linux-kernel - [PATCH] checkpatch: fix left brace warning

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Message-Id: <1451490572-10096-1-git-send-email-geyslan@gmail.com>
Date:	Wed, 30 Dec 2015 12:49:31 -0300
From:	"Geyslan G. Bem" <geyslan@...il.com>
To:	peter.senna@...il.com
Cc:	"Geyslan G. Bem" <geyslan@...il.com>,
	Andy Whitcroft <apw@...onical.com>,
	Joe Perches <joe@...ches.com>, linux-kernel@...r.kernel.org
Subject: [PATCH] checkpatch: fix left brace warning

This patch escapes a regex that uses left brace.

Using checkpatch.pl with Perl 5.22.0 generates the warning: "Unescaped
left brace in regex is deprecated, passed through in regex;"

Comment from regcomp.c in Perl source: "Currently we don't warn when the
lbrace is at the start of a construct. This catches it in the middle of
a literal string, or when it's the first thing after something like
"\b"."

This works as a complement to 4e5d56bd.

Signed-off-by: Geyslan G. Bem <geyslan@...il.com>
Suggested-by: Peter Senna Tschudin <peter.senna@...il.com>
---
 scripts/checkpatch.pl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index d4960f7..3e11a30 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -4108,7 +4108,7 @@ sub process {
 ## 		}
 
 #need space before brace following if, while, etc
-		if (($line =~ /\(.*\)\{/ && $line !~ /\($Type\){/) ||
+		if (($line =~ /\(.*\)\{/ && $line !~ /\($Type\)\{/) ||
 		    $line =~ /do\{/) {
 			if (ERROR("SPACING",
 				  "space required before the open brace '{'\n" . $herecurr) &&
-- 
2.6.4

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