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authorChristophe JAILLET <[email protected]>2017-04-28 01:51:40 -0300
committerMauro Carvalho Chehab <[email protected]>2017-06-06 07:10:39 -0300
commit5ebb6dd36c9f5fb37b1077b393c254d70a14cb46 (patch)
treeab08e3310305d707937cc1690b2190b049e8256a
parente0f2e5eb14668dc798942ff5f4241d9bd17f9655 (diff)
[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: [email protected] Signed-off-by: Christophe JAILLET <[email protected]> Reviewed-by: Sakari Ailus <[email protected]> Signed-off-by: Hans Verkuil <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]>
-rw-r--r--drivers/media/v4l2-core/videobuf2-core.c2
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);