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-rwxr-xr-xscripts/checkpatch.pl22
1 files changed, 15 insertions, 7 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index c624b04d0070..f0ea8a037a6d 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -439,9 +439,14 @@ our $FuncArg = qr{$Typecast{0,1}($LvalOrFunc|$Constant)};
sub deparenthesize {
my ($string) = @_;
return "" if (!defined($string));
- $string =~ s@^\s*\(\s*@@g;
- $string =~ s@\s*\)\s*$@@g;
+
+ while ($string =~ /^\s*\(.*\)\s*$/) {
+ $string =~ s@^\s*\(\s*@@;
+ $string =~ s@\s*\)\s*$@@;
+ }
+
$string =~ s@\s+@ @g;
+
return $string;
}
@@ -3374,14 +3379,17 @@ sub process {
}
}
-# Return is not a function.
+# return is not a function
if (defined($stat) && $stat =~ /^.\s*return(\s*)\(/s) {
my $spacing = $1;
if ($^V && $^V ge 5.10.0 &&
- $stat =~ /^.\s*return\s*$balanced_parens\s*;\s*$/) {
- ERROR("RETURN_PARENTHESES",
- "return is not a function, parentheses are not required\n" . $herecurr);
-
+ $stat =~ /^.\s*return\s*($balanced_parens)\s*;\s*$/) {
+ my $value = $1;
+ $value = deparenthesize($value);
+ if ($value =~ m/^\s*$FuncArg\s*(?:\?|$)/) {
+ ERROR("RETURN_PARENTHESES",
+ "return is not a function, parentheses are not required\n" . $herecurr);
+ }
} elsif ($spacing !~ /\s+/) {
ERROR("SPACING",
"space required before the open parenthesis '('\n" . $herecurr);