linux-kernel - checkpatch: false positives when parsing trace includes

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Message-ID: <20140429125324.GA30689@e102654-lin.cambridge.arm.com>
Date:	Tue, 29 Apr 2014 13:53:25 +0100
From:	Javi Merino <javi.merino@....com>
To:	Andy Whitcroft <apw@...onical.com>, Joe Perches <joe@...ches.com>
Cc:	linux-kernel@...r.kernel.org
Subject: checkpatch: false positives when parsing trace includes

Hi,

checkpatch complains about the spaces before the close parenthesis in
trace events:

ERROR: space prohibited before that close parenthesis ')'
#94: FILE: include/trace/events/thermal.h:14:
+               __field(unsigned int,  freq      )

However, in that directory, that's actually the norm, not the
exception:

$ git grep '__field(' include/trace/events/ | grep -P '[ \t]+\)' | wc -l
1284
$ git grep '__field(' include/trace/events/ | wc -l
1783
$

More than 70% of the __field() entries *have* spaces before the close
parenthesis.  Should checkpatch make an exception for this directory
and not flag it as an error?

Cheers,
Javi

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