6924 	ssize_t sret;  in tracing_read_pipe()  local
6934 	sret = trace_seq_to_user(&iter->seq, ubuf, cnt);  in tracing_read_pipe()
6935 	if (sret != -EBUSY)  in tracing_read_pipe()
6941 		sret = iter->trace->read(iter, filp, ubuf, cnt, ppos);  in tracing_read_pipe()
6942 		if (sret)  in tracing_read_pipe()
6947 	sret = tracing_wait_pipe(filp);  in tracing_read_pipe()
6948 	if (sret <= 0)  in tracing_read_pipe()
6953 		sret = 0;  in tracing_read_pipe()
7008 	sret = trace_seq_to_user(&iter->seq, ubuf, cnt);  in tracing_read_pipe()
7016 	if (sret == -EBUSY)  in tracing_read_pipe()
7022 	return sret;  in tracing_read_pipe()