From: Joe Perches <joe@perches.com>
Date: Tue, 11 Oct 2016 20:51:44 +0000 (-0700)
Subject: checkpatch: see if modified files are marked obsolete in MAINTAINERS
X-Git-Tag: v4.9-rc1~42^2~87
X-Git-Url: http://git.cascardo.info/?p=cascardo%2Flinux.git;a=commitdiff_plain;h=85b0ee18bbf82cb3e1880c718749149c6ed61058

checkpatch: see if modified files are marked obsolete in MAINTAINERS

Use get_maintainer to check the status of individual files.  If
"obsolete", suggest leaving the files alone.

Link: http://lkml.kernel.org/r/7ceaa510dc9d2df05ec4b456baed7bb1415550b3.1471889575.git.joe@perches.com
Signed-off-by: Joe Perches <joe@perches.com>
Cc: SF Markus Elfring <elfring@users.sourceforge.net>
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 206a6b346a8d..34b445574011 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -704,6 +704,16 @@ sub seed_camelcase_file {
 	}
 }
 
+sub is_maintained_obsolete {
+	my ($filename) = @_;
+
+	return 0 if (!(-e "$root/scripts/get_maintainer.pl"));
+
+	my $status = `perl $root/scripts/get_maintainer.pl --status --nom --nol --nogit --nogit-fallback $filename 2>&1`;
+
+	return $status =~ /obsolete/i;
+}
+
 my $camelcase_seeded = 0;
 sub seed_camelcase_includes {
 	return if ($camelcase_seeded);
@@ -2289,6 +2299,10 @@ sub process {
 		}
 
 		if ($found_file) {
+			if (is_maintained_obsolete($realfile)) {
+				WARN("OBSOLETE",
+				     "$realfile is marked as 'obsolete' in the MAINTAINERS hierarchy.  No unnecessary modifications please.\n");
+			}
 			if ($realfile =~ m@^(?:drivers/net/|net/|drivers/staging/)@) {
 				$check = 1;
 			} else {