linux-kernel - [PATCH] checkpatch: don't try to get maintained status when --no-tree is given

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Date:   Mon, 17 Oct 2016 17:55:09 +0200
From:   Jerome Forissier <jerome.forissier@...aro.org>
To:     Andy Whitcroft <apw@...onical.com>, Joe Perches <joe@...ches.com>,
        linux-kernel@...r.kernel.org
Cc:     Jerome Forissier <jerome.forissier@...aro.org>
Subject: [PATCH] checkpatch: don't try to get maintained status when --no-tree is given

Fixes the following warning:
Use of uninitialized value $root in concatenation (.) or string at /path/to/checkpatch.pl line 764.

Signed-off-by: Jerome Forissier <jerome.forissier@...aro.org>
---
 scripts/checkpatch.pl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index a8368d1..aa694bc 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -761,7 +761,7 @@ sub seed_camelcase_file {
 sub is_maintained_obsolete {
 	my ($filename) = @_;
 
-	return 0 if (!(-e "$root/scripts/get_maintainer.pl"));
+	return 0 if (!$tree || !(-e "$root/scripts/get_maintainer.pl"));
 
 	my $status = `perl $root/scripts/get_maintainer.pl --status --nom --nol --nogit --nogit-fallback -f $filename 2>&1`;
 
-- 
2.7.4