[PATCH] lockdep: use BUILD_BUG_ON
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>
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@ -1114,8 +1114,6 @@ static int count_matching_names(struct lock_class *new_class)
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return count + 1;
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return count + 1;
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}
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}
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extern void __error_too_big_MAX_LOCKDEP_SUBCLASSES(void);
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/*
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/*
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* Register a lock's class in the hash-table, if the class is not present
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* Register a lock's class in the hash-table, if the class is not present
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* yet. Otherwise we look it up. We cache the result in the lock object
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* yet. Otherwise we look it up. We cache the result in the lock object
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@ -1153,8 +1151,7 @@ look_up_lock_class(struct lockdep_map *lock, unsigned int subclass)
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* (or spin_lock_init()) call - which acts as the key. For static
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* (or spin_lock_init()) call - which acts as the key. For static
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* locks we use the lock object itself as the key.
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* locks we use the lock object itself as the key.
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*/
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*/
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if (sizeof(struct lock_class_key) > sizeof(struct lock_class))
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BUILD_BUG_ON(sizeof(struct lock_class_key) > sizeof(struct lock_class));
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__error_too_big_MAX_LOCKDEP_SUBCLASSES();
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key = lock->key->subkeys + subclass;
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key = lock->key->subkeys + subclass;
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