[PATCH 0/7 v2] net: Fix platform_get_irq's error checking

Arvind Yadav arvind.yadav.cs at gmail.com
Tue Dec 5 02:02:15 PST 2017


Hi Sergei,


On Tuesday 05 December 2017 03:27 PM, Sergei Shtylyov wrote:
> On 12/5/2017 12:54 PM, Sergei Shtylyov wrote:
>
>>> The platform_get_irq() function returns negative number if an error
>>> occurs, Zero if No irq is found and positive number if irq gets 
>>> successful.
>>
>>     No, returning 0 is not a failure indication anymore! It used to 
>> be but not any longer...
>
>    And I fixed this function exactly to avoid overly complex error 
> checks (which you're trying to propose here).
>
Thanks for your comment. yes you are right. Now It'll not return 0. It 
will return irq and error as negative.
I will not add a check for 0.
>>> platform_get_irq() error checking for only zero is not correct.
>>
>> [...]
>
> MBR, Sergei
Thank you,
~arvind



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