linux-kernel - [PATCH next] checkpatch: Fix perl version 5.12 and earlier incompatibility

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Message-ID: <1376145607.2083.15.camel@joe-AO722>
Date:	Sat, 10 Aug 2013 07:40:07 -0700
From:	Joe Perches <joe@...ches.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Julia Lawall <julia.lawall@...6.fr>,
	LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH next]  checkpatch: Fix perl version 5.12 and earlier
 incompatibility

commit 203489a33 ("checkpatch: add --types option
to report only specific message types") uses a
perl syntax introduced in perl version 5.14.

Use the backward compatible perl syntax instead.

Reported-by: Julia Lawall <julia.lawall@...6.fr>
Signed-off-by: Joe Perches <joe@...ches.com>
---
 scripts/checkpatch.pl | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 3ba2db6..51ee331 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -174,9 +174,9 @@ sub hash_save_array_words {
 sub hash_show_words {
 	my ($hashRef, $prefix) = @_;
 
-	if ($quiet == 0 && keys $hashRef) {
+	if ($quiet == 0 && keys %{$hashRef}) {
 		print "NOTE: $prefix message types:";
-		foreach my $word (sort keys $hashRef) {
+		foreach my $word (sort keys %{$hashRef}) {
 			print " $word";
 		}
 		print "\n\n";



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