Fix NULL pointer dereference

Change-Id: Ic26845acba0aa2ea9b955885bea1cdb8bdefe876

diff --git a/src/tethering.c b/src/tethering.c
index 1772308..acca9ae 100755 (executable)
--- a/src/tethering.c
+++ b/src/tethering.c
@@ -427,6 +427,7 @@ static void __invoke_disabled_cb(__tethering_h *th, tethering_type_e type, GVari
                return;
        }
 
+       dcb = th->disabled_cb[type];
        data = th->disabled_user_data[type];
 
        g_variant_get(parameters, "(s)", &buf);