[<prev] [next>] [thread-next>] [day] [month] [year] [list]
Message-ID: <1401728316.5770.9.camel@joe-AO725>
Date: Mon, 02 Jun 2014 09:58:36 -0700
From: Joe Perches <joe@...ches.com>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH] checkpatch: Warn on unnecessary void function return
statements
void function lines that use a single tab then "return;"
are generally unnecessary.
Signed-off-by: Joe Perches <joe@...ches.com>
---
scripts/checkpatch.pl | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 7774025..f9bb12c 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -3470,6 +3470,13 @@ sub process {
}
}
+# unnecessary return in a void function? (a single leading tab, then return;)
+ if ($sline =~ /^\+\treturn\s*;\s*$/ &&
+ $prevline =~ /^\+/) {
+ WARN("RETURN_VOID",
+ "void function return statements are not generally useful\n" . $herecurr);
+ }
+
# if statements using unnecessary parentheses - ie: if ((foo == bar))
if ($^V && $^V ge 5.10.0 &&
$line =~ /\bif\s*((?:\(\s*){2,})/) {
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists