This is a note to let you know that I've just added the patch titled
[media] vb2: Fix an off by one error in 'vb2_plane_vaddr'
to the 4.11-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:
vb2-fix-an-off-by-one-error-in-vb2_plane_vaddr.patch
and it can be found in the queue-4.11 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 5ebb6dd36c9f5fb37b1077b393c254d70a14cb46 Mon Sep 17 00:00:00 2001
From: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
Date: Fri, 28 Apr 2017 01:51:40 -0300
Subject: [media] vb2: Fix an off by one error in 'vb2_plane_vaddr'
From: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
commit 5ebb6dd36c9f5fb37b1077b393c254d70a14cb46 upstream.
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")
Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
Reviewed-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>
Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxxx>
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
@@ -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);
Patches currently in stable-queue which might be from christophe.jaillet@xxxxxxxxxx are
queue-4.11/vb2-fix-an-off-by-one-error-in-vb2_plane_vaddr.patch
queue-4.11/serial-efm32-fix-parity-management-in-efm32_uart_console_get_options.patch