nfs: Initialize cb_sequenceres information before validate_seqid()

For a cb_layoutrecall replay, nfsd got CB_SEQUENCE status of zero, but all informations of cb_sequenceres are zero too !!!

validate_seqid() return NFS4ERR_RETRY_UNCACHED_REP for a replay, and skip the initlize cb_sequenceres.

Signed-off-by Kinglong Mee <[email protected]>

---
 fs/nfs/callback_proc.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

fs/nfs/callback_proc.c +7 -7

index 7e9653a..17a5c57 100644
@@ -445,6 +445,13 @@ __be32 nfs4_callback_sequence(struct cb_sequenceargs *args,
 		goto out;
 	}
 
+	memcpy(&res->csr_sessionid, &args->csa_sessionid,
+	       sizeof(res->csr_sessionid));
+	res->csr_sequenceid = args->csa_sequenceid;
+	res->csr_slotid = args->csa_slotid;
+	res->csr_highestslotid = NFS41_BC_MAX_CALLBACKS - 1;
+	res->csr_target_highestslotid = NFS41_BC_MAX_CALLBACKS - 1;
+
 	status = validate_seqid(tbl, args);
 	spin_unlock(&tbl->slot_tbl_lock);
 	if (status)

@@ -462,13 +469,6 @@ __be32 nfs4_callback_sequence(struct cb_sequenceargs *args,
 		goto out;
 	}
 
-	memcpy(&res->csr_sessionid, &args->csa_sessionid,
-	       sizeof(res->csr_sessionid));
-	res->csr_sequenceid = args->csa_sequenceid;
-	res->csr_slotid = args->csa_slotid;
-	res->csr_highestslotid = NFS41_BC_MAX_CALLBACKS - 1;
-	res->csr_target_highestslotid = NFS41_BC_MAX_CALLBACKS - 1;
-
 	/*
 	 * RFC5661 20.9.3
 	 * If CB_SEQUENCE returns an error, then the state of the slot