tethering: Fix for default interface string double free

diff --git a/src/tethering.c b/src/tethering.c
index 8cbee09..c5e957d 100644 (file)
--- a/src/tethering.c
+++ b/src/tethering.c
@@ -331,6 +331,7 @@ void __connman_tethering_update_interface(const char *interface)
 
        if (interface == NULL) {
                disable_nat(interface);
+               default_interface = NULL;
 
                return;
        }