtc, unsigned int enabled)
+{
+ if (enabled)
+ return set_uie(rtc);
+ else
+ return clear_uie(rtc);
+}
+EXPORT_SYMBOL(rtc_dev_update_irq_enable_emul);
+
#endif /* CONFIG_RTC_INTF_DEV_UIE_EMUL */
static ssize_t
@@ -357,6 +368,22 @@
err = rtc_irq_set_state(rtc, NULL, 0);
break;
+ case RTC_AIE_ON:
+ mutex_unlock(&rtc->ops_lock);
+ return rtc_alarm_irq_enable(rtc, 1);
+
+ case RTC_AIE_OFF:
+ mutex_unlock(&rtc->ops_lock);
+ return rtc_alarm_irq_enable(rtc, 0);
+
+ case RTC_UIE_ON:
+ mutex_unlock(&rtc->ops_lock);
+ return rtc_update_irq_enable(rtc, 1);
+
+ case RTC_UIE_OFF:
+ mutex_unlock(&rtc->ops_lock);
+ return rtc_update_irq_enable(rtc, 0);
+
case RTC_IRQP_SET:
err = rtc_irq_set_freq(rtc, NULL, arg);
break;
@@ -401,17 +428,6 @@
err = -EFAULT;
return err;
-#ifdef CONFIG_RTC_INTF_DEV_UIE_EMUL
- case RTC_UIE_OFF:
- mutex_unlock(&rtc->ops_lock);
- clear_uie(rtc);
- return 0;
-
- case RTC_UIE_ON:
- mutex_unlock(&rtc->ops_lock);
- err = set_uie(rtc);
- return err;
-#endif
default:
err = -ENOTTY;
break;
@@ -440,7 +456,10 @@
* Leave the alarm alone; it may be set to trigger a system wakeup
* later, or be used by kernel code, and is a one-shot event anyway.
*/
+
+ /* Keep ioctl until all drivers are converted */
rtc_dev_ioctl(file, RTC_UIE_OFF, 0);
+ rtc_update_irq_enable(rtc, 0);
rtc_irq_set_state(rtc, NULL, 0);
if (rtc->ops->release)
diff --git a/drivers/video/via/viafbdev.c b/drivers/video/via/viafbdev.c
index 73ac754..e21fe5b 100644
--- a/drivers/video/via/viafbdev.c
+++ b/drivers/video/via/viafbdev.c
@@ -546,23 +546,25 @@
static int viafb_ioctl(struct fb_info *info, u_int cmd, u_long arg)
{
- struct viafb_ioctl_mode viamode;
- struct viafb_ioctl_samm viasamm;
- struct viafb_driver_version driver_version;
- struct fb_var_screeninfo sec_var;
- struct _panel_size_pos_info panel_pos_size_para;
+ union {
+ struct viafb_ioctl_mode viamode;
+ struct viafb_ioctl_samm viasamm;
+ struct viafb_driver_version driver_version;
+ struct fb_var_screeninfo sec_var;
+ struct _panel_size_pos_info panel_pos_size_para;
+ struct viafb_ioctl_setting viafb_setting;
+ struct device_t active_dev;
+ } u;
u32 state_info = 0;
- u32 viainfo_size = sizeof(struct viafb_ioctl_info);
u32 *viafb_gamma_table;
char driver_name[] = "viafb";
u32 __user *argp = (u32 __user *) arg;
u32 gpu32;
u32 video_dev_info = 0;
- struct viafb_ioctl_setting viafb_setting = {};
- struct device_t active_dev = {};
DEBUG_MSG(KERN_INFO "viafb_ioctl: 0x%X !!\n", cmd);
+ memset(&u, 0, sizeof(u));
switch (cmd) {
case VIAFB_GET_CHIP_INFO:
@@ -571,7 +573,7 @@
return -EFAULT;
break;
case VIAFB_GET_INFO_SIZE:
- return put_user(viainfo_size, argp);
+ return put_user((u32)sizeof(struct viafb_ioctl_info), argp);
case VIAFB_GET_INFO:
return viafb_ioctl_get_viafb_info(arg);
case VIAFB_HOTPLUG:
@@ -584,60 +586,60 @@
viafb_hotplug = (gpu32) ? 1 : 0;
break;
case VIAFB_GET_RESOLUTION:
- viamode.xres = (u32) viafb_hotplug_Xres;
- viamode.yres = (u32) viafb_hotplug_Yres;
- viamode.refresh = (u32) viafb_hotplug_refresh;
- viamode.bpp = (u32) viafb_hotplug_bpp;
+ u.viamode.xres = (u32) viafb_hotplug_Xres;
+ u.viamode.yres = (u32) viafb_hotplug_Yres;
+ u.viamode.refresh = (u32) viafb_hotplug_refresh;
+ u.viamode.bpp = (u32) viafb_hotplug_bpp;
if (viafb_SAMM_ON == 1) {
- viamode.xres_sec = viafb_second_xres;
- viamode.yres_sec = viafb_second_yres;
- viamode.virtual_xres_sec = viafb_second_virtual_xres;
- viamode.virtual_yres_sec = viafb_second_virtual_yres;
- viamode.refresh_sec = viafb_refresh1;
- viamode.bpp_sec = viafb_bpp1;
