more fixes for 3.0

Assorted crap caught by ->d_parent audit (and there's more, unfortunately ;-/) The stuff Hugh found is not in that pile, BTW. Please, pull from usual place:

git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6.git/ for-linus

Shortlog:
Al Viro (7):
cifs: build_path_from_dentry() race fix
ceph analog of cifs build_path_from_dentry() race fix fix exofs ->get_parent()
ufs should use d_splice_alias()
cramfs: get_cramfs_inode() returns ERR_PTR() on failure
hppfs: fix dentry leak
hppfs_lookup(): don't open-code lookup_one_len()

Diffstat:

 fs/ceph/mds_client.c |   19 ++++++++++++++++---
 fs/cifs/dir.c        |   13 ++++++++++++-
 fs/cramfs/inode.c    |   22 ++++++++++++----------
 fs/exofs/super.c     |    2 +-
 fs/hppfs/hppfs.c     |   31 +++++++++----------------------
 fs/ufs/namei.c       |   12 ++++--------
 6 files changed, 54 insertions(+), 45 deletions(-)