From: Amit Shah <amit.shah@redhat.com>
Date: Wed, 7 Aug 2013 06:24:17 +0000 (+0930)
Subject: virtio: console: prevent use-after-free of port name in port unplug
X-Git-Tag: v3.12-rc1~85^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3b868a4073cdedf395f26d843874414e0e0e9cfd;p=pandora-kernel.git

virtio: console: prevent use-after-free of port name in port unplug

Remove the debugfs path before freeing port->name, to prevent a possible
use-after-free.

Reported-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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