+ u.viamode.xres_sec = viafb_second_xres;
+ u.viamode.yres_sec = viafb_second_yres;
+ u.viamode.virtual_xres_sec = viafb_second_virtual_xres;
+ u.viamode.virtual_yres_sec = viafb_second_virtual_yres;
+ u.viamode.refresh_sec = viafb_refresh1;
+ u.viamode.bpp_sec = viafb_bpp1;
} else {
- viamode.xres_sec = 0;
- viamode.yres_sec = 0;
- viamode.virtual_xres_sec = 0;
- viamode.virtual_yres_sec = 0;
- viamode.refresh_sec = 0;
- viamode.bpp_sec = 0;
+ u.viamode.xres_sec = 0;
+ u.viamode.yres_sec = 0;
+ u.viamode.virtual_xres_sec = 0;
+ u.viamode.virtual_yres_sec = 0;
+ u.viamode.refresh_sec = 0;
+ u.viamode.bpp_sec = 0;
}
- if (copy_to_user(argp, &viamode, sizeof(viamode)))
+ if (copy_to_user(argp, &u.viamode, sizeof(u.viamode)))
return -EFAULT;
break;
case VIAFB_GET_SAMM_INFO:
- viasamm.samm_status = viafb_SAMM_ON;
+ u.viasamm.samm_status = viafb_SAMM_ON;
if (viafb_SAMM_ON == 1) {
if (viafb_dual_fb) {
- viasamm.size_prim = viaparinfo->fbmem_free;
- viasamm.size_sec = viaparinfo1->fbmem_free;
+ u.viasamm.size_prim = viaparinfo->fbmem_free;
+ u.viasamm.size_sec = viaparinfo1->fbmem_free;
} else {
if (viafb_second_size) {
- viasamm.size_prim =
+ u.viasamm.size_prim =
viaparinfo->fbmem_free -
viafb_second_size * 1024 * 1024;
- viasamm.size_sec =
+ u.viasamm.size_sec =
viafb_second_size * 1024 * 1024;
} else {
- viasamm.size_prim =
+ u.viasamm.size_prim =
viaparinfo->fbmem_free >> 1;
- viasamm.size_sec =
+ u.viasamm.size_sec =
(viaparinfo->fbmem_free >> 1);
}
}
- viasamm.mem_base = viaparinfo->fbmem;
- viasamm.offset_sec = viafb_second_offset;
+ u.viasamm.mem_base = viaparinfo->fbmem;
+ u.viasamm.offset_sec = viafb_second_offset;
} else {
- viasamm.size_prim =
+ u.viasamm.size_prim =
viaparinfo->memsize - viaparinfo->fbmem_used;
- viasamm.size_sec = 0;
- viasamm.mem_base = viaparinfo->fbmem;
- viasamm.offset_sec = 0;
+ u.viasamm.size_sec = 0;
+ u.viasamm.mem_base = viaparinfo->fbmem;
+ u.viasamm.offset_sec = 0;
}
- if (copy_to_user(argp, &viasamm, sizeof(viasamm)))
+ if (copy_to_user(argp, &u.viasamm, sizeof(u.viasamm)))
return -EFAULT;
break;
@@ -662,74 +664,75 @@
viafb_lcd_disable();
break;
case VIAFB_SET_DEVICE:
- if (copy_from_user(&active_dev, (void *)argp,
- sizeof(active_dev)))
+ if (copy_from_user(&u.active_dev, (void *)argp,
+ sizeof(u.active_dev)))
return -EFAULT;
- viafb_set_device(active_dev);
+ viafb_set_device(u.active_dev);
viafb_set_par(info);
break;
case VIAFB_GET_DEVICE:
- active_dev.crt = viafb_CRT_ON;
- active_dev.dvi = viafb_DVI_ON;
- active_dev.lcd = viafb_LCD_ON;
- active_dev.samm = viafb_SAMM_ON;
- active_dev.primary_dev = viafb_primary_dev;
+ u.active_dev.crt = viafb_CRT_ON;
+ u.active_dev.dvi = viafb_DVI_ON;
+ u.active_dev.lcd = viafb_LCD_ON;
+ u.active_dev.samm = viafb_SAMM_ON;
+ u.active_dev.primary_dev = viafb_primary_dev;
- active_dev.lcd_dsp_cent = viafb_lcd_dsp_method;
- active_dev.lcd_panel_id = viafb_lcd_panel_id;
- active_dev.lcd_mode = viafb_lcd_mode;
+ u.active_dev.lcd_dsp_cent = viafb_lcd_dsp_method;
+ u.active_dev.lcd_panel_id = viafb_lcd_panel_id;
+ u.active_dev.lcd_mode = viafb_lcd_mode;
- active_dev.xres = viafb_hotplug_Xres;
- active_dev.yres = viafb_hotplug_Yres;
+ u.active_dev.xres = viafb_hotplug_Xres;
+ u.active_dev.yres = viafb_hotplug_Yres;
- active_dev.xres1 = viafb_second_xres;
- active_dev.yres1 = viafb_second_yres;
+ u.active_dev.xres1 = viafb_second_xres;
+ u.active_dev.yres1 = viafb_second_yres;
- active_dev.bpp = viafb_bpp;
- active_dev.bpp1 = viafb_bpp1;
- active_dev.refresh = viafb_refresh;
