From: Xie Yongji xieyongji@bytedance.com
[ Upstream commit 3f2869cace829fb4b80fc53b3ddaa7f4ba9acbf1 ]
Do some cleanups in virtnet_restore() when virtnet_cpu_notif_add() failed.
Signed-off-by: Xie Yongji xieyongji@bytedance.com Link: https://lore.kernel.org/r/20210517084516.332-1-xieyongji@bytedance.com Acked-by: Jason Wang jasowang@redhat.com Signed-off-by: Michael S. Tsirkin mst@redhat.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/virtio_net.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 286f836a53bf..0e7a99424fc7 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -3228,8 +3228,11 @@ static __maybe_unused int virtnet_restore(struct virtio_device *vdev) virtnet_set_queues(vi, vi->curr_queue_pairs);
err = virtnet_cpu_notif_add(vi); - if (err) + if (err) { + virtnet_freeze_down(vdev); + remove_vq_common(vi); return err; + }
return 0; }