[PATCH] Fix a 64bit bug in kobject module request

From Takashi Iwai

kobj_lookup had a 64bit bug, which caused the request of a unknown
character device to burn CPU instead of failing quickly.

drivers/base/map.c

@@ -96,7 +96,7 @@ struct kobject *kobj_lookup(struct kobj_map *domain, dev_t dev, int *index)
 {
 	struct kobject *kobj;
 	struct probe *p;
-	unsigned best = ~0U;
+	unsigned long best = ~0UL;
 
 retry:
 	down_read(domain->sem);