From: Patrick McHardy <kaber@trash.net>
Date: Sun, 25 Mar 2007 05:13:06 +0000 (-0700)
Subject: [NET_SCHED]: cls_basic: fix NULL pointer dereference
X-Git-Tag: v2.6.21-rc6~114^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d3fa76ee6b4a8dd0efda4e78e96f5b19533b3dea;p=pandora-kernel.git

[NET_SCHED]: cls_basic: fix NULL pointer dereference

cls_basic doesn't allocate tp->root before it is linked into the
active classifier list, resulting in a NULL pointer dereference
when packets hit the classifier before its ->change function is
called.

Reported by Chris Madden <chris@reflexsecurity.com>

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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