void function lines that use a single tab then "return;"
are generally unnecessary.
Signed-off-by: Joe Perches <j...@perches.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,})/) {
--
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