ksmbd: fix the running request count decrement

decrement the count of running requests after
sending the last response for multi-response
requests.
Signed-off-by: NHyunchul Lee <hyc.lee@gmail.com>
Signed-off-by: NNamjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: NSteve French <stfrench@microsoft.com>

fs/ksmbd/connection.c

@@ -120,7 +120,8 @@ int ksmbd_conn_try_dequeue_request(struct ksmbd_work *work)
 	    list_empty(&work->async_request_entry))
 		return 0;
 
-	atomic_dec(&conn->req_running);
+	if (!work->multiRsp)
+		atomic_dec(&conn->req_running);
 	spin_lock(&conn->request_lock);
 	if (!work->multiRsp) {
 		list_del_init(&work->request_entry);