96 	unsigned long ret;  in get_user_stack_nth()  local
101 	if (copy_from_user(&ret, (void __force __user *) addr, sizeof(ret)))  in get_user_stack_nth()
104 	return ret;  in get_user_stack_nth()
142 	long ret;  in DEFINE_BASIC_FETCH_FUNCS()  local
151 	ret = strncpy_from_user(dst, src, maxlen);  in DEFINE_BASIC_FETCH_FUNCS()
153 	if (ret < 0) {	/* Failed to fetch string */  in DEFINE_BASIC_FETCH_FUNCS()
157 		*(u32 *)dest = make_data_rloc(ret, get_rloc_offs(rloc));  in DEFINE_BASIC_FETCH_FUNCS()
310 	int ret;  in unregister_trace_uprobe()  local
312 	ret = unregister_uprobe_event(tu);  in unregister_trace_uprobe()
313 	if (ret)  in unregister_trace_uprobe()
314 		return ret;  in unregister_trace_uprobe()
325 	int ret;  in register_trace_uprobe()  local
334 		ret = unregister_trace_uprobe(old_tu);  in register_trace_uprobe()
335 		if (ret)  in register_trace_uprobe()
339 	ret = register_uprobe_event(tu);  in register_trace_uprobe()
340 	if (ret) {  in register_trace_uprobe()
341 		pr_warn("Failed to register probe event(%d)\n", ret);  in register_trace_uprobe()
350 	return ret;  in register_trace_uprobe()
368 	int i, ret;  in create_trace_uprobe()  local
371 	ret = 0;  in create_trace_uprobe()
410 		int ret;  in create_trace_uprobe()  local
425 		ret = unregister_trace_uprobe(tu);  in create_trace_uprobe()
427 		return ret;  in create_trace_uprobe()
436 		ret = -EINVAL;  in create_trace_uprobe()
442 	ret = kern_path(filename, LOOKUP_FOLLOW, &path);  in create_trace_uprobe()
443 	if (ret)  in create_trace_uprobe()
450 		ret = -EINVAL;  in create_trace_uprobe()
454 	ret = kstrtoul(arg, 0, &offset);  in create_trace_uprobe()
455 	if (ret)  in create_trace_uprobe()
468 			ret = -ENOMEM;  in create_trace_uprobe()
484 		ret = PTR_ERR(tu);  in create_trace_uprobe()
493 		ret = -ENOMEM;  in create_trace_uprobe()
498 	ret = 0;  in create_trace_uprobe()
519 			ret = -ENOMEM;  in create_trace_uprobe()
525 			ret = -EINVAL;  in create_trace_uprobe()
532 			ret = -EINVAL;  in create_trace_uprobe()
537 		ret = traceprobe_parse_probe_arg(arg, &tu->tp.size, parg,  in create_trace_uprobe()
540 		if (ret) {  in create_trace_uprobe()
541 			pr_info("Parse error at argument[%d]. (%d)\n", i, ret);  in create_trace_uprobe()
546 	ret = register_trace_uprobe(tu);  in create_trace_uprobe()
547 	if (ret)  in create_trace_uprobe()
553 	return ret;  in create_trace_uprobe()
560 	return ret;  in create_trace_uprobe()
566 	int ret = 0;  in cleanup_all_probes()  local
571 		ret = unregister_trace_uprobe(tu);  in cleanup_all_probes()
572 		if (ret)  in cleanup_all_probes()
576 	return ret;  in cleanup_all_probes()
637 	int ret;  in probes_open()  local
640 		ret = cleanup_all_probes();  in probes_open()
641 		if (ret)  in probes_open()
642 			return ret;  in probes_open()
734 	int ret = 0;  in uprobe_buffer_enable()  local
739 		ret = uprobe_buffer_init();  in uprobe_buffer_enable()
740 		if (ret < 0)  in uprobe_buffer_enable()
744 	return ret;  in uprobe_buffer_enable()
904 	int ret;  in probe_event_enable()  local
930 	ret = uprobe_buffer_enable();  in probe_event_enable()
931 	if (ret)  in probe_event_enable()
935 	ret = uprobe_register(tu->inode, tu->offset, &tu->consumer);  in probe_event_enable()
936 	if (ret)  in probe_event_enable()
952 	return ret;  in probe_event_enable()
987 	int ret, i, size;  in uprobe_event_define_fields()  local
1003 		ret = trace_define_field(event_call, parg->type->fmttype,  in uprobe_event_define_fields()
1008 		if (ret)  in uprobe_event_define_fields()
1009 			return ret;  in uprobe_event_define_fields()
1097 	int ret;  in uprobe_perf_filter()  local
1101 	ret = __uprobe_perf_filter(&tu->filter, mm);  in uprobe_perf_filter()
1104 	return ret;  in uprobe_perf_filter()
1223 	int ret = 0;  in uprobe_dispatcher()  local
1244 		ret |= uprobe_trace_func(tu, regs, ucb, dsize);  in uprobe_dispatcher()
1248 		ret |= uprobe_perf_func(tu, regs, ucb, dsize);  in uprobe_dispatcher()
1251 	return ret;  in uprobe_dispatcher()
1296 	int ret;  in register_uprobe_event()  local
1306 	ret = register_trace_event(&call->event);  in register_uprobe_event()
1307 	if (!ret) {  in register_uprobe_event()
1315 	ret = trace_add_event_call(call);  in register_uprobe_event()
1317 	if (ret) {  in register_uprobe_event()
1324 	return ret;  in register_uprobe_event()
1329 	int ret;  in unregister_uprobe_event()  local
1332 	ret = trace_remove_event_call(&tu->tp.call);  in unregister_uprobe_event()
1333 	if (ret)  in unregister_uprobe_event()
1334 		return ret;  in unregister_uprobe_event()