linux-kernel - Re: [PATCH] [SCSI] libsas: add missing newline when printing 'enable' by sysfs

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Message-ID: <648c18d0-cc0a-f444-e774-e0938f697e90@huawei.com>
Date:   Fri, 17 Jul 2020 08:54:19 +0100
From:   John Garry <john.garry@...wei.com>
To:     Xiongfeng Wang <wangxiongfeng2@...wei.com>, <jejb@...ux.ibm.com>,
        <martin.petersen@...cle.com>
CC:     <linux-scsi@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <guohanjun@...wei.com>
Subject: Re: [PATCH] [SCSI] libsas: add missing newline when printing 'enable'
 by sysfs

On 17/07/2020 08:36, Xiongfeng Wang wrote:

Hi,

I think "scsi: scsi_transport_sas: " would be a better subject prefix, 
as this is not libsas code.

> When I cat sysfs file 'enable' below 'sas_phy', it displays as follows.
> It's better to add a newline for easy reading.
> 
> [root@...alhost ~]# cat /sys/devices/pci0000:00/0000:00:0d.0/0000:0f:00.0/host3/phy-3:2/sas_phy/phy-3:2/enable
> 1[root@...alhost ~]#
> 
> Signed-off-by: Xiongfeng Wang <wangxiongfeng2@...wei.com>

Apart from above,
Reviewed-by: John Garry <john.garry@...wei.com>

> ---
>   drivers/scsi/scsi_transport_sas.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/scsi/scsi_transport_sas.c b/drivers/scsi/scsi_transport_sas.c
> index 182fd25..e443dee 100644
> --- a/drivers/scsi/scsi_transport_sas.c
> +++ b/drivers/scsi/scsi_transport_sas.c
> @@ -563,7 +563,7 @@ static ssize_t do_sas_phy_enable(struct device *dev,
>   {
>   	struct sas_phy *phy = transport_class_to_phy(dev);
>   
> -	return snprintf(buf, 20, "%d", phy->enabled);
> +	return snprintf(buf, 20, "%d\n", phy->enabled);
>   }
>   
>   static DEVICE_ATTR(enable, S_IRUGO | S_IWUSR, show_sas_phy_enable,
>