1386 	struct return_instance *ri, *tmp;  in uprobe_free_utask()  local
1394 	ri = utask->return_instances;  in uprobe_free_utask()
1395 	while (ri) {  in uprobe_free_utask()
1396 		tmp = ri;  in uprobe_free_utask()
1397 		ri = ri->next;  in uprobe_free_utask()
1520 	struct return_instance *ri;  in prepare_uretprobe()  local
1539 	ri = kzalloc(sizeof(struct return_instance), GFP_KERNEL);  in prepare_uretprobe()
1540 	if (!ri)  in prepare_uretprobe()
1569 	ri->uprobe = uprobe;  in prepare_uretprobe()
1570 	ri->func = instruction_pointer(regs);  in prepare_uretprobe()
1571 	ri->orig_ret_vaddr = orig_ret_vaddr;  in prepare_uretprobe()
1572 	ri->chained = chained;  in prepare_uretprobe()
1577 	ri->next = utask->return_instances;  in prepare_uretprobe()
1578 	utask->return_instances = ri;  in prepare_uretprobe()
1583 	kfree(ri);  in prepare_uretprobe()
1756 handle_uretprobe_chain(struct return_instance *ri, struct pt_regs *regs)  in handle_uretprobe_chain()  argument
1758 	struct uprobe *uprobe = ri->uprobe;  in handle_uretprobe_chain()
1764 			uc->ret_handler(uc, ri->func, regs);  in handle_uretprobe_chain()
1772 	struct return_instance *ri, *tmp;  in handle_trampoline()  local
1779 	ri = utask->return_instances;  in handle_trampoline()
1780 	if (!ri)  in handle_trampoline()
1788 	instruction_pointer_set(regs, ri->orig_ret_vaddr);  in handle_trampoline()
1791 		handle_uretprobe_chain(ri, regs);  in handle_trampoline()
1793 		chained = ri->chained;  in handle_trampoline()
1794 		put_uprobe(ri->uprobe);  in handle_trampoline()
1796 		tmp = ri;  in handle_trampoline()
1797 		ri = ri->next;  in handle_trampoline()
1803 		BUG_ON(!ri);  in handle_trampoline()
1806 	utask->return_instances = ri;  in handle_trampoline()