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path: root/drivers/media/video/video-buf.c
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Diffstat (limited to 'drivers/media/video/video-buf.c')
-rw-r--r--drivers/media/video/video-buf.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/media/video/video-buf.c b/drivers/media/video/video-buf.c
index 9a6bf287e26a..9ef477523d27 100644
--- a/drivers/media/video/video-buf.c
+++ b/drivers/media/video/video-buf.c
@@ -52,10 +52,9 @@ videobuf_vmalloc_to_sg(unsigned char *virt, int nr_pages)
struct page *pg;
int i;
- sglist = kmalloc(sizeof(struct scatterlist)*nr_pages, GFP_KERNEL);
+ sglist = kcalloc(nr_pages, sizeof(struct scatterlist), GFP_KERNEL);
if (NULL == sglist)
return NULL;
- memset(sglist,0,sizeof(struct scatterlist)*nr_pages);
for (i = 0; i < nr_pages; i++, virt += PAGE_SIZE) {
pg = vmalloc_to_page(virt);
if (NULL == pg)
@@ -80,10 +79,9 @@ videobuf_pages_to_sg(struct page **pages, int nr_pages, int offset)
if (NULL == pages[0])
return NULL;
- sglist = kmalloc(sizeof(*sglist) * nr_pages, GFP_KERNEL);
+ sglist = kcalloc(nr_pages, sizeof(*sglist), GFP_KERNEL);
if (NULL == sglist)
return NULL;
- memset(sglist, 0, sizeof(*sglist) * nr_pages);
if (NULL == pages[0])
goto nopage;
@@ -284,9 +282,8 @@ void* videobuf_alloc(unsigned int size)
{
struct videobuf_buffer *vb;
- vb = kmalloc(size,GFP_KERNEL);
+ vb = kzalloc(size,GFP_KERNEL);
if (NULL != vb) {
- memset(vb,0,size);
videobuf_dma_init(&vb->dma);
init_waitqueue_head(&vb->done);
vb->magic = MAGIC_BUFFER;