From c11230f44b3c3e055e4e7cd572fc1c4a22c6f4a9 Mon Sep 17 00:00:00 2001
From: Joe Perches <joe@perches.com>
Date: Thu, 21 Nov 2013 14:31:57 -0800
Subject: [PATCH] checkpatch: fix "Use of uninitialized value" warnings

checkpatch is currently confused about some complex macros and references
undefined variables $stat and $cond.

Make sure these are defined before using them.

Signed-off-by: Joe Perches <joe@perches.com>
Reported-by: Gerhard Sittig <gsi@denx.de>
Acked-by: Andy Whitcroft <apw@canonical.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 scripts/checkpatch.pl | 1 +
 1 file changed, 1 insertion(+)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 61090e0ff613..9c9810030377 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -3289,6 +3289,7 @@ sub process {
 			}
 		}
 		if (!defined $suppress_whiletrailers{$linenr} &&
+		    defined($stat) && defined($cond) &&
 		    $line =~ /\b(?:if|while|for)\s*\(/ && $line !~ /^.\s*#/) {
 			my ($s, $c) = ($stat, $cond);
 
-- 
2.30.2