qlcnic: Return proper error codes from probe failure paths

Fix error paths in probe to assign proper error codes to probe return value. Signed-off-by: Sony Chacko <sony.chacko@qlogic.com> Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>

Author: Sony Chacko

drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c

@@ -2016,8 +2016,10 @@ qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 pci_enable_pcie_error_reporting(pdev);
 
 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
-if (!ahw)
+if (!ahw) {
+err = -ENOMEM;
 goto err_out_free_res;
+}
 
 switch (ent->device) {
 case PCI_DEVICE_ID_QLOGIC_QLE824X:
@@ -2053,6 +2055,7 @@ qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 
 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
 if (adapter->qlcnic_wq == NULL) {
+err = -ENOMEM;
 dev_err(&pdev->dev, "Failed to create workqueue\n");
 goto err_out_free_netdev;
 }
@@ -2133,6 +2136,10 @@ qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 goto err_out_disable_msi;
 }
 
+err = qlcnic_get_act_pci_func(adapter);
+if (err)
+goto err_out_disable_mbx_intr;
+
 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
 if (err)
 goto err_out_disable_mbx_intr;
@@ -2162,9 +2169,6 @@ qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 break;
 }
 
-if (qlcnic_get_act_pci_func(adapter))
-goto err_out_disable_mbx_intr;
-
 if (adapter->drv_mac_learn)
 qlcnic_alloc_lb_filters_mem(adapter);