Unionfs: fix d_revalidate for corner case
authorErez Zadok <ezk@cs.sunysb.edu>
Tue, 12 Aug 2014 02:19:30 +0000 (22:19 -0400)
committerErez Zadok <ezk@cs.sunysb.edu>
Tue, 12 Aug 2014 02:19:30 +0000 (22:19 -0400)
commitae685f981a6b00347e71cb566dc2477ec1f3e315
tree82816beff25f825da0e21a1d24e2a529ac80d0a8
parent0720b2d3e6ee402c7a1c0bfa528147db4f7ef7dc
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