qlcnic: fix ethtool diagnostics test

IRQ diag test was getting executed only when both register test
and link test passed. The test should get executed if ETH_TEST_FL_OFFLINE
flag is set.
Signed-off-by: Sony Chacko <sony.chacko@qlogic.com>
Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/qlcnic/qlcnic_ethtool.c

@@ -672,7 +672,7 @@ qlcnic_diag_test(struct net_device *dev, struct ethtool_test *eth_test,
 	if (data[1])
 		eth_test->flags |= ETH_TEST_FL_FAILED;
 
-	if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
+	if (eth_test->flags & ETH_TEST_FL_OFFLINE) {
 		data[2] = qlcnic_irq_test(dev);
 		if (data[2])
 			eth_test->flags |= ETH_TEST_FL_FAILED;