Check usb_get_port_path() return value

[libsigrok.git] / src / hardware / hantek-4032l / api.c

diff --git a/src/hardware/hantek-4032l/api.c b/src/hardware/hantek-4032l/api.c
index 626175f07873dd5daa99a23ca881edb72f21c262..67dc968dcaea91c423ceb0382607982ffa0f1154 100644 (file)
--- a/src/hardware/hantek-4032l/api.c
+++ b/src/hardware/hantek-4032l/api.c
@@ -180,7 +180,8 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options)
                    des.idProduct != H4032L_USB_PRODUCT)
                        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->driver = &hantek_4032l_driver_info;