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NFSv4.1: Don't process the sequence op more than once.

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Ensure that if we call nfs41_sequence_process() a second time for the
same rpc_task, then we only process the results once.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
This commit is contained in:
Trond Myklebust 2019-03-01 11:40:05 -05:00
parent c1dffe0bf7
commit c71c46f015
1 changed files with 1 additions and 1 deletions
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2
fs/nfs/nfs4proc.c
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@ -754,7 +754,7 @@ static int nfs41_sequence_process(struct rpc_task *task,
if (slot == NULL)
goto out_noaction;
/* don't increment the sequence number if the task wasn't sent */
if (!RPC_WAS_SENT(task))
if (!RPC_WAS_SENT(task) || slot->seq_done)
goto out;
session = slot->table->session;