checkpatch: fix perl version 5.12 and earlier incompatibility
A previous patch ("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.
Signed-off-by: Joe Perches <joe@perches.com>
Reported-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 55277a8..9ba4fc4 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -174,9 +174,9 @@
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";