From: Herbert Xu <herbert@gondor.apana.org.au>
Date: Thu, 15 Sep 2005 03:50:35 +0000 (-0700)
Subject: [TCP]: Compute in_sacked properly when we split up a TSO frame.
X-Git-Tag: v2.6.14-rc2~20
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3c05d92ed49f644d1f5a960fa48637d63b946016;p=pandora-kernel.git

[TCP]: Compute in_sacked properly when we split up a TSO frame.

The problem is that the SACK fragmenting code may incorrectly call
tcp_fragment() with a length larger than the skb->len.  This happens
when the skb on the transmit queue completely falls to the LHS of the
SACK.

And add a BUG() check to tcp_fragment() so we can spot this kind of
error more quickly in the future.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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