[PATCH 4.9 09/66] drm/vc4: fix a bounds check
From: Greg Kroah-Hartman
Date: Tue Jan 31 2017 - 00:38:36 EST
4.9-stable review patch. If anyone has any objections, please let me know.
------------------
From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
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@xxxxxxxxxx>
Reviewed-by: Eric Engestrom <eric@xxxxxxxxxxxx>
Reviewed-by: Eric Anholt <eric@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
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;