From: Lars Ellenberg <lars.ellenberg@linbit.com>
Date: Wed, 14 May 2014 19:35:21 +0000 (+0200)
Subject: drbd: poison free'd device, resource and connection structs
X-Git-Tag: omap-for-v3.17/fixes-against-rc2~74^2~23
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c2258ffc56f2b34573c2917937190c1491620334;p=pandora-kernel.git

drbd: poison free'd device, resource and connection structs

Now that we have additional asynchronous kref_get/kref_put
via debugfs, make sure we catch access after free.

Poison struct drbd_device, drbd_connection and drbd_resource
before kfree() with 0xfd, 0xfc, and 0xf2, respectively.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
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