From: Xie Yongji <xieyon...@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 <xieyon...@bytedance.com> Link: http://patchwork.freedesktop.org/patch/msgid/20210517084913.403-1-xieyon...@bytedance.com Signed-off-by: Gerd Hoffmann <kra...@redhat.com> Signed-off-by: Sasha Levin <sas...@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 eed57a931309..5e716199ccee 100644 --- a/drivers/gpu/drm/virtio/virtgpu_kms.c +++ b/drivers/gpu/drm/virtio/virtgpu_kms.c @@ -239,6 +239,9 @@ void virtio_gpu_release(struct drm_device *dev) { struct virtio_gpu_device *vgdev = dev->dev_private; + if (!vgdev) + return; + virtio_gpu_modeset_fini(vgdev); virtio_gpu_free_vbufs(vgdev); virtio_gpu_cleanup_cap_cache(vgdev); -- 2.30.2 _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization
