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NFSv4: nfs4_copy_delegation_stateid() must fail if the delegation is invalid
authorTrond Myklebust <trond.myklebust@primarydata.com>
Thu, 22 Sep 2016 17:38:54 +0000 (13:38 -0400)
committerAnna Schumaker <Anna.Schumaker@Netapp.com>
Tue, 27 Sep 2016 18:32:31 +0000 (14:32 -0400)
commitaa05c87f23efe417adc7ff9b4193b7201ec0dd79
tree27e8f8c28d1c68d51fbeb282ee970eb85496fb14tree | snapshot (tar.gz zip)
parentb3f9e7239074613aa6bdafa4caf7c104fe1e7276commit | diff
NFSv4: nfs4_copy_delegation_stateid() must fail if the delegation is invalid

We must not allow the use of delegations that have been revoked or are
being returned.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Fixes: 869f9dfa4d6d ("NFSv4: Fix races between nfs_remove_bad_delegation()...")
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Cc: stable@vger.kernel.org # v3.19+
Tested-by: Oleg Drokin <green@linuxhacker.ru>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
fs/nfs/delegation.c diff | blob | blame | history