Re: [PATCH] checkpatch: Improve CamelCase test for Page

[Joe Perches <joe@perches.com>]

On Fri, 2013-02-22 at 17:01 -0500, Peter Hurley wrote:
> I didn't bother to mention it before, but since your addressing mm
> CamelCase exceptions, perhaps
> 
>   xxxx_XXXX
>   xx_XXX_xxx
>   XXX_xxx
> 
> could be exceptions as well?

Maybe the check should only be for "[A-Z][a-z]|[a-z][A-Z]"
to make '_' and any non-alpha char a name barrier.

So vars like A_foo or b_9A would be acceptable.

Maybe:

---
 scripts/checkpatch.pl | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 747bcd7..e08e9f6 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -2929,8 +2929,8 @@ sub process {
 		while ($line =~ m{($Constant|$Lval)}g) {
 			my $var = $1;
 			if ($var !~ /$Constant/ &&
-			    $var =~ /[A-Z]\w*[a-z]|[a-z]\w*[A-Z]/ &&
-			    $var !~ /^Page[A-Z]/ &&
+			    $var =~ /[A-Z][a-z]|[a-z][A-Z]/ &&
+			    $var !~ /"^(?:Clear|Set|TestClear|TestSet|)Page[A-Z]/ && &&
 			    !defined $camelcase{$var}) {
 				$camelcase{$var} = 1;
 				WARN("CAMELCASE",