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

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Message-Id: <20171210140401.7698-1-brgl@bgdev.pl>
Date:   Sun, 10 Dec 2017 15:04:01 +0100
From:   Bartosz Golaszewski <brgl@...ev.pl>
To:     Andy Whitcroft <apw@...onical.com>, Joe Perches <joe@...ches.com>,
        Andy Shevchenko <andy.shevchenko@...il.com>
Cc:     linux-kernel@...r.kernel.org, Bartosz Golaszewski <brgl@...ev.pl>
Subject: [PATCH] checkpatch: don't require octal permissions for "0"

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@...il.com>
Signed-off-by: Bartosz Golaszewski <brgl@...ev.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