diff options
Diffstat (limited to 'drivers/media/v4l2-core/videobuf2-dma-sg.c')
-rw-r--r-- | drivers/media/v4l2-core/videobuf2-dma-sg.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/media/v4l2-core/videobuf2-dma-sg.c b/drivers/media/v4l2-core/videobuf2-dma-sg.c index 59522b2ebae1..16ae3dcc7e29 100644 --- a/drivers/media/v4l2-core/videobuf2-dma-sg.c +++ b/drivers/media/v4l2-core/videobuf2-dma-sg.c @@ -55,7 +55,8 @@ static void *vb2_dma_sg_alloc(void *alloc_ctx, unsigned long size, gfp_t gfp_fla buf->write = 0; buf->offset = 0; buf->sg_desc.size = size; - buf->sg_desc.num_pages = (size + PAGE_SIZE - 1) >> PAGE_SHIFT; + /* size is already page aligned */ + buf->sg_desc.num_pages = size >> PAGE_SHIFT; buf->sg_desc.sglist = vzalloc(buf->sg_desc.num_pages * sizeof(*buf->sg_desc.sglist)); |