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NFSv4.1: Don't update sequence number if rpc_task is not sent

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If we fail to contact the gss upcall program, then no message will
be sent to the server.  The client still updated the sequence number,
however, and this lead to NFS4ERR_SEQ_MISMATCH for the next several
RPC calls.

Signed-off-by: Bryan Schumaker <bjschuma@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Bryan Schumaker
2011-04-18 15:57:32 -04:00
committed by Trond Myklebust
parent 47c2199b6e
commit 468f86134e
3 changed files with 5 additions and 2 deletions
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4
fs/nfs/nfs4proc.c
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@@ -444,8 +444,8 @@ static int nfs41_sequence_done(struct rpc_task *task, struct nfs4_sequence_res *
if (res->sr_status == 1)
res->sr_status = NFS_OK;
/* -ERESTARTSYS can result in skipping nfs41_sequence_setup */
if (!res->sr_slot)
/* don't increment the sequence number if the task wasn't sent */
if (!RPC_WAS_SENT(task))
goto out;
/* Check the SEQUENCE operation status */