[NET]: skb_queue_lock_key() is no longer used.

Signed-off-by: Adrian Bunk <[e-mail]>
Acked-by: Arjan van de Ven <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

include/linux/skbuff.h

···
 	return list_->qlen;
 }
 
-extern struct lock_class_key skb_queue_lock_key;
-
 /*
  * This function creates a split out lock class for each invocation;
  * this is needed for now since a whole lot of users of the skb-queue

net/core/skbuff.c

···
 static kmem_cache_t *skbuff_fclone_cache __read_mostly;
 
 /*
- * lockdep: lock class key used by skb_queue_head_init():
- */
-struct lock_class_key skb_queue_lock_key;
-
-EXPORT_SYMBOL(skb_queue_lock_key);
-
-/*
  *	Keep out-of-line to prevent kernel bloat.
  *	__builtin_return_address is not used because it is not always
  *	reliable.