void unregister_kretprobe(struct kretprobe *rp) 
void __kprobes unregister_kretprobe(struct kretprobe *rp) 
void unregister_kretprobe(struct kretprobe *rp){	unsigned long flags;	struct kretprobe_instance *ri;	unregister_kprobe(&rp->kp);	/* No race here */	spin_lock_irqsave(&kprobe_lock, flags);	free_rp_inst(rp);	while ((ri = get_used_rp_inst(rp)) != NULL) {		ri->rp = NULL;		hlist_del(&ri->uflist);	}	spin_unlock_irqrestore(&kprobe_lock, flags);}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/d0aaff9796c3310326d10da44fc0faed352a1d29/kprobes.c/clean/kernel/kprobes.c