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- From c13643e0da4736d029d6323207a0c0bc49815a9a Mon Sep 17 00:00:00 2001
- From: Eric Anholt <eric@anholt.net>
- Date: Mon, 25 Jul 2016 16:10:04 -0700
- Subject: [PATCH] drm/vc4: Fix oops when userspace hands in a bad BO.
- We'd end up NULL pointer dereferencing because we didn't take the
- error path out in the parent. Fixes igt vc4_lookup_fail test.
- Signed-off-by: Eric Anholt <eric@anholt.net>
- Fixes: d5b1a78a772f ("drm/vc4: Add support for drawing 3D frames.")
- Cc: stable@vger.kernel.org
- ---
- drivers/gpu/drm/vc4/vc4_gem.c | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
- --- a/drivers/gpu/drm/vc4/vc4_gem.c
- +++ b/drivers/gpu/drm/vc4/vc4_gem.c
- @@ -585,7 +585,7 @@ vc4_cl_lookup_bos(struct drm_device *dev
-
- fail:
- drm_free_large(handles);
- - return 0;
- + return ret;
- }
-
- static int
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