linux-kernel - RE: [PATCH] scsi: storvsc: Fix error return in storvsc

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Message-ID: <MW2PR2101MB1052867F6E39E77E165B0B55D7F61@MW2PR2101MB1052.namprd21.prod.outlook.com>
Date:   Sun, 29 Nov 2020 16:47:04 +0000
From:   Michael Kelley <mikelley@...rosoft.com>
To:     Jing Xiangfeng <jingxiangfeng@...wei.com>,
        KY Srinivasan <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        "wei.liu@...nel.org" <wei.liu@...nel.org>,
        "jejb@...ux.ibm.com" <jejb@...ux.ibm.com>,
        "martin.petersen@...cle.com" <martin.petersen@...cle.com>,
        Long Li <longli@...rosoft.com>, cavery <cavery@...hat.com>
CC:     "linux-hyperv@...r.kernel.org" <linux-hyperv@...r.kernel.org>,
        "linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH] scsi: storvsc: Fix error return in storvsc_probe()

From: Jing Xiangfeng <jingxiangfeng@...wei.com> Sent: Thursday, November 26, 2020 7:02 PM
> 
> Fix to return a error code "-ENOMEM" from the error handling case
> instead of 0.
> 
> Fixes: 436ad9413353 ("scsi: storvsc: Allow only one remove lun work item to be issued per
> lun")
> Signed-off-by: Jing Xiangfeng <jingxiangfeng@...wei.com>
> ---
>  drivers/scsi/storvsc_drv.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
> index 0c65fbd41035..ded00a89bfc4 100644
> --- a/drivers/scsi/storvsc_drv.c
> +++ b/drivers/scsi/storvsc_drv.c
> @@ -1994,8 +1994,10 @@ static int storvsc_probe(struct hv_device *device,
>  			alloc_ordered_workqueue("storvsc_error_wq_%d",
>  						WQ_MEM_RECLAIM,
>  						host->host_no);
> -	if (!host_dev->handle_error_wq)
> +	if (!host_dev->handle_error_wq) {
> +		ret = -ENOMEM;
>  		goto err_out2;
> +	}
>  	INIT_WORK(&host_dev->host_scan_work, storvsc_host_scan);
>  	/* Register the HBA and start the scsi bus scan */
>  	ret = scsi_add_host(host, &device->device);
> --
> 2.22.0

Reviewed-by: Michael Kelley <mikelley@...rosoft.com>