From: Xie Yongji xieyongji@bytedance.com
[ Upstream commit 17f46f488a5d82c5568e6e786cd760bba1c2ee09 ]
The dev->dev_private might not be allocated if virtio_gpu_pci_quirk() or virtio_gpu_init() failed. In this case, we should avoid the cleanup in virtio_gpu_release().
Signed-off-by: Xie Yongji xieyongji@bytedance.com Link: http://patchwork.freedesktop.org/patch/msgid/20210517084913.403-1-xieyongji@... Signed-off-by: Gerd Hoffmann kraxel@redhat.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpu/drm/virtio/virtgpu_kms.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/virtio/virtgpu_kms.c b/drivers/gpu/drm/virtio/virtgpu_kms.c index 6dcc05ab31eb..5c0249d3bd53 100644 --- a/drivers/gpu/drm/virtio/virtgpu_kms.c +++ b/drivers/gpu/drm/virtio/virtgpu_kms.c @@ -243,6 +243,9 @@ void virtio_gpu_deinit(struct drm_device *dev) vgdev->vdev->config->reset(vgdev->vdev); vgdev->vdev->config->del_vqs(vgdev->vdev);
+ if (!vgdev) + return; + virtio_gpu_modeset_fini(vgdev); virtio_gpu_ttm_fini(vgdev); virtio_gpu_free_vbufs(vgdev);