X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Fgmc-mh-1x-2x%2Fapi.c;h=5f029a9e9970e97a272b2bda5005322c96175966;hb=24a953382c4c07f4071a36897bf17c93db9ce1e7;hp=bfb211d5c6ec6447a3b7dc332caa034e5ed8d2fc;hpb=dd7a72ea697a172032f5473b0ddff5e8d47222f4;p=libsigrok.git

diff --git a/src/hardware/gmc-mh-1x-2x/api.c b/src/hardware/gmc-mh-1x-2x/api.c
index bfb211d5..5f029a9e 100644
--- a/src/hardware/gmc-mh-1x-2x/api.c
+++ b/src/hardware/gmc-mh-1x-2x/api.c
@@ -102,6 +102,7 @@ static enum model scan_model_sm(struct sr_serial_dev_inst *serial)
 	 * Try to find message consisting of device code and several
 	 * (at least 4) data bytes.
 	 */
+	serial_flush(serial);
 	for (bytecnt = 0; bytecnt < 100; bytecnt++) {
 		byte = read_byte(serial, timeout_us);
 		if ((byte == -1) || (timeout_us < g_get_monotonic_time()))
@@ -175,8 +176,6 @@ static GSList *scan_1x_2x_rs232(struct sr_dev_driver *di, GSList *options)
 		return NULL;
 	}
 
-	serial_flush(serial);
-
 	model = scan_model_sm(serial);
 
 	/*
@@ -187,10 +186,8 @@ static GSList *scan_1x_2x_rs232(struct sr_dev_driver *di, GSList *options)
 		serialcomm = SERIALCOMM_1X_RS232;
 		g_free(serial->serialcomm);
 		serial->serialcomm = g_strdup(serialcomm);
-		if (serial_set_paramstr(serial, serialcomm) == SR_OK) {
-			serial_flush(serial);
+		if (serial_set_paramstr(serial, serialcomm) == SR_OK)
 			model = scan_model_sm(serial);
-		}
 	}
 
 	if (model != METRAHIT_NONE) {
@@ -300,11 +297,9 @@ static GSList *scan_2x_bd232(struct sr_dev_driver *di, GSList *options)
 		}
 	};
 
-	/* Free last alloc if no device found */
-	if (devc->model == METRAHIT_NONE) {
-		g_free(devc);
-		sr_dev_inst_free(sdi);
-	}
+	/* Free last alloc that was done in preparation. */
+	g_free(devc);
+	sr_dev_inst_free(sdi);
 
 	return std_scan_complete(di, devices);