This is a note to let you know that I've just added the patch titled
virtio_net: Fix error handling in virtnet_restore()
to the 5.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
virtio_net-fix-error-handling-in-virtnet_restore.patch
and it can be found in the queue-5.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit afc321b0a7a3e8daea51fad99f3aac2cfe44aa89
Author: Xie Yongji <xieyongji@xxxxxxxxxxxxx>
Date: Mon May 17 16:45:16 2021 +0800
virtio_net: Fix error handling in virtnet_restore()
[ Upstream commit 3f2869cace829fb4b80fc53b3ddaa7f4ba9acbf1 ]
Do some cleanups in virtnet_restore() when virtnet_cpu_notif_add() failed.
Signed-off-by: Xie Yongji <xieyongji@xxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20210517084516.332-1-xieyongji@xxxxxxxxxxxxx
Acked-by: Jason Wang <jasowang@xxxxxxxxxx>
Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 5cd55f950032..af7d69719c4f 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -3282,8 +3282,11 @@ 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;
}
