Check usb_get_port_path() return value

[libsigrok.git] / src / hardware / victor-dmm / api.c

diff --git a/src/hardware/victor-dmm/api.c b/src/hardware/victor-dmm/api.c
index 6a9b774fc98d6988a8e4b2f0083585cdd9a1e170..d415a3f9cc86c4809db8dd44898a1c222dec3d19 100644 (file)
--- a/src/hardware/victor-dmm/api.c
+++ b/src/hardware/victor-dmm/api.c
@@ -69,7 +69,8 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options)
                if (des.idVendor != VICTOR_VID || des.idProduct != VICTOR_PID)
                        continue;
 
-               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;
 
                sdi = g_malloc0(sizeof(struct sr_dev_inst));
                sdi->status = SR_ST_INACTIVE;