6798 	ssize_t sret;  in tracing_read_pipe()  local
6808 	sret = trace_seq_to_user(&iter->seq, ubuf, cnt);  in tracing_read_pipe()
6809 	if (sret != -EBUSY)  in tracing_read_pipe()
6815 		sret = iter->trace->read(iter, filp, ubuf, cnt, ppos);  in tracing_read_pipe()
6816 		if (sret)  in tracing_read_pipe()
6821 	sret = tracing_wait_pipe(filp);  in tracing_read_pipe()
6822 	if (sret <= 0)  in tracing_read_pipe()
6827 		sret = 0;  in tracing_read_pipe()
6882 	sret = trace_seq_to_user(&iter->seq, ubuf, cnt);  in tracing_read_pipe()
6890 	if (sret == -EBUSY)  in tracing_read_pipe()
6896 	return sret;  in tracing_read_pipe()