linux-kernel - [PATCH] checkpatch: avoid warning on page flag acessors

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Date:	Tue, 14 May 2013 09:45:51 -0700
From:	Cody P Schafer <cody@...ux.vnet.ibm.com>
To:	Joe Perches <joe@...ches.com>, Andy Whitcroft <apw@...onical.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Cody P Schafer <cody@...ux.vnet.ibm.com>
Subject: [PATCH] checkpatch: avoid warning on page flag acessors

Using Page*() triggers a camelcase warning, but shouldn't.

Introduced by be987d9f80354e2e919926349282facd74992f90, which added the
other Page flag users.

Pipe ('|') at the end of a grouping doesn't cause the grouping to match
an emtpy string, use ? after the grouping instead to get the desired
behavior.

Signed-off-by: Cody P Schafer <cody@...ux.vnet.ibm.com>
---
 scripts/checkpatch.pl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index b954de5..ee24026 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -2939,7 +2939,7 @@ sub process {
 			my $var = $1;
 			if ($var !~ /$Constant/ &&
 			    $var =~ /[A-Z]\w*[a-z]|[a-z]\w*[A-Z]/ &&
-			    $var !~ /"^(?:Clear|Set|TestClear|TestSet|)Page[A-Z]/ &&
+			    $var !~ /"^(?:Clear|Set|TestClear|TestSet)?Page[A-Z]/ &&
 			    !defined $camelcase{$var}) {
 				$camelcase{$var} = 1;
 				WARN("CAMELCASE",
-- 
1.8.2.2

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