diff options
| -rwxr-xr-x | scripts/checkpatch.pl | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 41e7db451cc0..893cbd517f89 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -3844,9 +3844,27 @@ sub process { # ie: &(foo->bar) should be &foo->bar and *(foo->bar) should be *foo->bar while ($line =~ /(?:[^&]&\s*|\*)\(\s*($Ident\s*(?:$Member\s*)+)\s*\)/g) { - CHK("UNNECESSARY_PARENTHESES", - "Unnecessary parentheses around $1\n" . $herecurr); - } + my $var = $1; + if (CHK("UNNECESSARY_PARENTHESES", + "Unnecessary parentheses around $var\n" . $herecurr) && + $fix) { + $fixed[$fixlinenr] =~ s/\(\s*\Q$var\E\s*\)/$var/; + } + } + +# check for unnecessary parentheses around function pointer uses +# ie: (foo->bar)(); should be foo->bar(); +# but not "if (foo->bar) (" to avoid some false positives + if ($line =~ /(\bif\s*|)(\(\s*$Ident\s*(?:$Member\s*)+\))[ \t]*\(/ && $1 !~ /^if/) { + my $var = $2; + if (CHK("UNNECESSARY_PARENTHESES", + "Unnecessary parentheses around function pointer $var\n" . $herecurr) && + $fix) { + my $var2 = deparenthesize($var); + $var2 =~ s/\s//g; + $fixed[$fixlinenr] =~ s/\Q$var\E/$var2/; + } + } #goto labels aren't indented, allow a single space however if ($line=~/^.\s+[A-Za-z\d_]+:(?![0-9]+)/ and |