Unionfs: fix d_revalidate for corner case
authorErez Zadok <ezk@cs.sunysb.edu>
Tue, 12 Aug 2014 02:37:13 +0000 (22:37 -0400)
committerErez Zadok <ezk@cs.sunysb.edu>
Tue, 12 Aug 2014 02:37:13 +0000 (22:37 -0400)
commita00b5ef379a44496b0e532641faef0ac223943f2
treeed63ad56f3ce8f14651e7a9fd56132e1bb78e1fd
parent7defdbc66398d843725d999c3e57421331a99d00
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