From: david decotigny <decot@googlers.com>
Date: Tue, 8 Jul 2014 22:14:41 +0000 (-0700)
Subject: netpoll: fix use after free
X-Git-Tag: omap-for-v3.17/fixes-against-rc2~149^2~199
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=efa95b01da18ad22af62f6d99a3243f3be8fd264;p=pandora-kernel.git

netpoll: fix use after free

After a bonding master reclaims the netpoll info struct, slaves could
still hold a pointer to the reclaimed data. This patch fixes it: as
soon as netpoll_async_cleanup is called for a slave (eg. when
un-enslaved), we make sure that this slave doesn't point to the data.

Signed-off-by: David Decotigny <decot@googlers.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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