Check for invalid devices first

diff --git a/src/device.c b/src/device.c
index 48f3f7d..832146f 100644 (file)
--- a/src/device.c
+++ b/src/device.c
@@ -587,7 +587,7 @@ static void remove_driver(struct connman_element *element, gpointer user_data)
 
 connman_bool_t __connman_device_has_driver(struct connman_device *device)
 {
-       if (device->driver == NULL)
+       if (device == NULL || device->driver == NULL)
                return FALSE;
 
        return device->registered;