NFSv4: nfs4_copy_delegation_stateid() must fail if the delegation is invalid

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We must not allow the use of delegations that have been revoked or are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: 869f9dfa4d ("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>

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Trond Myklebust 2016-09-22 13:38:54 -04:00 • committed by Anna Schumaker

parent b3f9e72390

commit aa05c87f23

1 changed files with 13 additions and 4 deletions

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fs/nfs/delegation.c

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