lib-http: http-client-request - Make http_client_request_unref(NULL) a no-op

diff --git a/src/lib-http/http-client-request.c b/src/lib-http/http-client-request.c
index 3e310bdb4cf971a53b047927c723365633692b73..d640978c50654c9c5311be0efc2bfb8cbfab2510 100644 (file)
--- a/src/lib-http/http-client-request.c
+++ b/src/lib-http/http-client-request.c
@@ -312,15 +312,17 @@ void http_client_request_ref(struct http_client_request *req)
 bool http_client_request_unref(struct http_client_request **_req)
 {
        struct http_client_request *req = *_req;
-       struct http_client *client = req->client;
-
-       i_assert(req->refcount > 0);
 
+       if (req == NULL)
+               return FALSE;
        *_req = NULL;
 
+       i_assert(req->refcount > 0);
        if (--req->refcount > 0)
                return TRUE;
 
+       struct http_client *client = req->client;
+
        if (client == NULL) {
                e_debug(req->event, "Free (client already destroyed)");
        } else {