Unionfs: fix d_revalidate for corner case
authorErez Zadok <ezk@cs.sunysb.edu>
Tue, 12 Aug 2014 02:02:22 +0000 (22:02 -0400)
committerErez Zadok <ezk@cs.sunysb.edu>
Tue, 11 Nov 2014 02:43:06 +0000 (21:43 -0500)
commitefbdec14c3e7b00852f359e0d45203c609affe7e
treefde4f50a9396304187f7387fa3012d8fedab01aa
parente25249ab76b39ea9b9258bdc5eb8400aeea5808f
Unionfs: fix d_revalidate for corner case

In some cases, lower_dentry may goes to NULL.  Return 0 here to mark it
as invalid dentry.

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
Signed-off-by: Mengyang Li <li.mengyang@stonybrook.edu>
fs/unionfs/dentry.c