Merge 'akpm' patch series

* Merge akpm patch series: (122 commits)
  drivers/connector/cn_proc.c: remove unused local
  Documentation/SubmitChecklist: add RCU debug config options
  reiserfs: use hweight_long()
  reiserfs: use proper little-endian bitops
  pnpacpi: register disabled resources
  drivers/rtc/rtc-tegra.c: properly initialize spinlock
  drivers/rtc/rtc-twl.c: check return value of twl_rtc_write_u8() in twl_rtc_set_time()
  drivers/rtc: add support for Qualcomm PMIC8xxx RTC
  drivers/rtc/rtc-s3c.c: support clock gating
  drivers/rtc/rtc-mpc5121.c: add support for RTC on MPC5200
  init: skip calibration delay if previously done
  misc/eeprom: add eeprom access driver for digsy_mtc board
  misc/eeprom: add driver for microwire 93xx46 EEPROMs
  checkpatch.pl: update $logFunctions
  checkpatch: make utf-8 test --strict
  checkpatch.pl: add ability to ignore various messages
  checkpatch: add a "prefer __aligned" check
  checkpatch: validate signature styles and To: and Cc: lines
  checkpatch: add __rcu as a sparse modifier
  checkpatch: suggest using min_t or max_t
  ...

Did this as a merge because of (trivial) conflicts in
 - Documentation/feature-removal-schedule.txt
 - arch/xtensa/include/asm/uaccess.h
that were just easier to fix up in the merge than in the patch series.

4 files changed, 8 insertions, 16 deletions

diff --git a/drivers/gpu/drm/drm_scatter.c b/drivers/gpu/drm/drm_scatter.c
index d15e09b0ae0b..7525e0311e59 100644
--- a/drivers/gpu/drm/drm_scatter.c
+++ b/drivers/gpu/drm/drm_scatter.c
@@ -83,30 +83,26 @@ int drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather * request)
 	if (dev->sg)
 		return -EINVAL;
 
-	entry = kmalloc(sizeof(*entry), GFP_KERNEL);
+	entry = kzalloc(sizeof(*entry), GFP_KERNEL);
 	if (!entry)
 		return -ENOMEM;
 
-	memset(entry, 0, sizeof(*entry));
 	pages = (request->size + PAGE_SIZE - 1) / PAGE_SIZE;
 	DRM_DEBUG("size=%ld pages=%ld\n", request->size, pages);
 
 	entry->pages = pages;
-	entry->pagelist = kmalloc(pages * sizeof(*entry->pagelist), GFP_KERNEL);
+	entry->pagelist = kcalloc(pages, sizeof(*entry->pagelist), GFP_KERNEL);
 	if (!entry->pagelist) {
 		kfree(entry);
 		return -ENOMEM;
 	}
 
-	memset(entry->pagelist, 0, pages * sizeof(*entry->pagelist));
-
-	entry->busaddr = kmalloc(pages * sizeof(*entry->busaddr), GFP_KERNEL);
+	entry->busaddr = kcalloc(pages, sizeof(*entry->busaddr), GFP_KERNEL);
 	if (!entry->busaddr) {
 		kfree(entry->pagelist);
 		kfree(entry);
 		return -ENOMEM;
 	}
-	memset((void *)entry->busaddr, 0, pages * sizeof(*entry->busaddr));
 
 	entry->virtual = drm_vmalloc_dma(pages << PAGE_SHIFT);
 	if (!entry->virtual) {
diff --git a/drivers/gpu/drm/radeon/radeon_mem.c b/drivers/gpu/drm/radeon/radeon_mem.c
index ed95155c4b1d..988548efea92 100644
--- a/drivers/gpu/drm/radeon/radeon_mem.c
+++ b/drivers/gpu/drm/radeon/radeon_mem.c
@@ -139,7 +139,7 @@ static int init_heap(struct mem_block **heap, int start, int size)
 	if (!blocks)
 		return -ENOMEM;
 
-	*heap = kmalloc(sizeof(**heap), GFP_KERNEL);
+	*heap = kzalloc(sizeof(**heap), GFP_KERNEL);
 	if (!*heap) {
 		kfree(blocks);
 		return -ENOMEM;
@@ -150,7 +150,6 @@ static int init_heap(struct mem_block **heap, int start, int size)
 	blocks->file_priv = NULL;
 	blocks->next = blocks->prev = *heap;
 
-	memset(*heap, 0, sizeof(**heap));
 	(*heap)->file_priv = (struct drm_file *) - 1;
 	(*heap)->next = (*heap)->prev = blocks;
 	return 0;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c b/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c
index f1a52f9e7298..07ce02da78a4 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c
@@ -585,11 +585,10 @@ int vmw_overlay_init(struct vmw_private *dev_priv)
 		return -ENOSYS;
 	}
 
-	overlay = kmalloc(sizeof(*overlay), GFP_KERNEL);
+	overlay = kzalloc(sizeof(*overlay), GFP_KERNEL);
 	if (!overlay)
 		return -ENOMEM;
 
-	memset(overlay, 0, sizeof(*overlay));
 	mutex_init(&overlay->mutex);
 	for (i = 0; i < VMW_MAX_NUM_STREAMS; i++) {
 		overlay->stream[i].buf = NULL;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
index 5408b1b7996f..bfe1bcce7f8a 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
@@ -612,11 +612,9 @@ int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
 	    srf->sizes[0].height == 64 &&
 	    srf->format == SVGA3D_A8R8G8B8) {
 
-		srf->snooper.image = kmalloc(64 * 64 * 4, GFP_KERNEL);
-		/* clear the image */
-		if (srf->snooper.image) {
-			memset(srf->snooper.image, 0x00, 64 * 64 * 4);
-		} else {
+		/* allocate image area and clear it */
+		srf->snooper.image = kzalloc(64 * 64 * 4, GFP_KERNEL);
+		if (!srf->snooper.image) {
 			DRM_ERROR("Failed to allocate cursor_image\n");
 			ret = -ENOMEM;
 			goto out_err1;