Commit 3dc3099a authored by Alexey Dobriyan's avatar Alexey Dobriyan Committed by Linus Torvalds

[PATCH] lockdep: use BUILD_BUG_ON

Signed-off-by: default avatarAlexey Dobriyan <adobriyan@gmail.com>
Acked-by: default avatarIngo Molnar <mingo@elte.hu>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 39913b31
......@@ -1114,8 +1114,6 @@ static int count_matching_names(struct lock_class *new_class)
return count + 1;
}
extern void __error_too_big_MAX_LOCKDEP_SUBCLASSES(void);
/*
* Register a lock's class in the hash-table, if the class is not present
* yet. Otherwise we look it up. We cache the result in the lock object
......@@ -1153,8 +1151,7 @@ look_up_lock_class(struct lockdep_map *lock, unsigned int subclass)
* (or spin_lock_init()) call - which acts as the key. For static
* locks we use the lock object itself as the key.
*/
if (sizeof(struct lock_class_key) > sizeof(struct lock_class))
__error_too_big_MAX_LOCKDEP_SUBCLASSES();
BUILD_BUG_ON(sizeof(struct lock_class_key) > sizeof(struct lock_class));
key = lock->key->subkeys + subclass;
......
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