Unionfs: fix d_revalidate for corner case
authorErez Zadok <ezk@cs.sunysb.edu>
Tue, 12 Aug 2014 02:15:06 +0000 (22:15 -0400)
committerErez Zadok <ezk@cs.sunysb.edu>
Tue, 12 Aug 2014 02:15:06 +0000 (22:15 -0400)
commit38909ee9dfda2a52732ad3d762554ec7069f4d1b
tree64d6820097e6015499248858bdedc79c6b31ebff
parentee240e3284e6d669c597f4be8d196e3b756a5581
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