From: Michael S. Tsirkin <mst@redhat.com>
Date: Thu, 6 Jun 2013 12:20:46 +0000 (+0300)
Subject: vhost: fix ubuf_info cleanup
X-Git-Tag: v3.10-rc6~18^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=288cfe78c8173f35c7a94f06859f60b3693d828a;p=pandora-kernel.git

vhost: fix ubuf_info cleanup

vhost_net_clear_ubuf_info didn't clear ubuf_info
after kfree, this could trigger double free.
Fix this and simplify this code to make it more robust: make sure
ubuf info is always freed through vhost_net_clear_ubuf_info.

Reported-by: Tommi Rantala <tt.rantala@gmail.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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