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authorAndi Kleen <ak@linux.intel.com>2010-05-24 21:33:29 (GMT)
committerLinus Torvalds <torvalds@linux-foundation.org>2010-05-25 15:07:06 (GMT)
commit3354957a4f8b9bb4b43625232acdf0626851c82f (patch)
tree8b6b363e9114611a3261c600f937bce75c81cbdd /scripts/checkpatch.pl
parent965fd9e9a2d6d0a2704815e4579008a9f65282a0 (diff)
checkpatch: add check for too short Kconfig descriptions
I've seen various new Kconfigs with rather unhelpful one liner descriptions. Add a Kconfig warning for a minimum length of the Kconfig help section. Right now I arbitarily chose 4. The exact value can be debated. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Andi Kleen <ak@linux.intel.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.pl15
1 files changed, 15 insertions, 0 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index f2bbea9..de0f467 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -1382,6 +1382,21 @@ sub process {
ERROR("trailing whitespace\n" . $herevet);
}
+# check for Kconfig help text having a real description
+ if ($realfile =~ /Kconfig/ &&
+ $line =~ /\+?\s*(---)?help(---)?$/) {
+ my $length = 0;
+ for (my $l = $linenr; defined($lines[$l]); $l++) {
+ my $f = $lines[$l];
+ $f =~ s/#.*//;
+ $f =~ s/^\s+//;
+ next if ($f =~ /^$/);
+ last if ($f =~ /^\s*config\s/);
+ $length++;
+ }
+ WARN("please write a paragraph that describes the config symbol fully\n" . $herecurr) if ($length < 4);
+ }
+
# check we are in a valid source file if not then ignore this hunk
next if ($realfile !~ /\.(h|c|s|S|pl|sh)$/);

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