afb-stub-ws: Safe handling of deconnections

[src/app-framework-binder.git] / src / afb-proto-ws.c

diff --git a/src/afb-proto-ws.c b/src/afb-proto-ws.c
index 89d4522..86112a3 100644 (file)
--- a/src/afb-proto-ws.c
+++ b/src/afb-proto-ws.c
@@ -1022,7 +1022,7 @@ struct afb_proto_ws *afb_proto_ws_create_server(struct fdev *fdev, const struct
 
 void afb_proto_ws_unref(struct afb_proto_ws *protows)
 {
-       if (!__atomic_sub_fetch(&protows->refcount, 1, __ATOMIC_RELAXED)) {
+       if (protows && !__atomic_sub_fetch(&protows->refcount, 1, __ATOMIC_RELAXED)) {
                afb_proto_ws_hangup(protows);
                afb_ws_destroy(protows->ws);
                pthread_mutex_destroy(&protows->mutex);