Add Linux TAP

components/device_list/device_list.c

@@ -34,6 +34,11 @@ device_info_t *device_list_find_by_mac(const struct eth_addr *mac)
 
 bool device_list_add_or_update(const device_info_t *device)
 {
+    if (device == NULL)
+    {
+        return false;
+    }
+
     device_info_t *existing_device = device_list_find_by_mac(&device->mac);
 
     if (existing_device != NULL)
@@ -73,4 +78,4 @@ const device_info_t *device_list_get_by_index(size_t index)
     }
 
     return &device_list[index];
-}
+}