netdev - Re: [PATCH] tcp: take care of misalignments

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Message-Id: <20111205.184554.1914078417882837206.davem@davemloft.net>
Date:	Mon, 05 Dec 2011 18:45:54 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	subramanian.vijay@...il.com, therbert@...gle.com,
	netdev@...r.kernel.org
Subject: Re: [PATCH] tcp: take care of misalignments

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Sun, 04 Dec 2011 19:51:08 +0100

> [PATCH net-next] tcp: fix tcp_trim_head()
> 
> commit f07d960df3 (tcp: avoid frag allocation for small frames)
> breaked assumption in tcp stack that skb is either linear (skb->data_len
> == 0), or fully fragged (skb->data_len == skb->len)
> 
> tcp_trim_head() made this assumption, we must fix it.
> 
> Thanks to Vijay for providing a very detailed explanation.
> 
> Reported-by: Vijay Subramanian <subramanian.vijay@...il.com>
> Signed-off-by: Eric Dumazet <eric.dumazet@...il.com>

Applied.
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