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[PATCH] lockdep: use BUILD_BUG_ON

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Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Alexey Dobriyan 2006-10-11 01:22:06 -07:00 committed by Linus Torvalds
parent 39913b31d0
commit 3dc3099a9b
1 changed files with 1 additions and 4 deletions
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5
kernel/lockdep.c
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@ -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;