linux-kernel - Re: checkpatch false positon on EXPORT

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Date:	Tue, 12 Apr 2016 11:02:56 -0700
From:	Daniel Walker <danielwa@...co.com>
To:	Joe Perches <joe@...ches.com>, Andy Whitcroft <apw@...onical.com>
Cc:	open list <linux-kernel@...r.kernel.org>,
	Daniel Walker <dwalker@...o99.com>,
	"xe-kernel@...ernal.cisco.com" <xe-kernel@...ernal.cisco.com>
Subject: Re: checkpatch false positon on EXPORT_SYMBOL

On 04/12/2016 10:49 AM, Joe Perches wrote:
>> On Tue, 2016-04-12 at 13:59 +0100, Andy Whitcroft wrote:
>> diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
> []
>> @@ -3000,7 +3000,7 @@ sub process {
>>
>>   			$realline_next = $line_nr_next;
>>   			if (defined $realline_next &&
>>   			    (!defined $lines[$realline_next - 1] ||
>> -			     substr($lines[$realline_next - 1], $off_next) =~ /^\s*$/)) {
>> +			     substr($lines[$realline_next - 1], $off_next) =~ /^($;|\s)*$/)) {
>>   				$realline_next++;
>>    			}
> This doesn't work with c99 comments like:
>
> int foo;		// comment
> EXPORT_SYMBOL(foo);	// comment
>
> but then again, there aren't any uses like that in the
> kernel tree so it almost certainly doesn't matter.
>
> Thanks Andy.


checkpatch.pl is used prior to sending code to a mailing list. So if 
someone adds code with C99 comments then they would get false warnings.

Daniel