Re: [PATCH v1] net/ethtool/tunnels: check the return value of nla_nest_start()
From: Jakub Kicinski
Date: Tue Sep 20 2022 - 14:37:57 EST
On Fri, 16 Sep 2022 19:26:02 -0700 Li Zhong wrote:
> goto err_cancel_table;
>
> entry = nla_nest_start(skb, ETHTOOL_A_TUNNEL_UDP_TABLE_ENTRY);
> + if (!entry)
> + return -EMSGSIZE;
not even correct, and completely harmless