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| author | Christophe JAILLET <christophe.jaillet@wanadoo.fr> | 2017-04-28 06:51:40 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2017-05-18 12:33:04 +0200 |
| commit | ef6ff8f47263b1a98b7c3a8d7ee30c1d5b0afdfa (patch) | |
| tree | c392ad0a8fb14479fbbf7eabff56cea000caee61 | |
| parent | [media] s5p-cec: remove unused including <linux/version.h> (diff) | |
| download | linux-ef6ff8f47263b1a98b7c3a8d7ee30c1d5b0afdfa.tar.xz linux-ef6ff8f47263b1a98b7c3a8d7ee30c1d5b0afdfa.zip | |
[media] vb2: Fix an off by one error in 'vb2_plane_vaddr'
We should ensure that 'plane_no' is '< vb->num_planes' as done in
'vb2_plane_cookie' just a few lines below.
Fixes: e23ccc0ad925 ("[media] v4l: add videobuf2 Video for Linux 2 driver framework")
Cc: stable@vger.kernel.org
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
| -rw-r--r-- | drivers/media/v4l2-core/videobuf2-core.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c index 94afbbf92807..c0175ea7e7ad 100644 --- a/drivers/media/v4l2-core/videobuf2-core.c +++ b/drivers/media/v4l2-core/videobuf2-core.c @@ -868,7 +868,7 @@ EXPORT_SYMBOL_GPL(vb2_core_create_bufs); void *vb2_plane_vaddr(struct vb2_buffer *vb, unsigned int plane_no) { - if (plane_no > vb->num_planes || !vb->planes[plane_no].mem_priv) + if (plane_no >= vb->num_planes || !vb->planes[plane_no].mem_priv) return NULL; return call_ptr_memop(vb, vaddr, vb->planes[plane_no].mem_priv); |