Am 12.03.2015 um 15:56 schrieb Andy Whitcroft:
> On Thu, Mar 12, 2015 at 07:13:35AM -0700, Joe Perches wrote:
>> On Thu, 2015-03-12 at 15:07 +0100, Christian Borntraeger wrote:
>>> while porting commit 89a883530fe7 ("checkpatch: ## is not a valid
>>> modifier") to QEMU, Peter Maydell noticed that the | at the end of
>>> the list is not necessary.
>>>
>>> Lets get rid of it in kernel checkpatch.pl
>>
>> Andy? Was that meant to allow nothing?
>>
>>> diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
>> []
>>> @@ -1550,7 +1550,7 @@ sub possible {
>>> asm|__asm__|
>>> do|
>>> \#|
>>> - \#\#|
>>> + \#\#
>>> )(?:\s|$)|
>>> ^(?:typedef|struct|enum)\b
>>> )}x;
>
> Blimey you tax my memory indeed.
>
> The two places it is used we are saying that the strings which match are
> not modifiers. So it seems sane that we would want to reject the empty
> string in that case. That said, it does not appear any of the callers
> would call with a blank string. I would suggest we had it like that as
> a safety feature, _though_ if we had I would have expected it to have a
> nice shiney comment to say just how smart we being using that trailing
> or and so likely as not is is unintentional.
>
> tl;dr I think it is safe to elide it with the current callers, it being
> there seems safe, but if it stays damn it should have a comment to say
> its a safety net and not just hide out.
>
> -apw
>
So how to proceed?
Take my patch, drop my patch or rework my patch?
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