4.9-stable review patch. If anyone has any objections, please let me know.
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From: Olga Kornievskaia kolga@netapp.com
commit 0cb98abb5bd13b9a636bde603d952d722688b428 upstream.
Allow the async rpc task for finish and update the open state if needed, then free the slot. Otherwise, the async rpc unable to decode the reply.
Signed-off-by: Olga Kornievskaia kolga@netapp.com Fixes: ae55e59da0e4 ("pnfs: Don't release the sequence slot...") Cc: stable@vger.kernel.org # v4.18+ Signed-off-by: Trond Myklebust trond.myklebust@hammerspace.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- fs/nfs/nfs4proc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
--- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -2748,7 +2748,8 @@ static int _nfs4_open_and_get_state(stru nfs4_schedule_stateid_recovery(server, state); } out: - nfs4_sequence_free_slot(&opendata->o_res.seq_res); + if (!opendata->cancelled) + nfs4_sequence_free_slot(&opendata->o_res.seq_res); return ret; }