From ca2b8ae93a6da9839dc7f9eb9199b18aa03c3dae Mon Sep 17 00:00:00 2001
From: Xie Yongji <xieyongji@bytedance.com>
Date: Mon, 17 May 2021 16:43:32 +0800
Subject: [PATCH] virtio-blk: Fix memory leak among suspend/resume procedure

[ Upstream commit b71ba22e7c6c6b279c66f53ee7818709774efa1f ]

The vblk->vqs should be freed before we call init_vqs()
in virtblk_restore().

Signed-off-by: Xie Yongji <xieyongji@bytedance.com>
Link: https://lore.kernel.org/r/20210517084332.280-1-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/block/virtio_blk.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index b9fa3ef5b57c0..425bae6181319 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -948,6 +948,8 @@ static int virtblk_freeze(struct virtio_device *vdev)
 	blk_mq_quiesce_queue(vblk->disk->queue);
 
 	vdev->config->del_vqs(vdev);
+	kfree(vblk->vqs);
+
 	return 0;
 }