summaryrefslogtreecommitdiff
path: root/drivers/media/v4l2-core/videobuf-dma-sg.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/v4l2-core/videobuf-dma-sg.c')
-rw-r--r--drivers/media/v4l2-core/videobuf-dma-sg.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/media/v4l2-core/videobuf-dma-sg.c b/drivers/media/v4l2-core/videobuf-dma-sg.c
index 2e5c346f9c30..08929c087e27 100644
--- a/drivers/media/v4l2-core/videobuf-dma-sg.c
+++ b/drivers/media/v4l2-core/videobuf-dma-sg.c
@@ -69,7 +69,7 @@ static struct scatterlist *videobuf_vmalloc_to_sg(unsigned char *virt,
struct page *pg;
int i;
- sglist = vzalloc(nr_pages * sizeof(*sglist));
+ sglist = vzalloc(array_size(nr_pages, sizeof(*sglist)));
if (NULL == sglist)
return NULL;
sg_init_table(sglist, nr_pages);
@@ -100,7 +100,7 @@ static struct scatterlist *videobuf_pages_to_sg(struct page **pages,
if (NULL == pages[0])
return NULL;
- sglist = vmalloc(nr_pages * sizeof(*sglist));
+ sglist = vmalloc(array_size(nr_pages, sizeof(*sglist)));
if (NULL == sglist)
return NULL;
sg_init_table(sglist, nr_pages);
@@ -175,7 +175,8 @@ static int videobuf_dma_init_user_locked(struct videobuf_dmabuf *dma,
dma->offset = data & ~PAGE_MASK;
dma->size = size;
dma->nr_pages = last-first+1;
- dma->pages = kmalloc(dma->nr_pages * sizeof(struct page *), GFP_KERNEL);
+ dma->pages = kmalloc_array(dma->nr_pages, sizeof(struct page *),
+ GFP_KERNEL);
if (NULL == dma->pages)
return -ENOMEM;