tree 089f6d5a0f979ca858295cbf616ee2e85a62680f
parent ab226e21ad34f6ef52e00d2ab399d2364b4cdfee
author Sage Weil <sage@newdream.net> 1292608421 -0800
committer Sage Weil <sage@newdream.net> 1292608428 -0800

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>