From: Paolo Bonzini <pbonzini@redhat.com>
To: Igor Mammedov <imammedo@redhat.com>, qemu-devel@nongnu.org
Cc: lina.lulina@huawei.com, arei.gonglei@huawei.com, mst@redhat.com
Subject: Re: [Qemu-devel] [PATCH] vhost/scsi: call vhost_dev_cleanup() at unrealize() time
Date: Thu, 30 Jul 2015 15:51:13 +0200 [thread overview]
Message-ID: <55BA2BD1.8050401@redhat.com> (raw)
In-Reply-To: <1438262999-287627-1-git-send-email-imammedo@redhat.com>
On 30/07/2015 15:29, Igor Mammedov wrote:
> vhost-scsi calls vhost_dev_init() at realize() time
> but forgets to call it's counterpart vhost_dev_cleanup()
> at unrealize() time.
>
> Calling it should fix leaking of memory table and
> mem_sections table in vhost device. And also unregister
> vhost's memory listerner to prevent access from
> memory core to freed memory.
>
> Signed-off-by: Igor Mammedov <imammedo@redhat.com>
> ---
> hw/scsi/vhost-scsi.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/hw/scsi/vhost-scsi.c b/hw/scsi/vhost-scsi.c
> index a69918b..0dd57ff 100644
> --- a/hw/scsi/vhost-scsi.c
> +++ b/hw/scsi/vhost-scsi.c
> @@ -277,6 +277,7 @@ static void vhost_scsi_unrealize(DeviceState *dev, Error **errp)
> /* This will stop vhost backend. */
> vhost_scsi_set_status(vdev, 0);
>
> + vhost_dev_cleanup(&s->dev);
> g_free(s->dev.vqs);
>
> virtio_scsi_common_unrealize(dev, errp);
>
Applied to scsi-next, thanks.
Paolo
prev parent reply other threads:[~2015-07-30 13:51 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-30 13:29 [Qemu-devel] [PATCH] vhost/scsi: call vhost_dev_cleanup() at unrealize() time Igor Mammedov
2015-07-30 13:51 ` Paolo Bonzini [this message]
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