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-rwxr-xr-xscripts/checkpatch.pl24
1 files changed, 21 insertions, 3 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 41e7db451cc..893cbd517f8 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