linux-kernel - Re: checkpatch WARNING: patch prefix 'b' exists, appears to be a -p0 patch

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Date:	Wed, 19 Oct 2011 12:32:53 +0100
From:	Jonathan Cameron <jic23@....ac.uk>
To:	Wolfram Sang <w.sang@...gutronix.de>
CC:	David Rientjes <rientjes@...gle.com>,
	Joe Perches <joe@...ches.com>,
	Andy Whitcroft <apw@...onical.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: checkpatch WARNING: patch prefix 'b' exists, appears to be a
 -p0 patch

On 10/19/11 12:22, Wolfram Sang wrote:
>> Maybe something as simple as a comment in the checkpatch source
>> to say that such a file / directory can cause false positives?
> 
> I'd hope this error message would be clear enough, what do you think?
Would have told me what was going on!

Acked-by: Jonathan Cameron <jic23@....ac.uk>
> 
> diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
> index 3dfc471..19e4de7 100755
> --- a/scripts/checkpatch.pl
> +++ b/scripts/checkpatch.pl
> @@ -1506,7 +1506,7 @@ sub process {
>  			if (!$file && $tree && $p1_prefix ne '' &&
>  			    -e "$root/$p1_prefix") {
>  				WARN("PATCH_PREFIX",
> -				     "patch prefix '$p1_prefix' exists, appears to be a -p0 patch\n");
> +				     "patch prefix '$p1_prefix' exists as file/directory. Make sure this isn't a -p0 patch\n");
>  			}
>  
>  			if ($realfile =~ m@...clude/asm/@) {
> 


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