checkpatch: improve test for no space after cast

sizeof(foo) is not a cast, allow a space after it.

Signed-off-by: Joe Perches <joe@perches.com>
Tested-by: Kalle Valo <kvalo@qca.qualcomm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 8a577aa..d94f5d8 100755 (executable)
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -2515,7 +2515,8 @@ sub process {
                        }
                }
 
-               if ($line =~ /^\+.*\(\s*$Type\s*\)[ \t]+(?!$Assignment|$Arithmetic|{)/) {
+               if ($line =~ /^\+.*(\w+\s*)?\(\s*$Type\s*\)[ \t]+(?!$Assignment|$Arithmetic|[,;\({\[\<\>])/ &&
+                   (!defined($1) || $1 !~ /sizeof\s*/)) {
                        if (CHK("SPACING",
                                "No space is necessary after a cast\n" . $herecurr) &&
                            $fix) {