253 	int ret;  in set_buf_size()  local
257 	ret = strict_strtoul(str, 0, &buf_size);  in set_buf_size()
259 	if (ret < 0 || buf_size == 0)  in set_buf_size()
348 	int ret;  in trace_seq_printf()  local
354 	ret = vsnprintf(s->buffer + s->len, len, fmt, ap);  in trace_seq_printf()
358 	if (ret >= len)  in trace_seq_printf()
361 	s->len += ret;  in trace_seq_printf()
468 	int ret;  local
476 	ret = copy_to_user(ubuf, s->buffer + s->readpos, cnt);
477 	if (ret)
534 	int ret;  local
542 	ret = ring_buffer_swap_cpu(max_tr.buffer, tr->buffer, cpu);
546 	WARN_ON_ONCE(ret);
562 	int ret = 0;  local
585 			ret = -1;
617 		ret = type->selftest(type, tr);
620 		if (ret) {
643 	return ret;
949 	entry->ret				= *trace;
1533 	int ret;  local
1539 		ret = seq_print_sym_offset(s, "%s", ip);
1541 		ret = seq_print_sym_short(s, "%s", ip);
1543 	if (!ret)
1547 		ret = trace_seq_printf(s, " <" IP_FMT ">", ip);
1548 	return ret;
1556 	int ret = 1;  local
1568 			ret = trace_seq_path(s, &file->f_path);
1569 			if (ret)
1570 				ret = trace_seq_printf(s, "[+0x%lx]", ip - vmstart);
1574 	if (ret && ((sym_flags & TRACE_ITER_SYM_ADDR) || !file))
1575 		ret = trace_seq_printf(s, " <" IP_FMT ">", ip);
1576 	return ret;
1584 	int ret = 1;  local
1603 		if (ip == ULONG_MAX || !ret)
1605 		if (i && ret)
1606 			ret = trace_seq_puts(s, " <- ");
1608 			if (ret)
1609 				ret = trace_seq_puts(s, "??");
1612 		if (!ret)
1614 		if (ret)
1615 			ret = seq_print_user_ip(s, mm, ip, sym_flags);
1620 	return ret;
1964 	int ret;  local
1981 	ret = trace_seq_printf(s, "%16s-%-5d ", comm, entry->pid);
1982 	if (!ret)
1984 	ret = trace_seq_printf(s, "[%03d] ", iter->cpu);
1985 	if (!ret)
1987 	ret = trace_seq_printf(s, "%5lu.%06lu: ", secs, usec_rem);
1988 	if (!ret)
1997 		ret = seq_print_ip_sym(s, field->ip, sym_flags);
1998 		if (!ret)
2002 			ret = trace_seq_printf(s, " <-");
2003 			if (!ret)
2005 			ret = seq_print_ip_sym(s,
2008 			if (!ret)
2011 		ret = trace_seq_printf(s, "\n");
2012 		if (!ret)
2024 		ret = trace_seq_printf(s, " %5d:%3d:%c %s [%03d] %5d:%3d:%c\n",
2033 		if (!ret)
2042 		ret = trace_seq_printf(s, "# %ld %ld %ld\n",
2046 		if (!ret)
2057 				ret = trace_seq_puts(s, " <= ");
2058 				if (!ret)
2061 			ret = seq_print_ip_sym(s, field->caller[i],
2063 			if (!ret)
2066 		ret = trace_seq_puts(s, "\n");
2067 		if (!ret)
2105 		ret = seq_print_userip_objs(field, s, sym_flags);
2106 		if (!ret)
2108 		ret = trace_seq_putc(s, '\n');
2109 		if (!ret)
2121 	int ret;  local
2129 	ret = trace_seq_printf(s, "%d %d %llu ",
2131 	if (!ret)
2140 		ret = trace_seq_printf(s, "%x %x\n",
2143 		if (!ret)
2156 		ret = trace_seq_printf(s, "%d %d %c %d %d %d %c\n",
2164 		if (!ret)
2175 		ret = trace_seq_printf(s, "# %ld %ld %ld\n",
2179 		if (!ret)
2277 	int ret;  local
2281 	ret = trace_seq_printf(s, field->buf);
2282 	if (!ret)
2363 	enum print_line_t ret;  local
2366 		ret = iter->trace->print_line(iter);
2367 		if (ret != TRACE_TYPE_UNHANDLED)
2368 			return ret;
2429 __tracing_open(struct inode *inode, struct file *file, int *ret)  argument
2436 		*ret = -ENODEV;
2442 		*ret = -ENOMEM;
2473 	*ret = seq_open(file, &tracer_seq_ops);
2474 	if (*ret)
2534 	int ret;  local
2536 	__tracing_open(inode, file, &ret);
2538 	return ret;
2544 	int ret;  local
2546 	iter = __tracing_open(inode, file, &ret);
2548 	if (!ret)
2551 	return ret;
2612 	int ret;  local
2617 	ret = seq_open(file, &show_traces_seq_ops);
2618 	if (!ret) {
2623 	return ret;
2802 	int ret = 0, i = 0;  local
2810 			ret = trace->set_flag(trace_flags->val,
2820 	if (ret)
2821 		return ret;
2838 	int ret;  local
2868 		ret = set_tracer_option(current_trace, cmp, neg);
2869 		if (ret)
2870 			return ret;
2934 	int ret;  local
2944 	ret = strict_strtoul(buf, 10, &val);
2945 	if (ret < 0)
2946 		return ret;
2992 	int ret = 0;  local
3000 		ret = -EINVAL;
3012 		ret = t->init(tr);
3013 		if (ret)
3021 	return ret;
3030 	size_t ret;  local
3033 	ret = cnt;
3051 	filp->f_pos += ret;
3053 	return ret;
3078 	int ret;  local
3088 	ret = strict_strtoul(buf, 10, &val);
3089 	if (ret < 0)
3090 		return ret;
3261 		enum print_line_t ret;  local
3264 		ret = print_trace_line(iter);
3265 		if (ret == TRACE_TYPE_PARTIAL_LINE) {
3313 	int ret, cpu;  local
3323 	ret = strict_strtoul(buf, 10, &val);
3324 	if (ret < 0)
3325 		return ret;
3347 		ret = ring_buffer_resize(global_trace.buffer, val);
3348 		if (ret < 0) {
3349 			cnt = ret;
3353 		ret = ring_buffer_resize(max_tr.buffer, val);
3354 		if (ret < 0) {
3356 			cnt = ret;
3393 	int ret;  local
3396 	ret = trace_vprintk(0, -1, fmt, args);
3398 	return ret;
3681 	int ret;  local
3688 	ret = trace_vprintk(ip, task_curr_ret_stack(current), fmt, ap);
3690 	return ret;
3830 	int ret = -ENOMEM;  local
3889 	ret = 0;
3896 	return ret;