From: Zach Brown <zach.brown@oracle.com>
Date: Mon, 10 Apr 2006 23:05:34 +0000 (-0700)
Subject: [IPv6] reassembly: Always compute hash under the fragment lock.
X-Git-Tag: v2.6.17-rc2~82^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f6596f9d2b4f0255f6cd68c76b85fe4cec6352af;p=pandora-kernel.git

[IPv6] reassembly: Always compute hash under the fragment lock.

This closes a race where an ipq6hashfn() caller could get a hash value
and race with the cycling of the random seed.  By the time they got to
the read_lock they'd have a stale hash value and might not find
previous fragments of their datagram.

This matches the previous patch to IPv4.

Signed-off-by: Zach Brown <zach.brown@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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