Patch "drm/vc4: fix a bounds check" has been added to the 4.9-stable tree

Patch "drm/vc4: fix a bounds check" has been added to the 4.9-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    drm/vc4: fix a bounds check

to the 4.9-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:
     drm-vc4-fix-a-bounds-check.patch
and it can be found in the queue-4.9 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From 21ccc32496b2f63228f5232b3ac0e426e8fb3c31 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Fri, 13 Jan 2017 10:49:00 +0300
Subject: drm/vc4: fix a bounds check

From: Dan Carpenter <dan.carpenter@oracle.com>

commit 21ccc32496b2f63228f5232b3ac0e426e8fb3c31 upstream.

We accidentally return success even if vc4_full_res_bounds_check() fails.

Fixes: d5b1a78a772f ("drm/vc4: Add support for drawing 3D frames.")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Eric Engestrom <eric@engestrom.ch>
Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/gpu/drm/vc4/vc4_render_cl.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/gpu/drm/vc4/vc4_render_cl.c
+++ b/drivers/gpu/drm/vc4/vc4_render_cl.c
@@ -461,7 +461,7 @@ static int vc4_rcl_surface_setup(struct
 		}
 
 		ret = vc4_full_res_bounds_check(exec, *obj, surf);
-		if (!ret)
+		if (ret)
 			return ret;
 
 		return 0;


Patches currently in stable-queue which might be from dan.carpenter@oracle.com are

queue-4.9/fbdev-color-map-copying-bounds-checking.patch
queue-4.9/drm-vc4-fix-a-bounds-check.patch