- active_dev.refresh1 = viafb_refresh1;
+ u.active_dev.bpp = viafb_bpp;
+ u.active_dev.bpp1 = viafb_bpp1;
+ u.active_dev.refresh = viafb_refresh;
+ u.active_dev.refresh1 = viafb_refresh1;
- active_dev.epia_dvi = viafb_platform_epia_dvi;
- active_dev.lcd_dual_edge = viafb_device_lcd_dualedge;
- active_dev.bus_width = viafb_bus_width;
+ u.active_dev.epia_dvi = viafb_platform_epia_dvi;
+ u.active_dev.lcd_dual_edge = viafb_device_lcd_dualedge;
+ u.active_dev.bus_width = viafb_bus_width;
- if (copy_to_user(argp, &active_dev, sizeof(active_dev)))
+ if (copy_to_user(argp, &u.active_dev, sizeof(u.active_dev)))
return -EFAULT;
break;
case VIAFB_GET_DRIVER_VERSION:
- driver_version.iMajorNum = VERSION_MAJOR;
- driver_version.iKernelNum = VERSION_KERNEL;
- driver_version.iOSNum = VERSION_OS;
- driver_version.iMinorNum = VERSION_MINOR;
+ u.driver_version.iMajorNum = VERSION_MAJOR;
+ u.driver_version.iKernelNum = VERSION_KERNEL;
+ u.driver_version.iOSNum = VERSION_OS;
+ u.driver_version.iMinorNum = VERSION_MINOR;
- if (copy_to_user(argp, &driver_version,
- sizeof(driver_version)))
+ if (copy_to_user(argp, &u.driver_version,
+ sizeof(u.driver_version)))
return -EFAULT;
break;
case VIAFB_SET_DEVICE_INFO:
- if (copy_from_user(&viafb_setting,
- argp, sizeof(viafb_setting)))
+ if (copy_from_user(&u.viafb_setting,
+ argp, sizeof(u.viafb_setting)))
return -EFAULT;
- if (apply_device_setting(viafb_setting, info) < 0)
+ if (apply_device_setting(u.viafb_setting, info) < 0)
return -EINVAL;
break;
case VIAFB_SET_SECOND_MODE:
- if (copy_from_user(&sec_var, argp, sizeof(sec_var)))
+ if (copy_from_user(&u.sec_var, argp, sizeof(u.sec_var)))
return -EFAULT;
- apply_second_mode_setting(&sec_var);
+ apply_second_mode_setting(&u.sec_var);
break;
case VIAFB_GET_DEVICE_INFO:
- retrieve_device_setting(&viafb_setting);
+ retrieve_device_setting(&u.viafb_setting);
- if (copy_to_user(argp, &viafb_setting, sizeof(viafb_setting)))
+ if (copy_to_user(argp, &u.viafb_setting,
+ sizeof(u.viafb_setting)))
return -EFAULT;
break;
@@ -806,51 +809,51 @@
break;
case VIAFB_GET_PANEL_MAX_SIZE:
- if (copy_from_user
- (&panel_pos_size_para, argp, sizeof(panel_pos_size_para)))
+ if (copy_from_user(&u.panel_pos_size_para, argp,
+ sizeof(u.panel_pos_size_para)))
return -EFAULT;
- panel_pos_size_para.x = panel_pos_size_para.y = 0;
- if (copy_to_user(argp, &panel_pos_size_para,
- sizeof(panel_pos_size_para)))
+ u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
+ if (copy_to_user(argp, &u.panel_pos_size_para,
+ sizeof(u.panel_pos_size_para)))
return -EFAULT;
break;
case VIAFB_GET_PANEL_MAX_POSITION:
- if (copy_from_user
- (&panel_pos_size_para, argp, sizeof(panel_pos_size_para)))
+ if (copy_from_user(&u.panel_pos_size_para, argp,
+ sizeof(u.panel_pos_size_para)))
return -EFAULT;
- panel_pos_size_para.x = panel_pos_size_para.y = 0;
- if (copy_to_user(argp, &panel_pos_size_para,
- sizeof(panel_pos_size_para)))
+ u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
+ if (copy_to_user(argp, &u.panel_pos_size_para,
+ sizeof(u.panel_pos_size_para)))
return -EFAULT;
break;
case VIAFB_GET_PANEL_POSITION:
- if (copy_from_user
- (&panel_pos_size_para, argp, sizeof(panel_pos_size_para)))
+ if (copy_from_user(&u.panel_pos_size_para, argp,
+ sizeof(u.panel_pos_size_para)))
return -EFAULT;
- panel_pos_size_para.x = panel_pos_size_para.y = 0;
- if (copy_to_user(argp, &panel_pos_size_para,
- sizeof(panel_pos_size_para)))
+ u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
+ if (copy_to_user(argp, &u.panel_pos_size_para,
