Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

Conflicts:
	drivers/net/can/usb/ems_usb.c

19 files changed, 215 insertions, 106 deletions

diff --git a/drivers/net/benet/be.h b/drivers/net/benet/be.h
index ce7563175cef..67e165cf3f4e 100644
--- a/drivers/net/benet/be.h
+++ b/drivers/net/benet/be.h
@@ -269,6 +269,8 @@ struct be_adapter {
 	u32 port_num;
 	bool promiscuous;
 	u32 cap;
+	u32 rx_fc;		/* Rx flow control */
+	u32 tx_fc;		/* Tx flow control */
 };
 
 extern const struct ethtool_ops be_ethtool_ops;
diff --git a/drivers/net/benet/be_ethtool.c b/drivers/net/benet/be_ethtool.c
index edebce994906..e8f92831021a 100644
--- a/drivers/net/benet/be_ethtool.c
+++ b/drivers/net/benet/be_ethtool.c
@@ -362,10 +362,12 @@ be_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
 
 	if (ecmd->autoneg != 0)
 		return -EINVAL;
+	adapter->tx_fc = ecmd->tx_pause;
+	adapter->rx_fc = ecmd->rx_pause;
 
-	status = be_cmd_set_flow_control(adapter, ecmd->tx_pause,
-			ecmd->rx_pause);
-	if (!status)
+	status = be_cmd_set_flow_control(adapter,
+					adapter->tx_fc, adapter->rx_fc);
+	if (status)
 		dev_warn(&adapter->pdev->dev, "Pause param set failed.\n");
 
 	return status;
diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c
index 43180dc210a2..c0bd20356eaf 100644
--- a/drivers/net/benet/be_main.c
+++ b/drivers/net/benet/be_main.c
@@ -1611,11 +1611,21 @@ static int be_open(struct net_device *netdev)
 	status = be_cmd_link_status_query(adapter, &link_up, &mac_speed,
 			&link_speed);
 	if (status)
-		return status;
+		goto ret_sts;
 	be_link_status_update(adapter, link_up);
 
+	status = be_vid_config(adapter);
+	if (status)
+		goto ret_sts;
+
+	status = be_cmd_set_flow_control(adapter,
+					adapter->tx_fc, adapter->rx_fc);
+	if (status)
+		goto ret_sts;
+
 	schedule_delayed_work(&adapter->work, msecs_to_jiffies(100));
-	return 0;
+ret_sts:
+	return status;
 }
 
 static int be_setup(struct be_adapter *adapter)
@@ -1649,17 +1659,8 @@ static int be_setup(struct be_adapter *adapter)
 	if (status != 0)
 		goto rx_qs_destroy;
 
-	status = be_vid_config(adapter);
-	if (status != 0)
-		goto mccqs_destroy;
-
-	status = be_cmd_set_flow_control(adapter, true, true);
-	if (status != 0)
-		goto mccqs_destroy;
 	return 0;
 
-mccqs_destroy:
-	be_mcc_queues_destroy(adapter);
 rx_qs_destroy:
 	be_rx_queues_destroy(adapter);
 tx_qs_destroy:
@@ -1910,6 +1911,10 @@ static void be_netdev_init(struct net_device *netdev)
 
 	adapter->rx_csum = true;
 
+	/* Default settings for Rx and Tx flow control */
+	adapter->rx_fc = true;
+	adapter->tx_fc = true;
+
 	netif_set_gso_max_size(netdev, 65535);
 
 	BE_SET_NETDEV_OPS(netdev, &be_netdev_ops);
@@ -2172,6 +2177,7 @@ static int be_suspend(struct pci_dev *pdev, pm_message_t state)
 		be_close(netdev);
 		rtnl_unlock();
 	}
+	be_cmd_get_flow_control(adapter, &adapter->tx_fc, &adapter->rx_fc);
 	be_clear(adapter);
 
 	pci_save_state(pdev);
diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c
index 5fe34d64ca2a..26c89aaeba62 100644
--- a/drivers/net/can/dev.c
+++ b/drivers/net/can/dev.c
@@ -637,6 +637,22 @@ static int can_changelink(struct net_device *dev,
 	return 0;
 }
 
