From 89a883530fe79939384a6c6ed893c719762c7c9c Mon Sep 17 00:00:00 2001
From: Andy Whitcroft <apw@canonical.com>
Date: Tue, 10 Jan 2012 15:10:00 -0800
Subject: [PATCH] checkpatch: ## is not a valid modifier

Inserting a # into the modifiers list will incorrectly add the null string
to the modifiers list, leading to an infinite loop.  As neither of these
is a valid modifier form simply ignore them.

Signed-off-by: Andy Whitcroft <apw@canonical.com>
Reported-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 scripts/checkpatch.pl | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 4c53d6f67339..b4390cf818da 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -1224,7 +1224,9 @@ sub possible {
 			case|
 			else|
 			asm|__asm__|
-			do
+			do|
+			\#|
+			\#\#|
 		)(?:\s|$)|
 		^(?:typedef|struct|enum)\b
 	    )}x;