From: Xie Yongji <xieyongji@bytedance.com>
Date: Mon, 17 May 2021 08:43:32 +0000 (+0800)
Subject: virtio-blk: Fix memory leak among suspend/resume procedure
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=b71ba22e7c6c6b279c66f53ee7818709774efa1f;p=linux.git

virtio-blk: Fix memory leak among suspend/resume procedure

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>
---

diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 6dda64fec743b..c3e260d5bdd09 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -929,6 +929,8 @@ 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;
 }