From: Xie Yongji <xieyongji@xxxxxxxxxxxxx> [ 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@xxxxxxxxxxxxx> Link: http://patchwork.freedesktop.org/patch/msgid/20210517084913.403-1-xieyongji@xxxxxxxxxxxxx Signed-off-by: Gerd Hoffmann <kraxel@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- 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 22397a23780c..2cfd0016bd70 100644 --- a/drivers/gpu/drm/virtio/virtgpu_kms.c +++ b/drivers/gpu/drm/virtio/virtgpu_kms.c @@ -261,6 +261,9 @@ void virtio_gpu_driver_unload(struct drm_device *dev) flush_work(&vgdev->config_changed_work); 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); -- 2.30.2
