From: Theodore Ts'o <tytso@mit.edu>
Date: Tue, 27 Jul 2010 15:56:08 +0000 (-0400)
Subject: ext4: check to make make sure bd_dev is set before dereferencing it
X-Git-Tag: v2.6.36-rc1~501^2~10
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f613dfcb3345dacb8cf99b7bb359acc1c18a1157;p=pandora-kernel.git

ext4: check to make make sure bd_dev is set before dereferencing it

There are some drivers which may not set bdev->bd_dev.  So make sure
it is non-NULL before dereferencing it.

Google-Bug-Id: 1773557

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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