+ sizeof(u.panel_pos_size_para)))
return -EFAULT;
break;
case VIAFB_GET_PANEL_SIZE:
- if (copy_from_user
- (&panel_pos_size_para, argp, sizeof(panel_pos_size_para)))
+ if (copy_from_user(&u.panel_pos_size_para, argp,
+ sizeof(u.panel_pos_size_para)))
return -EFAULT;
- panel_pos_size_para.x = panel_pos_size_para.y = 0;
- if (copy_to_user(argp, &panel_pos_size_para,
- sizeof(panel_pos_size_para)))
+ u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
+ if (copy_to_user(argp, &u.panel_pos_size_para,
+ sizeof(u.panel_pos_size_para)))
return -EFAULT;
break;
case VIAFB_SET_PANEL_POSITION:
- if (copy_from_user
- (&panel_pos_size_para, argp, sizeof(panel_pos_size_para)))
+ if (copy_from_user(&u.panel_pos_size_para, argp,
+ sizeof(u.panel_pos_size_para)))
return -EFAULT;
break;
case VIAFB_SET_PANEL_SIZE:
- if (copy_from_user
- (&panel_pos_size_para, argp, sizeof(panel_pos_size_para)))
+ if (copy_from_user(&u.panel_pos_size_para, argp,
+ sizeof(u.panel_pos_size_para)))
return -EFAULT;
break;
@@ -1052,10 +1055,8 @@
static int viafb_cursor(struct fb_info *info, struct fb_cursor *cursor)
{
- u8 data[CURSOR_SIZE / 8];
- u32 data_bak[CURSOR_SIZE / 32];
u32 temp, xx, yy, bg_col = 0, fg_col = 0;
- int size, i, j = 0;
+ int i, j = 0;
static int hw_cursor;
struct viafb_par *p_viafb_par;
@@ -1178,22 +1179,29 @@
}
if (cursor->set & FB_CUR_SETSHAPE) {
- size =
+ struct {
+ u8 data[CURSOR_SIZE / 8];
+ u32 bak[CURSOR_SIZE / 32];
+ } *cr_data = kzalloc(sizeof(*cr_data), GFP_ATOMIC);
+ int size =
((viacursor.image.width + 7) >> 3) *
viacursor.image.height;
+ if (cr_data == NULL)
+ goto out;
+
if (MAX_CURS == 32) {
for (i = 0; i < (CURSOR_SIZE / 32); i++) {
- data_bak[i] = 0x0;
- data_bak[i + 1] = 0xFFFFFFFF;
+ cr_data->bak[i] = 0x0;
+ cr_data->bak[i + 1] = 0xFFFFFFFF;
i += 1;
}
} else if (MAX_CURS == 64) {
for (i = 0; i < (CURSOR_SIZE / 32); i++) {
- data_bak[i] = 0x0;
- data_bak[i + 1] = 0x0;
- data_bak[i + 2] = 0xFFFFFFFF;
- data_bak[i + 3] = 0xFFFFFFFF;
+ cr_data->bak[i] = 0x0;
+ cr_data->bak[i + 1] = 0x0;
+ cr_data->bak[i + 2] = 0xFFFFFFFF;
+ cr_data->bak[i + 3] = 0xFFFFFFFF;
i += 3;
}
}
@@ -1201,12 +1209,12 @@
switch (viacursor.rop) {
case ROP_XOR:
for (i = 0; i < size; i++)
- data[i] = viacursor.mask[i];
+ cr_data->data[i] = viacursor.mask[i];
break;
case ROP_COPY:
for (i = 0; i < size; i++)
- data[i] = viacursor.mask[i];
+ cr_data->data[i] = viacursor.mask[i];
break;
default:
break;
@@ -1214,23 +1222,25 @@
if (MAX_CURS == 32) {
for (i = 0; i < size; i++) {
- data_bak[j] = (u32) data[i];
- data_bak[j + 1] = ~data_bak[j];
+ cr_data->bak[j] = (u32) cr_data->data[i];
+ cr_data->bak[j + 1] = ~cr_data->bak[j];
j += 2;
}
} else if (MAX_CURS == 64) {
for (i = 0; i < size; i++) {
- data_bak[j] = (u32) data[i];
- data_bak[j + 1] = 0x0;
- data_bak[j + 2] = ~data_bak[j];
- data_bak[j + 3] = ~data_bak[j + 1];
+ cr_data->bak[j] = (u32) cr_data->data[i];
+ cr_data->bak[j + 1] = 0x0;
+ cr_data->bak[j + 2] = ~cr_data->bak[j];
+ cr_data->bak[j + 3] = ~cr_data->bak[j + 1];
j += 4;
}
}
memcpy(((struct viafb_par *)(info->par))->fbmem_virt +
((struct viafb_par *)(info->par))->cursor_start,
- data_bak, CURSOR_SIZE);
+ cr_data->bak, CURSOR_SIZE);
+out:
+ kfree(cr_data);
}
if (viacursor.enable)
diff --git a/fs/affs/file.c b/fs/affs/file.c
index 1377b12..9246cb4 100644
--- a/fs/affs/file.c
+++ b/fs/affs/file.c
@@ -628,7 +628,7 @@
}
index = pos >> PAGE_CACHE_SHIFT;
- page = __grab_cache_page(mapping, index);
+ page = grab_cache_page_write_begin(mapping, index, flags);
if (!page)
return -ENOMEM;
