diff options
Diffstat (limited to 'drivers/media/video/video-buf.c')
| -rw-r--r-- | drivers/media/video/video-buf.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/media/video/video-buf.c b/drivers/media/video/video-buf.c index 9a6bf28..9ef4775 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; |
