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| author | Geyslan G. Bem <geyslan@gmail.com> | 2013-11-21 01:02:52 +0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2013-12-10 11:40:57 +0400 |
| commit | 64c832a4f79542809d6c10b8ec6225ff8b76092e (patch) | |
| tree | e3ab4af41bdba5a3e3c65f1a1ea90124257a1f63 /drivers | |
| parent | a5e3d743cb6ed2d73546eaf070138202c0c64a6f (diff) | |
| download | linux-64c832a4f79542809d6c10b8ec6225ff8b76092e.tar.xz | |
[media] videobuf2-dma-sg: fix possible memory leak
Fix the return when 'buf->pages' allocation error.
Signed-off-by: Geyslan G. Bem <geyslan@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Diffstat (limited to 'drivers')
| -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 2f860543912c..0d3a8ffe47a3 100644 --- a/drivers/media/v4l2-core/videobuf2-dma-sg.c +++ b/drivers/media/v4l2-core/videobuf2-dma-sg.c @@ -178,7 +178,7 @@ static void *vb2_dma_sg_get_userptr(void *alloc_ctx, unsigned long vaddr, buf->pages = kzalloc(buf->num_pages * sizeof(struct page *), GFP_KERNEL); if (!buf->pages) - return NULL; + goto userptr_fail_alloc_pages; num_pages_from_user = get_user_pages(current, current->mm, vaddr & PAGE_MASK, @@ -204,6 +204,7 @@ userptr_fail_get_user_pages: while (--num_pages_from_user >= 0) put_page(buf->pages[num_pages_from_user]); kfree(buf->pages); +userptr_fail_alloc_pages: kfree(buf); return NULL; } |