linux-kernel - Re: [PATCH v2] net: fix rc7's __skb_datagram

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Message-ID: <51b9cb9c-cf7d-47b3-ab08-c9efbdb1b883@grimberg.me>
Date: Mon, 8 Jul 2024 17:47:21 +0300
From: Sagi Grimberg <sagi@...mberg.me>
To: Hugh Dickins <hughd@...gle.com>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>,
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
 Eric Dumazet <edumazet@...gle.com>, netdev@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] net: fix rc7's __skb_datagram_iter()



On 08/07/2024 17:46, Hugh Dickins wrote:
> X would not start in my old 32-bit partition (and the "n"-handling looks
> just as wrong on 64-bit, but for whatever reason did not show up there):
> "n" must be accumulated over all pages before it's added to "offset" and
> compared with "copy", immediately after the skb_frag_foreach_page() loop.
>
> Fixes: d2d30a376d9c ("net: allow skb_datagram_iter to be called from any context")
> Signed-off-by: Hugh Dickins <hughd@...gle.com>

Thanks Hugh,

Reviewed-by: Sagi Grimberg <sagi@...mberg.me>