502 void __kprobes arch_prepare_kretprobe(struct kretprobe_instance *ri,  in arch_prepare_kretprobe()  argument
505 	ri->ret_addr = (kprobe_opcode_t *)(regs->u_regs[UREG_RETPC] + 8);  in arch_prepare_kretprobe()
518 	struct kretprobe_instance *ri = NULL;  in trampoline_probe_handler()  local
540 	hlist_for_each_entry_safe(ri, tmp, head, hlist) {  in trampoline_probe_handler()
541 		if (ri->task != current)  in trampoline_probe_handler()
545 		if (ri->rp && ri->rp->handler)  in trampoline_probe_handler()
546 			ri->rp->handler(ri, regs);  in trampoline_probe_handler()
548 		orig_ret_address = (unsigned long)ri->ret_addr;  in trampoline_probe_handler()
549 		recycle_rp_inst(ri, &empty_rp);  in trampoline_probe_handler()
560 	kretprobe_assert(ri, orig_ret_address, trampoline_address);  in trampoline_probe_handler()
568 	hlist_for_each_entry_safe(ri, tmp, &empty_rp, hlist) {  in trampoline_probe_handler()
569 		hlist_del(&ri->hlist);  in trampoline_probe_handler()
570 		kfree(ri);  in trampoline_probe_handler()