diff --git a/net/sunrpc/rpcb_clnt.c b/net/sunrpc/rpcb_clnt.c
index 38fe2ce8a5aa..8fad45320e1b 100644
--- a/net/sunrpc/rpcb_clnt.c
+++ b/net/sunrpc/rpcb_clnt.c
@@ -743,6 +743,10 @@ void rpcb_getport_async(struct rpc_task *task)
 
 	child = rpcb_call_async(rpcb_clnt, map, proc);
 	rpc_release_client(rpcb_clnt);
+	if (IS_ERR(child)) {
+		/* rpcb_map_release() has freed the arguments */
+		return;
+	}
 
 	xprt->stat.bind_count++;
 	rpc_put_task(child);