From: Jarek Poplawski <jarkao2@gmail.com>
Date: Wed, 13 Aug 2008 22:16:43 +0000 (-0700)
Subject: pkt_sched: Fix oops in htb_delete.
X-Git-Tag: v2.6.27-rc4~103^2~28
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=26b284de54a5ca3dfbe2fd9a51ac1923e80085a2;p=pandora-kernel.git

pkt_sched: Fix oops in htb_delete.

Recent changes introduced a bug in htb_delete(): cl->parent->children
counter update misses checking cl->parent for NULL, which is used for
root classes, so deleting them causes an oops.

Signed-off-by: Jarek Poplawski <jarkao2@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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