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 at anholt.net> Fixes: d5b1a78a772f ("drm/vc4: Add support for drawing 3D frames.") Cc: stable at vger.kernel.org --- drivers/gpu/drm/vc4/vc4_gem.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/vc4/vc4_gem.c b/drivers/gpu/drm/vc4/vc4_gem.c index 3f60036834e0..9da024fffbcf 100644 --- a/drivers/gpu/drm/vc4/vc4_gem.c +++ b/drivers/gpu/drm/vc4/vc4_gem.c @@ -575,7 +575,7 @@ vc4_cl_lookup_bos(struct drm_device *dev, fail: drm_free_large(handles); - return 0; + return ret; } static int -- 2.8.1