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

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Message-ID: <6381e401-53d3-3693-03ea-f709e95a3ec8@huawei.com>
Date:   Fri, 17 Jul 2020 16:28:53 +0800
From:   Xiongfeng Wang <wangxiongfeng2@...wei.com>
To:     John Garry <john.garry@...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

Hi John,

On 2020/7/17 15:54, John Garry wrote:
> 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>

Thanks for your review. I will send another version.

Thanks,
Xiongfeng

> 
>> ---
>>   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,
>>
> 
> 
> .