linux-kernel - Re: [PATCH v2 3/3] scsi:libiscsi: teardown iscsi_cls

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Date:   Tue, 8 Mar 2022 11:20:47 -0600
From:   Mike Christie <michael.christie@...cle.com>
To:     Wenchao Hao <haowenchao@...wei.com>, Lee Duncan <lduncan@...e.com>,
        Chris Leech <cleech@...hat.com>,
        "James E . J . Bottomley" <jejb@...ux.ibm.com>,
        "Martin K . Petersen" <martin.petersen@...cle.com>,
        open-iscsi@...glegroups.com, linux-scsi@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Wu Bo <wubo40@...wei.com>, Zhiqiang Liu <liuzhiqiang26@...wei.com>,
        linfeilong@...wei.com
Subject: Re: [PATCH v2 3/3] scsi:libiscsi: teardown iscsi_cls_conn gracefully

On 3/8/22 9:09 PM, Wenchao Hao wrote:
> diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
> index ca724eed4f4d..7b4d998708e7 100644
> --- a/drivers/scsi/scsi_transport_iscsi.c
> +++ b/drivers/scsi/scsi_transport_iscsi.c
> @@ -2165,6 +2165,7 @@ static int iscsi_iter_destroy_conn_fn(struct device *dev, void *data)
>  {
>  	if (!iscsi_is_conn_dev(dev))
>  		return 0;
> +	iscsi_remove_conn(iscsi_dev_to_conn(dev));
>  	return iscsi_destroy_conn(iscsi_dev_to_conn(dev));

Just do:

iscsi_remove_conn
iscsi_put_conn
return 0;



>  }
>  
> @@ -2463,7 +2464,7 @@ int iscsi_destroy_conn(struct iscsi_cls_conn *conn)
>  
>  	transport_unregister_device(&conn->dev);
>  	ISCSI_DBG_TRANS_CONN(conn, "Completing conn destruction\n");
> -	device_unregister(&conn->dev);
> +	iscsi_free_conn(conn);
>  	return 0;
>  }
>  EXPORT_SYMBOL_GPL(iscsi_destroy_conn);