netdev - Re: [PATCH net v6 1/2] net/ps3_gelic_net: Fix RX sk

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Date:   Mon, 27 Feb 2023 18:20:40 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Geoff Levand <geoff@...radead.org>
Cc:     netdev@...r.kernel.org, "David S. Miller" <davem@...emloft.net>,
        Alexander Lobakin <alexandr.lobakin@...el.com>,
        Alexander Duyck <alexander.duyck@...il.com>,
        Paolo Abeni <pabeni@...hat.com>
Subject: Re: [PATCH net v6 1/2] net/ps3_gelic_net: Fix RX sk_buff length

On Sun, 26 Feb 2023 02:25:42 +0000 Geoff Levand wrote:
> +	napi_buff = napi_alloc_frag_align(GELIC_NET_MAX_MTU,
> +		GELIC_NET_RXBUF_ALIGN);

You're changing how the buffers are allocated.

> +	if (unlikely(!napi_buff)) {
> +		descr->skb = NULL;
> +		descr->buf_addr = 0;
> +		descr->buf_size = 0;

Wiping the descriptors on failure.

> +		return -ENOMEM;
> +	}

And generally reshuffling the code.

Once again - please don't do any of that in a bug fix.
Describe precisely what the problem is and fix that problem,
Once the fix is accepted you can send separate patches with 
other improvements.