From: Dmitry Osipenko dmitry.osipenko@collabora.com
commit fdf0ff4d12cbcd76b53f27c96ce51ddca400884a upstream.
Unlock reservations in the error code path of virtio_gpu_object_create() to silence debug warning splat produced by ww_mutex_destroy(&obj->lock) when GEM is released with the held lock.
Cc: stable@vger.kernel.org Fixes: 30172efbfb84 ("drm/virtio: blob prep: refactor getting pages and attaching backing") Reviewed-by: Emil Velikov emil.l.velikov@gmail.com Signed-off-by: Dmitry Osipenko dmitry.osipenko@collabora.com Link: http://patchwork.freedesktop.org/patch/msgid/20220630200726.1884320-4-dmitry... Signed-off-by: Gerd Hoffmann kraxel@redhat.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/gpu/drm/virtio/virtgpu_object.c | 2 ++ 1 file changed, 2 insertions(+)
--- a/drivers/gpu/drm/virtio/virtgpu_object.c +++ b/drivers/gpu/drm/virtio/virtgpu_object.c @@ -248,6 +248,8 @@ int virtio_gpu_object_create(struct virt
ret = virtio_gpu_object_shmem_init(vgdev, bo, &ents, &nents); if (ret != 0) { + if (fence) + virtio_gpu_array_unlock_resv(objs); virtio_gpu_array_put_free(objs); virtio_gpu_free_object(&shmem_obj->base); return ret;