+static size_t can_get_size(const struct net_device *dev)
+{
+	struct can_priv *priv = netdev_priv(dev);
+	size_t size;
+
+	size = nla_total_size(sizeof(u32));   /* IFLA_CAN_STATE */
+	size += sizeof(struct can_ctrlmode);  /* IFLA_CAN_CTRLMODE */
+	size += nla_total_size(sizeof(u32));  /* IFLA_CAN_RESTART_MS */
+	size += sizeof(struct can_bittiming); /* IFLA_CAN_BITTIMING */
+	size += sizeof(struct can_clock);     /* IFLA_CAN_CLOCK */
+	if (priv->bittiming_const)	      /* IFLA_CAN_BITTIMING_CONST */
+		size += sizeof(struct can_bittiming_const);
+
+	return size;
+}
+
 static int can_fill_info(struct sk_buff *skb, const struct net_device *dev)
 {
 	struct can_priv *priv = netdev_priv(dev);
@@ -687,6 +703,7 @@ static struct rtnl_link_ops can_link_ops __read_mostly = {
 	.setup		= can_setup,
 	.newlink	= can_newlink,
 	.changelink	= can_changelink,
+	.get_size	= can_get_size,
 	.fill_info	= can_fill_info,
 	.fill_xstats	= can_fill_xstats,
 };
diff --git a/drivers/net/can/usb/ems_usb.c b/drivers/net/can/usb/ems_usb.c
index 3685f3e42d12..3e4419054c81 100644
--- a/drivers/net/can/usb/ems_usb.c
+++ b/drivers/net/can/usb/ems_usb.c
@@ -315,7 +315,7 @@ static void ems_usb_rx_can_msg(struct ems_usb *dev, struct ems_cpc_msg *msg)
 	if (skb == NULL)
 		return;
 
-	cf->can_id = msg->msg.can_msg.id;
+	cf->can_id = le32_to_cpu(msg->msg.can_msg.id);
 	cf->can_dlc = min_t(u8, msg->msg.can_msg.length, 8);
 
 	if (msg->type == CPC_MSG_TYPE_EXT_CAN_FRAME
@@ -801,6 +801,9 @@ static netdev_tx_t ems_usb_start_xmit(struct sk_buff *skb, struct net_device *ne
 		msg->length = CPC_CAN_MSG_MIN_SIZE + cf->can_dlc;
 	}
 
+	/* Respect byte order */
+	msg->msg.can_msg.id = cpu_to_le32(msg->msg.can_msg.id);
+
 	for (i = 0; i < MAX_TX_URBS; i++) {
 		if (dev->tx_contexts[i].echo_index == MAX_TX_URBS) {
 			context = &dev->tx_contexts[i];
diff --git a/drivers/net/cassini.c b/drivers/net/cassini.c
index 05916aafa4f1..f857afe8e488 100644
--- a/drivers/net/cassini.c
+++ b/drivers/net/cassini.c
@@ -4342,11 +4342,11 @@ static int cas_open(struct net_device *dev)
 		cas_unlock_all_restore(cp, flags);
 	}
 
+	err = -ENOMEM;
 	if (cas_tx_tiny_alloc(cp) < 0)
-		return -ENOMEM;
+		goto err_unlock;
 
 	/* alloc rx descriptors */
-	err = -ENOMEM;
 	if (cas_alloc_rxds(cp) < 0)
 		goto err_tx_tiny;
 
@@ -4386,6 +4386,7 @@ err_spare:
 	cas_free_rxds(cp);
 err_tx_tiny:
 	cas_tx_tiny_free(cp);
+err_unlock:
 	mutex_unlock(&cp->pm_mutex);
 	return err;
 }
diff --git a/drivers/net/fsl_pq_mdio.c b/drivers/net/fsl_pq_mdio.c
index b2ca596760f8..25fabb3eedc5 100644
--- a/drivers/net/fsl_pq_mdio.c
+++ b/drivers/net/fsl_pq_mdio.c
@@ -462,3 +462,4 @@ void fsl_pq_mdio_exit(void)
 	of_unregister_platform_driver(&fsl_pq_mdio_driver);
 }
 module_exit(fsl_pq_mdio_exit);
+MODULE_LICENSE("GPL");
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index 45c5faf0824a..448e84d56601 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -44,6 +44,7 @@
 
 #include "ixgbe.h"
 #include "ixgbe_common.h"
+#include "ixgbe_dcb_82599.h"
 
 char ixgbe_driver_name[] = "ixgbe";
 static const char ixgbe_driver_string[] =
@@ -228,6 +229,56 @@ static void ixgbe_unmap_and_free_tx_resource(struct ixgbe_adapter *adapter,
 	/* tx_buffer_info must be completely set up in the transmit path */
 }
 
