afb-stub-ws: Fix segfault on diconection

Change-Id: I7826b86e4d4cc921b2daaca5c8dda0fd27faae10
Signed-off-by: José Bollo <jose.bollo@iot.bzh>

diff --git a/src/afb-stub-ws.c b/src/afb-stub-ws.c
index a8af53c..036b494 100644 (file)
--- a/src/afb-stub-ws.c
+++ b/src/afb-stub-ws.c
@@ -709,7 +709,8 @@ void afb_stub_ws_unref(struct afb_stub_ws *stubws)
 {
        if (!__atomic_sub_fetch(&stubws->refcount, 1, __ATOMIC_RELAXED)) {
                drop_all_events(stubws);
-               afb_evt_listener_unref(stubws->listener);
+               if (stubws->listener)
+                       afb_evt_listener_unref(stubws->listener);
                release_sessions(stubws);
                afb_proto_ws_unref(stubws->proto);
                afb_cred_unref(stubws->cred);