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From: Jakub Kicinski <kuba@kernel•org>
To: Geoff Levand <geoff@infradead•org>
Cc: netdev@vger•kernel.org, "David S. Miller" <davem@davemloft•net>,
	Alexander Lobakin <alexandr.lobakin@intel•com>,
	Alexander Duyck <alexander.duyck@gmail•com>,
	Paolo Abeni <pabeni@redhat•com>
Subject: Re: [PATCH net v6 1/2] net/ps3_gelic_net: Fix RX sk_buff length
Date: Mon, 27 Feb 2023 18:20:40 -0800	[thread overview]
Message-ID: <20230227182040.75740bb6@kernel.org> (raw)
In-Reply-To: <1bf36b8e08deb3d16fafde3e88ae7cd761e4e7b3.1677377639.git.geoff@infradead.org>

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.

  reply	other threads:[~2023-02-28  2:20 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-02-26  2:25 [PATCH net v6 0/2] net/ps3_gelic_net: DMA related fixes Geoff Levand
2023-02-26  2:25 ` [PATCH net v6 1/2] net/ps3_gelic_net: Fix RX sk_buff length Geoff Levand
2023-02-28  2:20   ` Jakub Kicinski [this message]
2023-02-28 15:47     ` Alexander Lobakin
2023-02-28 20:31       ` Jakub Kicinski
2023-03-05  2:07         ` Geoff Levand
2023-02-28 16:12   ` Alexander Lobakin
2023-03-26 20:38     ` Geoff Levand
2023-02-26  2:25 ` [PATCH net v6 2/2] net/ps3_gelic_net: Use dma_mapping_error Geoff Levand
2023-02-28 16:14   ` Alexander Lobakin

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