diff options
| -rwxr-xr-x | scripts/checkpatch.pl | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index d12435992dea..421bbb47844f 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -2552,8 +2552,15 @@ sub process { } } - if ($line =~ /^\+.*(\w+\s*)?\(\s*$Type\s*\)[ \t]+(?!$Assignment|$Arithmetic|[,;:\?\(\{\}\[\<\>]|&&|\|\||\\$)/ && - (!defined($1) || $1 !~ /sizeof\s*/)) { +# check for space after cast like "(int) foo" or "(struct foo) bar" +# avoid checking a few false positives: +# "sizeof(<type>)" or "__alignof__(<type>)" +# function pointer declarations like "(*foo)(int) = bar;" +# structure definitions like "(struct foo) { 0 };" +# multiline macros that define functions +# known attributes or the __attribute__ keyword + if ($line =~ /^\+(.*)\(\s*$Type\s*\)([ \t]++)((?![={]|\\$|$Attribute|__attribute__))/ && + (!defined($1) || $1 !~ /\b(?:sizeof|__alignof__)\s*$/)) { if (CHK("SPACING", "No space is necessary after a cast\n" . $herecurr) && $fix) { |