This is a note to let you know that I've just added the patch titled
media: vb2: fix plane index sanity check in vb2_plane_cookie()
to the 3.16-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
media-vb2-fix-plane-index-sanity-check-in-vb2_plane_cookie.patch
and it can be found in the queue-3.16 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From a9ae4692eda4b99f85757b15d60971ff78a0a0e2 Mon Sep 17 00:00:00 2001
From: Zhaowei Yuan <zhaowei.yuan@xxxxxxxxxxx>
Date: Thu, 21 Aug 2014 23:28:21 -0300
Subject: media: vb2: fix plane index sanity check in vb2_plane_cookie()
From: Zhaowei Yuan <zhaowei.yuan@xxxxxxxxxxx>
commit a9ae4692eda4b99f85757b15d60971ff78a0a0e2 upstream.
It's also invalid when plane_no is equal to vb->num_planes
Signed-off-by: Zhaowei Yuan <zhaowei.yuan@xxxxxxxxxxx>
Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>
Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/media/v4l2-core/videobuf2-core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/media/v4l2-core/videobuf2-core.c
+++ b/drivers/media/v4l2-core/videobuf2-core.c
@@ -1126,7 +1126,7 @@ EXPORT_SYMBOL_GPL(vb2_plane_vaddr);
*/
void *vb2_plane_cookie(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, cookie, vb->planes[plane_no].mem_priv);
Patches currently in stable-queue which might be from zhaowei.yuan@xxxxxxxxxxx are
queue-3.16/media-vb2-fix-plane-index-sanity-check-in-vb2_plane_cookie.patch
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