Merge branch 'wq/for-3.14-fixes' into wq/for-3.15

To receive 70044d71d3 ("firewire: don't use PREPARE_DELAYED_WORK").
There will be further related updates in for-3.15 branch.

Signed-off-by: Tejun Heo <tj@kernel.org>

include/linux/workqueue.h

@@ -419,10 +419,7 @@ __alloc_workqueue_key(const char *fmt, unsigned int flags, int max_active,
 	static struct lock_class_key __key;				\
 	const char *__lock_name;					\
 									\
-	if (__builtin_constant_p(fmt))					\
-		__lock_name = (fmt);					\
-	else								\
-		__lock_name = #fmt;					\
+	__lock_name = #fmt#args;					\
 									\
 	__alloc_workqueue_key((fmt), (flags), (max_active),		\
 			      &__key, __lock_name, ##args);		\