*pagep = page;
diff --git a/fs/afs/write.c b/fs/afs/write.c
index d6b85da..3fb36d4 100644
--- a/fs/afs/write.c
+++ b/fs/afs/write.c
@@ -144,7 +144,7 @@
candidate->state = AFS_WBACK_PENDING;
init_waitqueue_head(&candidate->waitq);
- page = __grab_cache_page(mapping, index);
+ page = grab_cache_page_write_begin(mapping, index, flags);
if (!page) {
kfree(candidate);
return -ENOMEM;
diff --git a/fs/buffer.c b/fs/buffer.c
index 776ae09..a13f09b 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -1996,7 +1996,7 @@
page = *pagep;
if (page == NULL) {
ownpage = 1;
- page = __grab_cache_page(mapping, index);
+ page = grab_cache_page_write_begin(mapping, index, flags);
if (!page) {
status = -ENOMEM;
goto out;
@@ -2502,7 +2502,7 @@
from = pos & (PAGE_CACHE_SIZE - 1);
to = from + len;
- page = __grab_cache_page(mapping, index);
+ page = grab_cache_page_write_begin(mapping, index, flags);
if (!page)
return -ENOMEM;
*pagep = page;
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index b1e1fc6..12bb656 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -2074,7 +2074,7 @@
cFYI(1, ("write_begin from %lld len %d", (long long)pos, len));
- page = __grab_cache_page(mapping, index);
+ page = grab_cache_page_write_begin(mapping, index, flags);
if (!page) {
rc = -ENOMEM;
goto out;
diff --git a/fs/ecryptfs/mmap.c b/fs/ecryptfs/mmap.c
index 04d7b3f..46cec2b 100644
--- a/fs/ecryptfs/mmap.c
+++ b/fs/ecryptfs/mmap.c
@@ -288,7 +288,7 @@
loff_t prev_page_end_size;
int rc = 0;
- page = __grab_cache_page(mapping, index);
+ page = grab_cache_page_write_begin(mapping, index, flags);
if (!page)
return -ENOMEM;
*pagep = page;
diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c
index c4bdccf..5fa453b 100644
--- a/fs/ext3/inode.c
+++ b/fs/ext3/inode.c
@@ -1161,7 +1161,7 @@
to = from + len;
retry:
- page = __grab_cache_page(mapping, index);
+ page = grab_cache_page_write_begin(mapping, index, flags);
if (!page)
return -ENOMEM;
*pagep = page;
diff --git a/fs/ext3/namei.c b/fs/ext3/namei.c
index 297ea8d..1dd2abe 100644
--- a/fs/ext3/namei.c
+++ b/fs/ext3/namei.c
@@ -2175,8 +2175,7 @@
* We have a transaction open. All is sweetness. It also sets
* i_size in generic_commit_write().
*/
- err = __page_symlink(inode, symname, l,
- mapping_gfp_mask(inode->i_mapping) & ~__GFP_FS);
+ err = __page_symlink(inode, symname, l, 1);
if (err) {
drop_nlink(inode);
unlock_new_inode(inode);
diff --git a/fs/ext4/ext4_sb.h b/fs/ext4/ext4_sb.h
index 445fde6..b21f167 100644
--- a/fs/ext4/ext4_sb.h
+++ b/fs/ext4/ext4_sb.h
@@ -146,4 +146,10 @@
struct flex_groups *s_flex_groups;
};
+static inline spinlock_t *
+sb_bgl_lock(struct ext4_sb_info *sbi, unsigned int block_group)
+{
+ return bgl_lock_ptr(&sbi->s_blockgroup_lock, block_group);
+}
+
#endif /* _EXT4_SB */
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 7c3325e..6702a49 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -1346,7 +1346,7 @@
goto out;
}
- page = __grab_cache_page(mapping, index);
+ page = grab_cache_page_write_begin(mapping, index, flags);
if (!page) {
ext4_journal_stop(handle);
ret = -ENOMEM;
@@ -2550,7 +2550,7 @@
goto out;
}
- page = __grab_cache_page(mapping, index);
+ page = grab_cache_page_write_begin(mapping, index, flags);
if (!page) {
ext4_journal_stop(handle);
ret = -ENOMEM;
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index da98a90..9fd2a5e 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -2212,8 +2212,7 @@
* We have a transaction open. All is sweetness. It also sets
* i_size in generic_commit_write().
