From: Eric W. Biederman <ebiederm@xmission.com>
Date: Tue, 20 Jan 2009 11:02:28 +0000 (+0000)
Subject: tun: Make tun_net_xmit atomic wrt tun_attach && tun_detach
X-Git-Tag: v2.6.30-rc1~662^2~918
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=38231b7a8d1b74c920822640d1ce8eb8046377fb;p=pandora-kernel.git

tun: Make tun_net_xmit atomic wrt tun_attach && tun_detach

Currently this small race allows for a packet to be received when we
detach from an tun device and still be enqueued.  Not especially
important but not what the code is trying to do.

Signed-off-by: Eric W. Biederman <ebiederm@aristanetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Reading git-diff-tree failed