NFS: Fix a reference and lock leak in nfs_lock_and_join_requests()

Yes, this is a situation that should never happen (hence the WARN_ON)
but we should still ensure that we free up the locks and references to
the faulty pages.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
Trond Myklebust 2017-07-17 10:11:11 -04:00
commit 7cb9cd9aa2