*/
- err = __page_symlink(inode, symname, l,
- mapping_gfp_mask(inode->i_mapping) & ~__GFP_FS);
+ err = __page_symlink(inode, symname, l, 1);
if (err) {
clear_nlink(inode);
unlock_new_inode(inode);
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 34930a9..4c9ee70 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -646,7 +646,7 @@
{
pgoff_t index = pos >> PAGE_CACHE_SHIFT;
- *pagep = __grab_cache_page(mapping, index);
+ *pagep = grab_cache_page_write_begin(mapping, index, flags);
if (!*pagep)
return -ENOMEM;
return 0;
@@ -779,7 +779,7 @@
break;
err = -ENOMEM;
- page = __grab_cache_page(mapping, index);
+ page = grab_cache_page_write_begin(mapping, index, 0);
if (!page)
break;
diff --git a/fs/gfs2/ops_address.c b/fs/gfs2/ops_address.c
index 2756381..15f710f 100644
--- a/fs/gfs2/ops_address.c
+++ b/fs/gfs2/ops_address.c
@@ -675,7 +675,7 @@
goto out_trans_fail;
error = -ENOMEM;
- page = __grab_cache_page(mapping, index);
+ page = grab_cache_page_write_begin(mapping, index, flags);
*pagep = page;
if (unlikely(!page))
goto out_endtrans;
diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c
index 3a31451..5c538e0 100644
--- a/fs/hostfs/hostfs_kern.c
+++ b/fs/hostfs/hostfs_kern.c
@@ -501,7 +501,7 @@
{
pgoff_t index = pos >> PAGE_CACHE_SHIFT;
- *pagep = __grab_cache_page(mapping, index);
+ *pagep = grab_cache_page_write_begin(mapping, index, flags);
if (!*pagep)
return -ENOMEM;
return 0;
diff --git a/fs/jffs2/file.c b/fs/jffs2/file.c
index 5a98aa8..5edc2bf 100644
--- a/fs/jffs2/file.c
+++ b/fs/jffs2/file.c
@@ -132,7 +132,7 @@
uint32_t pageofs = index << PAGE_CACHE_SHIFT;
int ret = 0;
- pg = __grab_cache_page(mapping, index);
+ pg = grab_cache_page_write_begin(mapping, index, flags);
if (!pg)
return -ENOMEM;
*pagep = pg;
diff --git a/fs/libfs.c b/fs/libfs.c
index e960a83..bdaec17 100644
--- a/fs/libfs.c
+++ b/fs/libfs.c
@@ -360,7 +360,7 @@
index = pos >> PAGE_CACHE_SHIFT;
from = pos & (PAGE_CACHE_SIZE - 1);
- page = __grab_cache_page(mapping, index);
+ page = grab_cache_page_write_begin(mapping, index, flags);
if (!page)
return -ENOMEM;
diff --git a/fs/namei.c b/fs/namei.c
index dd5c9f0..df2d3df 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -2817,18 +2817,23 @@
}
}
-int __page_symlink(struct inode *inode, const char *symname, int len,
- gfp_t gfp_mask)
+/*
+ * The nofs argument instructs pagecache_write_begin to pass AOP_FLAG_NOFS
+ */
+int __page_symlink(struct inode *inode, const char *symname, int len, int nofs)
{
struct address_space *mapping = inode->i_mapping;
struct page *page;
void *fsdata;
int err;
char *kaddr;
+ unsigned int flags = AOP_FLAG_UNINTERRUPTIBLE;
+ if (nofs)
+ flags |= AOP_FLAG_NOFS;
retry:
err = pagecache_write_begin(NULL, mapping, 0, len-1,
- AOP_FLAG_UNINTERRUPTIBLE, &page, &fsdata);
+ flags, &page, &fsdata);
if (err)
goto fail;
@@ -2852,7 +2857,7 @@
int page_symlink(struct inode *inode, const char *symname, int len)
{
return __page_symlink(inode, symname, len,
- mapping_gfp_mask(inode->i_mapping));
+ !(mapping_gfp_mask(inode->i_mapping) & __GFP_FS));
}
const struct inode_operations page_symlink_inode_operations = {
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index d319b49..90f292b 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -354,7 +354,7 @@
file->f_path.dentry->d_name.name,
mapping->host->i_ino, len, (long long) pos);
- page = __grab_cache_page(mapping, index);
+ page = grab_cache_page_write_begin(mapping, index, flags);
if (!page)
return -ENOMEM;
*pagep = page;
diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c
