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authorAlberto Panizzo <maramaopercheseimorto@gmail.com>2010-03-06 00:43:54 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2010-03-06 22:26:44 +0300
commit08e4436566250cb98b3f3ac37643b1cf09481256 (patch)
treec669f150a8db7cacdcb7a720d61937f08d96d8c1 /scripts/checkpatch.pl
parent79404849e90a41ea2109bd0e2f7c7164b0c4ce73 (diff)
downloadlinux-08e4436566250cb98b3f3ac37643b1cf09481256.tar.xz
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>
Diffstat (limited to 'scripts/checkpatch.pl')
-rwxr-xr-xscripts/checkpatch.pl6
1 files changed, 6 insertions, 0 deletions
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)$/);