Unionfs: fix d_revalidate for corner case
authorErez Zadok <ezk@cs.sunysb.edu>
Tue, 12 Aug 2014 01:26:17 +0000 (21:26 -0400)
committerErez Zadok <ezk@cs.sunysb.edu>
Tue, 11 Nov 2014 00:47:54 +0000 (19:47 -0500)
commit4d2ac2e4c2ce9fa844678e38bf9d03b91e52b66b
treee351ea27a7a474d403c6c7968dcfa3be82774b24
parent61319495efd811c091ece5fd43f30e4f76cc6202
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