linux-kernel - [PATCH] checkpatch: Ignore #define TRACE

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Date:	Tue, 30 Jul 2013 11:17:06 -0700
From:	Joe Perches <joe@...ches.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Sarah Sharp <sarah.a.sharp@...ux.intel.com>,
	Li Zefan <lizefan@...wei.com>,
	Andy Whitcroft <apw@...onical.com>,
	linux-kernel@...r.kernel.org
Subject: [PATCH] checkpatch: Ignore #define TRACE_<foo> macros

The tracing subsystem uses slightly odd #defines
to set path/directory locations for include files.

These #defines can cause false positives for the
complex macro tests so add exclusions for these
specific #defines (TRACE_SYSTEM, TRACE_INCLUDE_FILE,
TRACE_INCLUDE_PATH).

Signed-off-by: Joe Perches <joe@...ches.com>
---
 scripts/checkpatch.pl | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 2ee9eb7..998ad8f 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -3374,7 +3374,8 @@ sub process {
 			    $dstat !~ /^for\s*$Constant$/ &&				# for (...)
 			    $dstat !~ /^for\s*$Constant\s+(?:$Ident|-?$Constant)$/ &&	# for (...) bar()
 			    $dstat !~ /^do\s*{/ &&					# do {...
-			    $dstat !~ /^\({/)						# ({...
+			    $dstat !~ /^\({/ &&						# ({...
+			    $ctx !~ /^.\s*#\s*define\s+TRACE_(?:SYSTEM|INCLUDE_FILE|INCLUDE_PATH)\b/)
 			{
 				$ctx =~ s/\n*$//;
 				my $herectx = $here . "\n";


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