linux-kernel - Re: [PATCH net v2 1/3] net: lantiq_xrx200: confirm skb is allocated before using

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Message-ID: <20220816204158.32f24172@kernel.org>
Date:   Tue, 16 Aug 2022 20:41:58 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Aleksander Jan Bajkowski <olek2@...pl>
Cc:     hauke@...ke-m.de, davem@...emloft.net, edumazet@...gle.com,
        pabeni@...hat.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net v2 1/3] net: lantiq_xrx200: confirm skb is allocated
 before using

On Mon, 15 Aug 2022 16:57:38 +0200 Aleksander Jan Bajkowski wrote:
> +		netdev_err(net_dev, "failed to build skb\n");

I don't thinkg this is needed, is build_skb() using GFP_NOWARN?
Otherwise there will be an OOM splat anyway. Do check, I'm not sure.

If there won't be an OOM splat this line should be rate limited.