X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Fhantek-dso%2Fapi.c;h=abbeb21b207aef72c3795c0a5d162bfd069b4100;hb=6c1a76d1263403f908ac31271a4fd01792488545;hp=48beebfcadce98de9217bb6124a807c7e8881555;hpb=7bbe5a2b6a3cea7bc5b59ca3c34ed4f6fcf8c3b1;p=libsigrok.git

diff --git a/src/hardware/hantek-dso/api.c b/src/hardware/hantek-dso/api.c
index 48beebfc..abbeb21b 100644
--- a/src/hardware/hantek-dso/api.c
+++ b/src/hardware/hantek-dso/api.c
@@ -315,7 +315,8 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options)
 
 		libusb_get_device_descriptor(devlist[i], &des);
 
-		usb_get_port_path(devlist[i], connection_id, sizeof(connection_id));
+		if (usb_get_port_path(devlist[i], connection_id, sizeof(connection_id)) < 0)
+			continue;
 
 		prof = NULL;
 		for (j = 0; dev_profiles[j].orig_vid; j++) {