qlcnic: Fix register device in FAILED state for 82xx.

o Commit 7e2cf4feba058476324dc545e3d1b316998c91e6
  ("qlcnic: change driver hardware interface mechanism")
  has overwritten
  commit b43e5ee76a4320c070cf0fe65cf4927198fbb4d1
  ("qlcnic: Register device in FAILED state")

Signed-off-by: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c
index c6165d0..019f437 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c
@@ -1272,6 +1272,7 @@
 void qlcnic_create_diag_entries(struct qlcnic_adapter *adapter)
 {
 	struct device *dev = &adapter->pdev->dev;
+	u32 state;
 
 	if (device_create_bin_file(dev, &bin_attr_port_stats))
 		dev_info(dev, "failed to create port stats sysfs entry");
@@ -1285,8 +1286,13 @@
 	if (device_create_bin_file(dev, &bin_attr_mem))
 		dev_info(dev, "failed to create mem sysfs entry\n");
 
+	state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
+	if (state == QLCNIC_DEV_FAILED || state == QLCNIC_DEV_BADBAD)
+		return;
+
 	if (device_create_bin_file(dev, &bin_attr_pci_config))
 		dev_info(dev, "failed to create pci config sysfs entry");
+
 	if (device_create_file(dev, &dev_attr_beacon))
 		dev_info(dev, "failed to create beacon sysfs entry");
 
@@ -1307,6 +1313,7 @@
 void qlcnic_remove_diag_entries(struct qlcnic_adapter *adapter)
 {
 	struct device *dev = &adapter->pdev->dev;
+	u32 state;
 
 	device_remove_bin_file(dev, &bin_attr_port_stats);
 
@@ -1315,6 +1322,11 @@
 	device_remove_file(dev, &dev_attr_diag_mode);
 	device_remove_bin_file(dev, &bin_attr_crb);
 	device_remove_bin_file(dev, &bin_attr_mem);
+
+	state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
+	if (state == QLCNIC_DEV_FAILED || state == QLCNIC_DEV_BADBAD)
+		return;
+
 	device_remove_bin_file(dev, &bin_attr_pci_config);
 	device_remove_file(dev, &dev_attr_beacon);
 	if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))