nlm: Ensure callback code also checks that the files match
authorTrond Myklebust <trond.myklebust@primarydata.com>
Sat, 11 Feb 2017 15:37:38 +0000 (10:37 -0500)
committerAnna Schumaker <Anna.Schumaker@Netapp.com>
Mon, 13 Feb 2017 22:02:50 +0000 (17:02 -0500)
commit251af29c320d86071664f02c76f0d063a19fefdf
tree2edd2188eee623f08ef088053e2545fc56d4da56
parentb977b644ccf821ab1269582f7efe1d0d85faa1f6
nlm: Ensure callback code also checks that the files match

It is not sufficient to just check that the lock pids match when
granting a callback, we also need to ensure that we're granting
the callback on the right file.

Reported-by: Pankaj Singh <psingh.ait@gmail.com>
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Cc: stable@vger.kernel.org
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
include/linux/lockd/lockd.h