[PATCH] checkpatch: don't require octal permissions for "0"

[Bartosz Golaszewski <brgl@bgdev.pl>]

If the permission value is 0, don't raise the NON_OCTAL_PERMISSIONS
error. There's no possibility of an error if there are no permissions.

Suggested-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
---
 scripts/checkpatch.pl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 6b130a4116fa..ea98e298d3ac 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -6321,7 +6321,7 @@ sub process {
 				if ($stat =~ /$test/) {
 					my $val = $1;
 					$val = $6 if ($skip_args ne "");
-					if (($val =~ /^$Int$/ && $val !~ /^$Octal$/) ||
+					if (($val ne "0" && $val =~ /^$Int$/ && $val !~ /^$Octal$/) ||
 					    ($val =~ /^$Octal$/ && length($val) ne 4)) {
 						ERROR("NON_OCTAL_PERMISSIONS",
 						      "Use 4 digit octal (0777) not decimal permissions\n" . "$here\n" . $stat_real);
-- 
2.15.1