netxen: suppress false lro warning messages

When interface is down, driver prints false warning messages
during lro configuration through ethtool.

Signed-off-by: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com>
Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/netxen/netxen_nic_hw.c

@@ -809,6 +809,9 @@ int netxen_config_hw_lro(struct netxen_adapter *adapter, int enable)
 	u64 word;
 	int rv = 0;
 
+	if (!test_bit(__NX_FW_ATTACHED, &adapter->state))
+		return 0;
+
 	memset(&req, 0, sizeof(nx_nic_req_t));
 
 	req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23);
@@ -959,6 +962,9 @@ int netxen_send_lro_cleanup(struct netxen_adapter *adapter)
 	u64 word;
 	int rv;
 
+	if (!test_bit(__NX_FW_ATTACHED, &adapter->state))
+		return 0;
+
 	memset(&req, 0, sizeof(nx_nic_req_t));
 	req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23);