From 14c49e36461e8c37df824c1f52b06d9adbd8d199 Mon Sep 17 00:00:00 2001
From: Elyes Haouas <ehaouas@noos.fr>
Date: Sun, 8 May 2022 10:11:40 +0200
Subject: [PATCH] util/lint/checkpatch.pl: Fix "uninitialized value" error
 message

Change-Id: I74807f240779060158c6769f63a6e9438a6e5fbe
Signed-off-by: Elyes Haouas <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/64173
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin L Roth <gaumless@tutanota.com>
---
 util/lint/checkpatch.pl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/util/lint/checkpatch.pl b/util/lint/checkpatch.pl
index a7a31db144..6d2d1dd011 100755
--- a/util/lint/checkpatch.pl
+++ b/util/lint/checkpatch.pl
@@ -845,7 +845,7 @@ sub read_words {
 				next;
 			}
 
-			$$wordsRef .= '|' if ($$wordsRef ne "");
+			$$wordsRef .= '|' if (defined $$wordsRef);
 			$$wordsRef .= $line;
 		}
 		close($file);