From: Sam Bradshaw <sbradshaw@micron.com>
Date: Wed, 15 May 2013 08:04:34 +0000 (+0200)
Subject: mtip32xx: Fix NULL pointer dereference during module unload
X-Git-Tag: v3.10-rc6~20^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=974a51a245c2c8bece21cf2d3cbfc8261260f729;p=pandora-kernel.git

mtip32xx: Fix NULL pointer dereference during module unload

An open file-handle to one or more of the driver exported debugfs
nodes causes raciness in recursive removal during module unload;
sometimes a stale parent dentry is dereferenced when more than 1
pci device is present.

Signed-off-by: Sam Bradshaw <sbradshaw@micron.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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