index 145c2d3..ed04f47 100644
--- a/fs/reiserfs/inode.c
+++ b/fs/reiserfs/inode.c
@@ -2561,7 +2561,7 @@
}
index = pos >> PAGE_CACHE_SHIFT;
- page = __grab_cache_page(mapping, index);
+ page = grab_cache_page_write_begin(mapping, index, flags);
if (!page)
return -ENOMEM;
*pagep = page;
diff --git a/fs/smbfs/file.c b/fs/smbfs/file.c
index e4f8d51..92d5e8f 100644
--- a/fs/smbfs/file.c
+++ b/fs/smbfs/file.c
@@ -297,7 +297,7 @@
struct page **pagep, void **fsdata)
{
pgoff_t index = pos >> PAGE_CACHE_SHIFT;
- *pagep = __grab_cache_page(mapping, index);
+ *pagep = grab_cache_page_write_begin(mapping, index, flags);
if (!*pagep)
return -ENOMEM;
return 0;
diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c
index fe82d24..bf37374 100644
--- a/fs/ubifs/file.c
+++ b/fs/ubifs/file.c
@@ -219,7 +219,8 @@
}
static int write_begin_slow(struct address_space *mapping,
- loff_t pos, unsigned len, struct page **pagep)
+ loff_t pos, unsigned len, struct page **pagep,
+ unsigned flags)
{
struct inode *inode = mapping->host;
struct ubifs_info *c = inode->i_sb->s_fs_info;
@@ -247,7 +248,7 @@
if (unlikely(err))
return err;
- page = __grab_cache_page(mapping, index);
+ page = grab_cache_page_write_begin(mapping, index, flags);
if (unlikely(!page)) {
ubifs_release_budget(c, &req);
return -ENOMEM;
@@ -438,7 +439,7 @@
return -EROFS;
/* Try out the fast-path part first */
- page = __grab_cache_page(mapping, index);
+ page = grab_cache_page_write_begin(mapping, index, flags);
if (unlikely(!page))
return -ENOMEM;
@@ -483,7 +484,7 @@
unlock_page(page);
page_cache_release(page);
- return write_begin_slow(mapping, pos, len, pagep);
+ return write_begin_slow(mapping, pos, len, pagep, flags);
}
/*
diff --git a/include/linux/blockgroup_lock.h b/include/linux/blockgroup_lock.h
index 8607312..e44b88b 100644
--- a/include/linux/blockgroup_lock.h
+++ b/include/linux/blockgroup_lock.h
@@ -53,7 +53,10 @@
* The accessor is a macro so we can embed a blockgroup_lock into different
* superblock types
*/
-#define sb_bgl_lock(sb, block_group) \
- (&(sb)->s_blockgroup_lock.locks[(block_group) & (NR_BG_LOCKS-1)].lock)
+static inline spinlock_t *
+bgl_lock_ptr(struct blockgroup_lock *bgl, unsigned int block_group)
+{
+ return &bgl->locks[(block_group) & (NR_BG_LOCKS-1)].lock;
+}
#endif
diff --git a/include/linux/ext2_fs_sb.h b/include/linux/ext2_fs_sb.h
index f273415..dc541f3 100644
--- a/include/linux/ext2_fs_sb.h
+++ b/include/linux/ext2_fs_sb.h
@@ -108,4 +108,10 @@
struct ext2_reserve_window_node s_rsv_window_head;
};
+static inline spinlock_t *
+sb_bgl_lock(struct ext2_sb_info *sbi, unsigned int block_group)
+{
+ return bgl_lock_ptr(&sbi->s_blockgroup_lock, block_group);
+}
+
#endif /* _LINUX_EXT2_FS_SB */
diff --git a/include/linux/ext3_fs_sb.h b/include/linux/ext3_fs_sb.h
index b65f028..e024e38 100644
--- a/include/linux/ext3_fs_sb.h
+++ b/include/linux/ext3_fs_sb.h
@@ -83,4 +83,10 @@
#endif
};
+static inline spinlock_t *
+sb_bgl_lock(struct ext3_sb_info *sbi, unsigned int block_group)
+{
+ return bgl_lock_ptr(&sbi->s_blockgroup_lock, block_group);
+}
+
#endif /* _LINUX_EXT3_FS_SB */
diff --git a/include/linux/fs.h b/include/linux/fs.h
index e2170ee..f2a30101 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -423,6 +423,9 @@
#define AOP_FLAG_UNINTERRUPTIBLE 0x0001 /* will not do a short write */
#define AOP_FLAG_CONT_EXPAND 0x0002 /* called from cont_expand */
+#define AOP_FLAG_NOFS 0x0004 /* used by filesystem to direct
+ * helper code (eg buffer layer)
+ * to clear GFP_FS from alloc */
/*
* oh the beauties of C type declarations.
