From b71ba22e7c6c6b279c66f53ee7818709774efa1f 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
Git-commit: b71ba22e7c6c6b279c66f53ee7818709774efa1f
Patch-mainline: v5.14-rc1
References: git-fixes
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: Coly Li <colyli@suse.de>
---
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 6dda64fec743..c3e260d5bdd0 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;
}
--
2.35.3