From 45042732f39ecd42794c256bf98f231e58849c3e Mon Sep 17 00:00:00 2001
From: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Date: Wed, 4 Oct 2017 18:44:20 +0300
Subject: [PATCH] checkpatch: fix incompatibility with old perl

Do not use '/r' modifier which was introduced in perl 5.14.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
Fixes: 3e5875afc0f ("checkpatch: check trace-events code style")
Tested-by: Alex Williamson <alex.williamson@redhat.com>
Message-id: 20171004154420.34596-1-vsementsov@virtuozzo.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
---
 scripts/checkpatch.pl | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 3c0a28e644..0c41f1212f 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -1432,7 +1432,8 @@ sub process {
 					qr/%[-+ *.0-9]*([hljztL]|ll|hh)?(x|X|"\s*PRI[xX][^"]*"?)/;
 
 				# don't consider groups splitted by [.:/ ], like 2A.20:12ab
-				my $tmpline = $rawline =~ s/($hex[.:\/ ])+$hex//gr;
+				my $tmpline = $rawline;
+				$tmpline =~ s/($hex[.:\/ ])+$hex//g;
 
 				if ($tmpline =~ /(?<!0x)$hex/) {
 					ERROR("Hex numbers must be prefixed with '0x'\n" .