linux-kernel - Re: [V2 PATCH] selftests: watchdog: Add gettimeout and get|set pretimeout

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Date:   Wed, 26 Sep 2018 15:04:03 -0600
From:   Shuah Khan <shuah@...nel.org>
To:     Jerry.Hoemann@....com
Cc:     erosca@...adit-jv.com, linux-kselftest@...r.kernel.org,
        linux-kernel@...r.kernel.org, Shuah Khan <shuah@...nel.org>
Subject: Re: [V2 PATCH] selftests: watchdog: Add gettimeout and get|set
 pretimeout

On 09/26/2018 02:03 PM, Jerry Hoemann wrote:
> On Wed, Sep 26, 2018 at 01:47:25PM -0600, Shuah Khan wrote:
>> On 09/26/2018 10:29 AM, Jerry Hoemann wrote:
>>> On Tue, Sep 25, 2018 at 02:51:15PM -0600, Shuah Khan wrote:
>>>> Hi Jerry,
>>>>
>>>>
>>>> The rest looks good to me.
>>
>> I spoke too soon. I ran your patch on softdog and error messages in unsupported
>> cases could you refinement. Please see below:
>>
>> Sorry for not catching this earlier.
>>
>>>>
>>>>>  }
>>>>>  
>>>>>  int main(int argc, char *argv[])
>>>>> @@ -135,6 +142,30 @@ int main(int argc, char *argv[])
>>>>>  			else
>>>>>  				printf("WDIOC_SETTIMEOUT errno '%s'\n", strerror(errno));
>>>>>  			break;
>>>>> +		case 'T':
>>>>> +			oneshot = 1;
>>>>> +			ret = ioctl(fd, WDIOC_GETTIMEOUT, &flags);
>>>>> +			if (!ret)
>>>>> +				printf("WDIOC_GETTIMEOUT returns %u seconds.\n", flags);
>>>>> +			else
>>>>> +				printf("WDIOC_GETTIMEOUT errno '%s'\n", strerror(errno));
>>
>> Either remove "errno" or change it to "error '%s'"
> 
> Oh, I see. I did a cut/paste from prior printf in file which have same issue.
> I'll fix those while I'm at it.
> 
> 
> 

Thanks. That will be awesome.

-- Shuah