linux-kernel - [PATCH 3/7] checkpatch: indent checks -- stop when we run out of continuation lines

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Date:	Fri, 21 Aug 2009 22:46:06 +0100
From:	Andy Whitcroft <apw@...onical.com>
To:	Andrew Morton <akpm@...l.org>
Cc:	Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org,
	Andy Whitcroft <apw@...onical.com>
Subject: [PATCH 3/7] checkpatch: indent checks -- stop when we run out of continuation lines

Ensure we terminate when there are no futher continuation lines when
trying to determine relative indent of conditionals and their blocks.

Reported-by: John Daiker <daikerjohn@...il.com>
Signed-off-by: Andy Whitcroft <apw@...onical.com>
---
 scripts/checkpatch.pl |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index aa009a3..b6f267b 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -1547,8 +1547,9 @@ sub process {
 				    $s =~ /^\s*#\s*?/ ||
 				    $s =~ /^\s*$Ident\s*:/) {
 					$continuation = ($s =~ /^.*?\\\n/) ? 1 : 0;
-					$s =~ s/^.*?\n//;
-					$cond_lines++;
+					if ($s =~ s/^.*?\n//) {
+						$cond_lines++;
+					}
 				}
 			}
 
-- 
1.6.3.3

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