linux-kernel - [PATCH 09/13] checkpatch: DEFINE_ macros are real definitions for exports

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Message-Id: <1223047554-31111-10-git-send-email-apw@shadowen.org>
Date:	Fri,  3 Oct 2008 16:25:50 +0100
From:	Andy Whitcroft <apw@...dowen.org>
To:	Andrew Morton <akpm@...l.org>
Cc:	Randy Dunlap <rdunlap@...otime.net>,
	Joel Schopp <jschopp@...tin.ibm.com>,
	Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org,
	Andy Whitcroft <apw@...dowen.org>
Subject: [PATCH 09/13] checkpatch: DEFINE_ macros are real definitions for exports

When we want to confirm an export is directly after its definition we need
to allow for DEFINE_ style macros.  Add these to the execeptions.  Refactor
the exceptions.

Signed-off-by: Andy Whitcroft <apw@...dowen.org>
---
 scripts/checkpatch.pl |   15 ++++++++-------
 1 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 54dfa2b..a675f06 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -1573,13 +1573,14 @@ sub process {
 		if (($line =~ /EXPORT_SYMBOL.*\((.*)\)/) ||
 		    ($line =~ /EXPORT_UNUSED_SYMBOL.*\((.*)\)/)) {
 			my $name = $1;
-			if (($prevline !~ /^}/) &&
-			   ($prevline !~ /^\+}/) &&
-			   ($prevline !~ /^ }/) &&
-			   ($prevline !~ /^.DECLARE_$Ident\(\Q$name\E\)/) &&
-			   ($prevline !~ /^.LIST_HEAD\(\Q$name\E\)/) &&
-			   ($prevline !~ /^.$Type\s*\(\s*\*\s*\Q$name\E\s*\)\s*\(/) &&
-			   ($prevline !~ /\b\Q$name\E(?:\s+$Attribute)?\s*(?:;|=|\[)/)) {
+			if ($prevline !~ /(?:
+				^.}|
+				^.DEFINE_$Ident\(\Q$name\E\)|
+				^.DECLARE_$Ident\(\Q$name\E\)|
+				^.LIST_HEAD\(\Q$name\E\)|
+				^.$Type\s*\(\s*\*\s*\Q$name\E\s*\)\s*\(|
+				\b\Q$name\E(?:\s+$Attribute)?\s*(?:;|=|\[)
+			    )/x) {
 				WARN("EXPORT_SYMBOL(foo); should immediately follow its function/variable\n" . $herecurr);
 			}
 		}
-- 
1.6.0.1.451.gc8d31

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