@@ -2035,7 +2038,7 @@
extern void *page_follow_link_light(struct dentry *, struct nameidata *);
extern void page_put_link(struct dentry *, struct nameidata *, void *);
extern int __page_symlink(struct inode *inode, const char *symname, int len,
- gfp_t gfp_mask);
+ int nofs);
extern int page_symlink(struct inode *inode, const char *symname, int len);
extern const struct inode_operations page_symlink_inode_operations;
extern int generic_readlink(struct dentry *, char __user *, int);
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index 709742b..01ca085 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -241,7 +241,8 @@
unsigned find_get_pages_tag(struct address_space *mapping, pgoff_t *index,
int tag, unsigned int nr_pages, struct page **pages);
-struct page *__grab_cache_page(struct address_space *mapping, pgoff_t index);
+struct page *grab_cache_page_write_begin(struct address_space *mapping,
+ pgoff_t index, unsigned flags);
/*
* Returns locked page at given index in given cache, creating it if needed.
diff --git a/include/linux/rtc.h b/include/linux/rtc.h
index 91f597a..4046b75 100644
--- a/include/linux/rtc.h
+++ b/include/linux/rtc.h
@@ -145,6 +145,8 @@
int (*irq_set_state)(struct device *, int enabled);
int (*irq_set_freq)(struct device *, int freq);
int (*read_callback)(struct device *, int data);
+ int (*alarm_irq_enable)(struct device *, unsigned int enabled);
+ int (*update_irq_enable)(struct device *, unsigned int enabled);
};
#define RTC_DEVICE_NAME_SIZE 20
@@ -181,7 +183,7 @@
struct timer_list uie_timer;
/* Those fields are protected by rtc->irq_lock */
unsigned int oldsecs;
- unsigned int irq_active:1;
+ unsigned int uie_irq_active:1;
unsigned int stop_uie_polling:1;
unsigned int uie_task_active:1;
unsigned int uie_timer_active:1;
@@ -216,6 +218,10 @@
struct rtc_task *task, int enabled);
extern int rtc_irq_set_freq(struct rtc_device *rtc,
struct rtc_task *task, int freq);
+extern int rtc_update_irq_enable(struct rtc_device *rtc, unsigned int enabled);
+extern int rtc_alarm_irq_enable(struct rtc_device *rtc, unsigned int enabled);
+extern int rtc_dev_update_irq_enable_emul(struct rtc_device *rtc,
+ unsigned int enabled);
typedef struct rtc_task {
void (*func)(void *private_data);
diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h
index 4be01bb..8222931 100644
--- a/include/linux/spi/spi.h
+++ b/include/linux/spi/spi.h
@@ -19,6 +19,8 @@
#ifndef __LINUX_SPI_H
#define __LINUX_SPI_H
+#include <linux/device.h>
+
/*
* INTERFACES between SPI master-side drivers and SPI infrastructure.
* (There's no SPI slave support for Linux yet...)
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 48348dd..891a84e 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -2945,7 +2945,11 @@
parent = task_cgroup(tsk, subsys->subsys_id);
/* Pin the hierarchy */
- atomic_inc(&parent->root->sb->s_active);
+ if (!atomic_inc_not_zero(&parent->root->sb->s_active)) {
+ /* We race with the final deactivate_super() */
+ mutex_unlock(&cgroup_mutex);
+ return 0;
+ }
/* Keep the cgroup alive */
get_css_set(cg);
diff --git a/mm/filemap.c b/mm/filemap.c
index f3e5f89..f8c6927 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -2140,19 +2140,24 @@
* Find or create a page at the given pagecache position. Return the locked
* page. This function is specifically for buffered writes.
*/
-struct page *__grab_cache_page(struct address_space *mapping, pgoff_t index)
+struct page *grab_cache_page_write_begin(struct address_space *mapping,
+ pgoff_t index, unsigned flags)
{
int status;
struct page *page;
+ gfp_t gfp_notmask = 0;
+ if (flags & AOP_FLAG_NOFS)
+ gfp_notmask = __GFP_FS;
repeat:
page = find_lock_page(mapping, index);
if (likely(page))
return page;
- page = page_cache_alloc(mapping);
+ page = __page_cache_alloc(mapping_gfp_mask(mapping) & ~gfp_notmask);
if (!page)
return NULL;
- status = add_to_page_cache_lru(page, mapping, index, GFP_KERNEL);
+ status = add_to_page_cache_lru(page, mapping, index,
+ GFP_KERNEL & ~gfp_notmask);
if (unlikely(status)) {
page_cache_release(page);
if (status == -EEXIST)
@@ -2161,7 +2166,7 @@
}
return page;
}
-EXPORT_SYMBOL(__grab_cache_page);
+EXPORT_SYMBOL(grab_cache_page_write_begin);
static ssize_t generic_perform_write(struct file *file,
struct iov_iter *i, loff_t pos)
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 1ddb77b..7465f22 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -151,11 +151,12 @@
*
* Ie. pte at addr+N*PAGE_SIZE shall point to pfn corresponding to pages[N]
*/
-static int vmap_page_range(unsigned long addr, unsigned long end,
+static int vmap_page_range(unsigned long start, unsigned long end,
pgprot_t prot, struct page **pages)
{
pgd_t *pgd;
unsigned long next;
+ unsigned long addr = start;
int err = 0;
int nr = 0;
@@ -167,7 +168,7 @@
if (err)
break;
} while (pgd++, addr = next, addr != end);
- flush_cache_vmap(addr, end);
+ flush_cache_vmap(start, end);
if (unlikely(err))
return err;