arch: Mass conversion of smp_mb__*()

[deliverable/linux.git] / drivers / net / ethernet / intel / ixgbe / ixgbe_main.c

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index 8436c651b735563e91d8dfa4d6312215ff9e567b..2fecc2626de5abe16296687307f9bee7c203b126 100644 (file)
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -297,7 +297,8 @@ static void ixgbe_remove_adapter(struct ixgbe_hw *hw)
                return;
        hw->hw_addr = NULL;
        e_dev_err("Adapter removed\n");
-       ixgbe_service_event_schedule(adapter);
+       if (test_bit(__IXGBE_SERVICE_INITED, &adapter->state))
+               ixgbe_service_event_schedule(adapter);
 }
 
 void ixgbe_check_remove(struct ixgbe_hw *hw, u32 reg)
@@ -375,7 +376,7 @@ static void ixgbe_service_event_complete(struct ixgbe_adapter *adapter)
        BUG_ON(!test_bit(__IXGBE_SERVICE_SCHED, &adapter->state));
 
        /* flush memory to make sure state is correct before next watchdog */
-       smp_mb__before_clear_bit();
+       smp_mb__before_atomic();
        clear_bit(__IXGBE_SERVICE_SCHED, &adapter->state);
 }
 
@@ -4670,7 +4671,7 @@ static void ixgbe_up_complete(struct ixgbe_adapter *adapter)
        if (hw->mac.ops.enable_tx_laser)
                hw->mac.ops.enable_tx_laser(hw);
 
-       smp_mb__before_clear_bit();
+       smp_mb__before_atomic();
        clear_bit(__IXGBE_DOWN, &adapter->state);
        ixgbe_napi_enable_all(adapter);
 
@@ -5566,7 +5567,7 @@ static int ixgbe_resume(struct pci_dev *pdev)
                e_dev_err("Cannot enable PCI device from suspend\n");
                return err;
        }
-       smp_mb__before_clear_bit();
+       smp_mb__before_atomic();
        clear_bit(__IXGBE_DISABLED, &adapter->state);
        pci_set_master(pdev);
 
@@ -6509,6 +6510,7 @@ static int ixgbe_tso(struct ixgbe_ring *tx_ring,
        struct sk_buff *skb = first->skb;
        u32 vlan_macip_lens, type_tucmd;
        u32 mss_l4len_idx, l4len;
+       int err;
 
        if (skb->ip_summed != CHECKSUM_PARTIAL)
                return 0;
@@ -6516,11 +6518,9 @@ static int ixgbe_tso(struct ixgbe_ring *tx_ring,
        if (!skb_is_gso(skb))
                return 0;
 
-       if (skb_header_cloned(skb)) {
-               int err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
-               if (err)
-                       return err;
-       }
+       err = skb_cow_head(skb, 0);
+       if (err < 0)
+               return err;
 
        /* ADV DTYP TUCMD MKRLOC/ISCSIHEDLEN */
        type_tucmd = IXGBE_ADVTXD_TUCMD_L4T_TCP;
@@ -7077,8 +7077,8 @@ netdev_tx_t ixgbe_xmit_frame_ring(struct sk_buff *skb,
                                        IXGBE_TX_FLAGS_VLAN_PRIO_SHIFT;
                if (tx_flags & IXGBE_TX_FLAGS_SW_VLAN) {
                        struct vlan_ethhdr *vhdr;
-                       if (skb_header_cloned(skb) &&
-                           pskb_expand_head(skb, 0, 0, GFP_ATOMIC))
+
+                       if (skb_cow_head(skb, 0))
                                goto out_drop;
                        vhdr = (struct vlan_ethhdr *)skb->data;
                        vhdr->h_vlan_TCI = htons(tx_flags >>
@@ -8023,6 +8023,10 @@ static int ixgbe_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
        /* EEPROM */
        memcpy(&hw->eeprom.ops, ii->eeprom_ops, sizeof(hw->eeprom.ops));
        eec = IXGBE_READ_REG(hw, IXGBE_EEC);
+       if (ixgbe_removed(hw->hw_addr)) {
+               err = -EIO;
+               goto err_ioremap;
+       }
        /* If EEPROM is valid (bit 8 = 1), use default otherwise use bit bang */
        if (!(eec & (1 << 8)))
                hw->eeprom.ops.read = &ixgbe_read_eeprom_bit_bang_generic;
@@ -8185,7 +8189,12 @@ skip_sriov:
        setup_timer(&adapter->service_timer, &ixgbe_service_timer,
                    (unsigned long) adapter);
 
+       if (ixgbe_removed(hw->hw_addr)) {
+               err = -EIO;
+               goto err_sw_init;
+       }
        INIT_WORK(&adapter->service_task, ixgbe_service_task);
+       set_bit(__IXGBE_SERVICE_INITED, &adapter->state);
        clear_bit(__IXGBE_SERVICE_SCHED, &adapter->state);
 
        err = ixgbe_init_interrupt_scheme(adapter);
@@ -8494,6 +8503,9 @@ static pci_ers_result_t ixgbe_io_error_detected(struct pci_dev *pdev,
 
 skip_bad_vf_detection:
 #endif /* CONFIG_PCI_IOV */
+       if (!test_bit(__IXGBE_SERVICE_INITED, &adapter->state))
+               return PCI_ERS_RESULT_DISCONNECT;
+
        rtnl_lock();
        netif_device_detach(netdev);
 
@@ -8529,7 +8541,7 @@ static pci_ers_result_t ixgbe_io_slot_reset(struct pci_dev *pdev)
                e_err(probe, "Cannot re-enable PCI device after reset.\n");
                result = PCI_ERS_RESULT_DISCONNECT;
        } else {
-               smp_mb__before_clear_bit();
+               smp_mb__before_atomic();
                clear_bit(__IXGBE_DISABLED, &adapter->state);
                adapter->hw.hw_addr = adapter->io_addr;
                pci_set_master(pdev);