serial_stream_detect: Make read nonblocking.

This code implements its own waiting based on baudrate, so the read itself
should be nonblocking. In general it will have been already, since drivers
almost universally use the SERIAL_NONBLOCK flag.

diff --git a/src/serial.c b/src/serial.c
index 705c52df08b504ddc1cc0651bf8cf9b56d6ef02d..4943bb106e54b1f3d87e432ecd6f48549fbc3025 100644 (file)
--- a/src/serial.c
+++ b/src/serial.c
@@ -618,7 +618,7 @@ SR_PRIV int serial_stream_detect(struct sr_serial_dev_inst *serial,
 
        i = ibuf = len = 0;
        while (ibuf < maxlen) {
-               len = serial_read(serial, &buf[ibuf], 1);
+               len = serial_read_nonblocking(serial, &buf[ibuf], 1);
                if (len > 0) {
                        ibuf += len;
                } else if (len == 0) {