Commit 08e44365 authored by Alberto Panizzo's avatar Alberto Panizzo Committed by Linus Torvalds

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

Signed-off-by: default avatarAlberto Panizzo <maramaopercheseimorto@gmail.com>
Cc: Andy Whitcroft <apw@shadowen.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 79404849
...@@ -1422,6 +1422,12 @@ sub process { ...@@ -1422,6 +1422,12 @@ sub process {
ERROR("code indent should use tabs where possible\n" . $herevet); 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" . $herevet);
}
# check we are in a valid C source file if not then ignore this hunk # check we are in a valid C source file if not then ignore this hunk
next if ($realfile !~ /\.(h|c)$/); next if ($realfile !~ /\.(h|c)$/);
......
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