From: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Date: Fri, 10 Jul 2009 14:02:17 +0000 (+0300)
Subject: mtd: blkdevs: do not forget to get MTD devices
X-Git-Tag: v2.6.31-rc6~45^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8022c13c27b822cf22f13df10b42aae89cd56bf0;p=pandora-kernel.git

mtd: blkdevs: do not forget to get MTD devices

Nowadays MTD devices have to be "get" before they can be
used. This has to be done with 'get_mtd_device()'. The
'blktrans_open()' function did not do this and instead
used 'try_module_get()'. Fix this.

Since 'get_mtd_device()' already gets the module, extra
'try_module_get()' is not needed.

This fixes oops when one tries to use mtdblock on top of
gluebi.

Reported-by: Holger Brunck <holger.brunck@keymile.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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