From: Asai Thambi S P <asamymuthupa@micron.com>
Date: Fri, 11 Jan 2013 13:17:12 +0000 (+0530)
Subject: mtip32xx: fix for crash when the device surprise removed during rebuild
X-Git-Tag: v3.8-rc7~11^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=58c49df378cde4ff64172483d593a1a5689c13a8;p=pandora-kernel.git

mtip32xx: fix for crash when the device surprise removed during rebuild

When rebuild is in progress, disk->queue is yet to be created. Surprise
removing the device will call remove()-> del_gendisk(). del_gendisk()
expect disk->queue be not NULL. Fix is to call put_disk() when disk_queue
is NULL.

Signed-off-by: Asai Thambi S P <asamymuthupa@micron.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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