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checkpatch: add check for too short Kconfig descriptions

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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>
This commit is contained in:
Andi Kleen 2010-05-24 14:33:29 -07:00 committed by Linus Torvalds
parent 965fd9e9a2
commit 3354957a4f
1 changed files with 15 additions and 0 deletions
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15
scripts/checkpatch.pl
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@ -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 ($realfile !~ /\.(h|c|s|S|pl|sh)$/);