Check usb_get_port_path() return value

[libsigrok.git] / src / hardware / zeroplus-logic-cube / api.c

diff --git a/src/hardware/zeroplus-logic-cube/api.c b/src/hardware/zeroplus-logic-cube/api.c
index da3899dd404d217de644efb0ad671e35b66d6aee..c2d1424b428872e00798bc3583abe7c33eb0f438 100644 (file)
--- a/src/hardware/zeroplus-logic-cube/api.c
+++ b/src/hardware/zeroplus-logic-cube/api.c
@@ -196,7 +196,8 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options)
 
                libusb_close(hdl);
 
-               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; j < zeroplus_models[j].vid; j++) {