From: Sage Weil <sage@newdream.net>
Date: Fri, 17 Dec 2010 17:53:41 +0000 (-0800)
Subject: ceph: fix null pointer dereference in ceph_init_dentry for nfs reexport
X-Git-Tag: v2.6.37-rc7~3^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=92cf765237e2787eb168096305c448caf25ac7f8;p=pandora-kernel.git

ceph: fix null pointer dereference in ceph_init_dentry for nfs reexport

The fh_to_dentry etc. methods use ceph_init_dentry(), which assumes that
d_parent is defined.  It isn't for those callers, so check!

Signed-off-by: Sage Weil <sage@newdream.net>
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