From: Laszlo Ersek <lersek@redhat.com>
Date: Wed, 25 May 2011 10:24:25 +0000 (+0200)
Subject: xen/blkback: don't call vbd_size() if bd_disk is NULL
X-Git-Tag: v3.0-rc2~8^2^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6464920a6e30604cb71d0ecbaa20e35009bd76fb;p=pandora-kernel.git

xen/blkback: don't call vbd_size() if bd_disk is NULL

...because vbd_size() dereferences bd_disk if bd_part is NULL.

Signed-off-by: Laszlo Ersek<lersek@redhat.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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