6359 	ssize_t sret;  in tracing_read_pipe()  local
6369 	sret = trace_seq_to_user(&iter->seq, ubuf, cnt);  in tracing_read_pipe()
6370 	if (sret != -EBUSY)  in tracing_read_pipe()
6376 		sret = iter->trace->read(iter, filp, ubuf, cnt, ppos);  in tracing_read_pipe()
6377 		if (sret)  in tracing_read_pipe()
6382 	sret = tracing_wait_pipe(filp);  in tracing_read_pipe()
6383 	if (sret <= 0)  in tracing_read_pipe()
6388 		sret = 0;  in tracing_read_pipe()
6446 	sret = trace_seq_to_user(&iter->seq, ubuf, cnt);  in tracing_read_pipe()
6454 	if (sret == -EBUSY)  in tracing_read_pipe()
6460 	return sret;  in tracing_read_pipe()