From: James Chapman <jchapman@katalix.com>
Date: Thu, 6 Mar 2008 02:40:01 +0000 (-0800)
Subject: [PPPOL2TP]: Fix SMP issues in skb reorder queue handling
X-Git-Tag: v2.6.25-rc6~31^2~28
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e653181dd6b3ad38ce14904351b03a5388f4b0f7;p=pandora-kernel.git

[PPPOL2TP]: Fix SMP issues in skb reorder queue handling

When walking a session's packet reorder queue, use
skb_queue_walk_safe() since the list could be modified inside the
loop.

Rearrange the unlinking skbs from the reorder queue such that it is
done while the queue lock is held in pppol2tp_recv_dequeue() when
walking the skb list.

A version of this patch was suggested by Jarek Poplawski.

Signed-off-by: James Chapman <jchapman@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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