Re: [PATCH v3 01/11] checkpatch: check for nested (un)?likely() calls

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



>>> +# nested likely/unlikely calls
>>> +        if ($line =~ /\b(?:(?:un)?likely)\s*\(\s*!?\s*(IS_ERR(?:_OR_NULL|_VALUE)?|WARN)/) {
>>> +            WARN("LIKELY_MISUSE",
>>
>> How do you think about to use the specification “(?:IS_ERR(?:_(?:OR_NULL|VALUE))?|WARN)”
>> in this regular expression?
…
>    IS_ERR
>    (?:_ <- Another atomic group just to show that '_' is a common prefix?

Yes. - I hope that this specification detail can help a bit.


>            Usually, Perl interpreter is very good at optimizing such things.

Would you like to help this software component by omitting a pair of
non-capturing parentheses at the beginning?

\b(?:un)?likely\s*


Regards,
Markus




[Index of Archives]     [Linux ARM Kernel]     [Linux ARM]     [Linux Omap]     [Fedora ARM]     [Linux for Sparc]     [IETF Annouce]     [Security]     [Bugtraq]     [Linux MIPS]     [ECOS]     [Asterisk Internet PBX]     [Linux API]

  Powered by Linux