int err = 0; unsigned long flags; spin_lock_irqsave(&die_notifier_lock, flags); err = notifier_chain_register(&ia64die_chain, nb); spin_unlock_irqrestore(&die_notifier_lock, flags); return err; 
return notifier_chain_register(&ia64die_chain, nb); 
int register_die_notifier(struct notifier_block *nb){	int err = 0;	unsigned long flags;	spin_lock_irqsave(&die_notifier_lock, flags);	err = notifier_chain_register(&ia64die_chain, nb);	spin_unlock_irqrestore(&die_notifier_lock, flags);	return err;}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/9138d581b0ef855c0314c41c14852a7231b9941c/traps.c/buggy/arch/ia64/kernel/traps.c