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NFSv4: Ensure the LOCK call cannot use the delegation stateid

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Defensive patch to ensure that we copy the state->open_stateid, which
can never be set to the delegation stateid.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust 2013-04-20 01:30:53 -04:00
parent 92b40e9384
commit 8e472f33b5
1 changed files with 1 additions and 1 deletions
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2
fs/nfs/nfs4proc.c
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@ -4793,7 +4793,7 @@ static void nfs4_lock_prepare(struct rpc_task *task, void *calldata)
if (nfs_wait_on_sequence(data->arg.open_seqid, task) != 0) {
goto out_release_lock_seqid;
}
data->arg.open_stateid = &state->stateid;
data->arg.open_stateid = &state->open_stateid;
data->arg.new_lock_owner = 1;
data->res.open_seqid = data->arg.open_seqid;
} else