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    Subject[PATCH AUTOSEL 4.4 11/12] virtio-blk: Fix memory leak among suspend/resume procedure
    Date
    From: Xie Yongji <xieyongji@bytedance.com>

    [ 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 bdc3efacd0d2..2bcc2bc64149 100644
    --- a/drivers/block/virtio_blk.c
    +++ b/drivers/block/virtio_blk.c
    @@ -808,6 +808,8 @@ static int virtblk_freeze(struct virtio_device *vdev)
    blk_mq_stop_hw_queues(vblk->disk->queue);

    vdev->config->del_vqs(vdev);
    + kfree(vblk->vqs);
    +
    return 0;
    }

    --
    2.30.2
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