30 	int ret;  in perf_trace_event_perm()  local
33 		ret = tp_event->perf_perm(tp_event, p_event);  in perf_trace_event_perm()
34 		if (ret)  in perf_trace_event_perm()
35 			return ret;  in perf_trace_event_perm()
52 		ret = perf_allow_tracepoint(&p_event->attr);  in perf_trace_event_perm()
53 		if (ret)  in perf_trace_event_perm()
54 			return ret;  in perf_trace_event_perm()
89 	ret = perf_allow_tracepoint(&p_event->attr);  in perf_trace_event_perm()
90 	if (ret)  in perf_trace_event_perm()
91 		return ret;  in perf_trace_event_perm()
100 	int ret = -ENOMEM;  in perf_trace_event_reg()  local
129 	ret = tp_event->class->reg(tp_event, TRACE_REG_PERF_REGISTER, NULL);  in perf_trace_event_reg()
130 	if (ret)  in perf_trace_event_reg()
151 	return ret;  in perf_trace_event_reg()
198 	int ret;  in perf_trace_event_init()  local
200 	ret = perf_trace_event_perm(tp_event, p_event);  in perf_trace_event_init()
201 	if (ret)  in perf_trace_event_init()
202 		return ret;  in perf_trace_event_init()
204 	ret = perf_trace_event_reg(tp_event, p_event);  in perf_trace_event_init()
205 	if (ret)  in perf_trace_event_init()
206 		return ret;  in perf_trace_event_init()
208 	ret = perf_trace_event_open(p_event);  in perf_trace_event_init()
209 	if (ret) {  in perf_trace_event_init()
211 		return ret;  in perf_trace_event_init()
221 	int ret = -EINVAL;  in perf_trace_init()  local
228 			ret = perf_trace_event_init(tp_event, p_event);  in perf_trace_init()
229 			if (ret)  in perf_trace_init()
236 	return ret;  in perf_trace_init()
250 	int ret;  in perf_kprobe_init()  local
258 		ret = strncpy_from_user(  in perf_kprobe_init()
261 		if (ret == KSYM_NAME_LEN)  in perf_kprobe_init()
262 			ret = -E2BIG;  in perf_kprobe_init()
263 		if (ret < 0)  in perf_kprobe_init()
276 		ret = PTR_ERR(tp_event);  in perf_kprobe_init()
281 	ret = perf_trace_event_init(tp_event, p_event);  in perf_kprobe_init()
282 	if (ret)  in perf_kprobe_init()
287 	return ret;  in perf_kprobe_init()
305 	int ret;  in perf_uprobe_init()  local
315 		ret = PTR_ERR(path);  in perf_uprobe_init()
316 		return (ret == -EINVAL) ? -E2BIG : ret;  in perf_uprobe_init()
319 		ret = -EINVAL;  in perf_uprobe_init()
326 		ret = PTR_ERR(tp_event);  in perf_uprobe_init()
336 	ret = perf_trace_event_init(tp_event, p_event);  in perf_uprobe_init()
337 	if (ret)  in perf_uprobe_init()
342 	return ret;  in perf_uprobe_init()
490 	int ret = unregister_ftrace_function(ops);  in perf_ftrace_function_unregister()  local
492 	return ret;  in perf_ftrace_function_unregister()