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From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Sasha Levin <sashal@kernel.org>,
	"Michael S . Tsirkin" <mst@redhat.com>,
	netdev@vger.kernel.org,
	virtualization@lists.linux-foundation.org,
	Xie Yongji <xieyongji@bytedance.com>
Subject: [PATCH AUTOSEL 5.12 40/43] virtio_net: Fix error handling in virtnet_restore()
Date: Sat, 10 Jul 2021 19:49:12 -0400	[thread overview]
Message-ID: <20210710234915.3220342-40-sashal@kernel.org> (raw)
In-Reply-To: <20210710234915.3220342-1-sashal@kernel.org>

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 0824e6999e49..9007d73863d0 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -3223,8 +3223,11 @@ 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;
 }
-- 
2.30.2

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  parent reply	other threads:[~2021-07-10 23:50 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20210710234915.3220342-1-sashal@kernel.org>
2021-07-10 23:49 ` [PATCH AUTOSEL 5.12 39/43] virtio-blk: Fix memory leak among suspend/resume procedure Sasha Levin
2021-07-10 23:49 ` Sasha Levin [this message]
2021-07-10 23:49 ` [PATCH AUTOSEL 5.12 41/43] virtio_console: Assure used length from device is limited Sasha Levin
2021-07-10 23:49 ` [PATCH AUTOSEL 5.12 42/43] virtio: fix up virtio_disable_cb Sasha Levin
2021-07-11  4:23   ` Michael S. Tsirkin
2021-07-18  1:41     ` Sasha Levin

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