linux-kernel - Re: [PATCH v2 2/2] checkpatch: suggest using eth_zero_addr() and eth_broadcast

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Date:	Thu, 23 Apr 2015 16:54:08 -0700
From:	Joe Perches <joe@...ches.com>
To:	Mateusz Kulikowski <mateusz.kulikowski@...il.com>
Cc:	apw@...onical.com, davem@...emloft.net, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/2] checkpatch: suggest using eth_zero_addr() and
 eth_broadcast_addr()

On Thu, 2015-04-23 at 21:53 +0200, Mateusz Kulikowski wrote:
> On 22.04.2015 00:27, Joe Perches wrote:
> > On Tue, 2015-04-21 at 23:44 +0200, Mateusz Kulikowski wrote:
> >> On 21.04.2015 23:22, Joe Perches wrote:
> >>> On Tue, 2015-04-21 at 22:57 +0200, Mateusz Kulikowski wrote:
> >> (...)
> (...)
> >> True, True; If you prefer $line and ability to --fix - I'll use that in v3
> > 
> > I suppose you could do both $line and $stat
> > and the fix would only work when it's on a
> > single line.
> > 
> > Perhaps something like this would work:
> > 
> > 	if ($line =~ /whatever/ ||
> > 	    (defined($stat) && $stat =~ /whatever/)) {
> > 		if (WARN(...) &&
> > 		    $fix) {
> > 			fixed[$fixlinenr] =~ s/whatever/appropriate/;
> > 		}
> > 	}
> 
> Isn't it enough to just match $stat and do fix for line (that in 
> some cases will just not match)?

Yeah, that'd work too.

> One more thing
> I noticed funny behavior about $stat matches - 
> it reports the same error several times (including as "scope" whole file)
> Is it feature or "feature" or I missed something?

You have to make sure the first character of $stat is a +

	if ($stat =~ /\+(?:.*)\bmem<foo>



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