From: Alberto Panizzo <maramaopercheseimorto@gmail.com>
Date: Fri, 5 Mar 2010 21:43:54 +0000 (-0800)
Subject: checkpatch.pl: warn if an adding line introduce spaces before tabs.
X-Git-Tag: v2.6.34-rc1~66
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=commitdiff_plain;h=08e4436566250cb98b3f3ac37643b1cf09481256

checkpatch.pl: warn if an adding line introduce spaces before tabs.

Signed-off-by: Alberto Panizzo <maramaopercheseimorto@gmail.com>
Cc: Andy Whitcroft <apw@shadowen.org>
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 1a93ac265c31..cf4e44cf3c27 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -1422,6 +1422,12 @@ sub process {
 			ERROR("code indent should use tabs where possible\n" . $herevet);
 		}
 
+# check for space before tabs.
+		if ($rawline =~ /^\+/ && $rawline =~ / \t/) {
+			my $herevet = "$here\n" . cat_vet($rawline) . "\n";
+			WARN("please, no space before tabs\n" . $herevet);
+		}
+
 # check we are in a valid C source file if not then ignore this hunk
 		next if ($realfile !~ /\.(h|c)$/);