Unlock reservations on dma_resv_reserve_fences() error to fix recursive locking of the reservations when this error happens.
Cc: stable@vger.kernel.org Signed-off-by: Dmitry Osipenko dmitry.osipenko@collabora.com --- drivers/gpu/drm/virtio/virtgpu_gem.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/virtio/virtgpu_gem.c b/drivers/gpu/drm/virtio/virtgpu_gem.c index 580a78809836..7db48d17ee3a 100644 --- a/drivers/gpu/drm/virtio/virtgpu_gem.c +++ b/drivers/gpu/drm/virtio/virtgpu_gem.c @@ -228,8 +228,10 @@ int virtio_gpu_array_lock_resv(struct virtio_gpu_object_array *objs)
for (i = 0; i < objs->nents; ++i) { ret = dma_resv_reserve_fences(objs->objs[i]->resv, 1); - if (ret) + if (ret) { + virtio_gpu_array_unlock_resv(objs); return ret; + } } return ret; }