+/**
+ * ixgbe_tx_is_paused - check if the tx ring is paused
+ * @adapter: the ixgbe adapter
+ * @tx_ring: the corresponding tx_ring
+ *
+ * If not in DCB mode, checks TFCS.TXOFF, otherwise, find out the
+ * corresponding TC of this tx_ring when checking TFCS.
+ *
+ * Returns : true if paused
+ */
+static inline bool ixgbe_tx_is_paused(struct ixgbe_adapter *adapter,
+                                      struct ixgbe_ring *tx_ring)
+{
+	int tc;
+	u32 txoff = IXGBE_TFCS_TXOFF;
+
+#ifdef CONFIG_IXGBE_DCB
+	if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
+		int reg_idx = tx_ring->reg_idx;
+		int dcb_i = adapter->ring_feature[RING_F_DCB].indices;
+
+		if (adapter->hw.mac.type == ixgbe_mac_82598EB) {
+			tc = reg_idx >> 2;
+			txoff = IXGBE_TFCS_TXOFF0;
+		} else if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
+			tc = 0;
+			txoff = IXGBE_TFCS_TXOFF;
+			if (dcb_i == 8) {
+				/* TC0, TC1 */
+				tc = reg_idx >> 5;
+				if (tc == 2) /* TC2, TC3 */
+					tc += (reg_idx - 64) >> 4;
+				else if (tc == 3) /* TC4, TC5, TC6, TC7 */
+					tc += 1 + ((reg_idx - 96) >> 3);
+			} else if (dcb_i == 4) {
+				/* TC0, TC1 */
+				tc = reg_idx >> 6;
+				if (tc == 1) {
+					tc += (reg_idx - 64) >> 5;
+					if (tc == 2) /* TC2, TC3 */
+						tc += (reg_idx - 96) >> 4;
+				}
+			}
+		}
+		txoff <<= tc;
+	}
+#endif
+	return IXGBE_READ_REG(&adapter->hw, IXGBE_TFCS) & txoff;
+}
+
 static inline bool ixgbe_check_tx_hang(struct ixgbe_adapter *adapter,
                                        struct ixgbe_ring *tx_ring,
                                        unsigned int eop)
@@ -239,7 +290,7 @@ static inline bool ixgbe_check_tx_hang(struct ixgbe_adapter *adapter,
 	adapter->detect_tx_hung = false;
 	if (tx_ring->tx_buffer_info[eop].time_stamp &&
 	    time_after(jiffies, tx_ring->tx_buffer_info[eop].time_stamp + HZ) &&
-	    !(IXGBE_READ_REG(&adapter->hw, IXGBE_TFCS) & IXGBE_TFCS_TXOFF)) {
+	    !ixgbe_tx_is_paused(adapter, tx_ring)) {
 		/* detected Tx unit hang */
 		union ixgbe_adv_tx_desc *tx_desc;
 		tx_desc = IXGBE_TX_DESC_ADV(*tx_ring, eop);
@@ -414,19 +465,23 @@ static void ixgbe_update_tx_dca(struct ixgbe_adapter *adapter,
 	u32 txctrl;
 	int cpu = get_cpu();
 	int q = tx_ring - adapter->tx_ring;
+	struct ixgbe_hw *hw = &adapter->hw;
 
 	if (tx_ring->cpu != cpu) {
-		txctrl = IXGBE_READ_REG(&adapter->hw, IXGBE_DCA_TXCTRL(q));
 		if (adapter->hw.mac.type == ixgbe_mac_82598EB) {
+			txctrl = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(q));
 			txctrl &= ~IXGBE_DCA_TXCTRL_CPUID_MASK;
 			txctrl |= dca3_get_tag(&adapter->pdev->dev, cpu);
+			txctrl |= IXGBE_DCA_TXCTRL_DESC_DCA_EN;
+			IXGBE_WRITE_REG(hw, IXGBE_DCA_TXCTRL(q), txctrl);
 		} else if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
+			txctrl = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL_82599(q));
 			txctrl &= ~IXGBE_DCA_TXCTRL_CPUID_MASK_82599;
 			txctrl |= (dca3_get_tag(&adapter->pdev->dev, cpu) <<
-			           IXGBE_DCA_TXCTRL_CPUID_SHIFT_82599);
+			          IXGBE_DCA_TXCTRL_CPUID_SHIFT_82599);
+			txctrl |= IXGBE_DCA_TXCTRL_DESC_DCA_EN;
+			IXGBE_WRITE_REG(hw, IXGBE_DCA_TXCTRL_82599(q), txctrl);
 		}
-		txctrl |= IXGBE_DCA_TXCTRL_DESC_DCA_EN;
-		IXGBE_WRITE_REG(&adapter->hw, IXGBE_DCA_TXCTRL(q), txctrl);
 		tx_ring->cpu = cpu;
 	}
 	put_cpu();
@@ -1908,11 +1963,25 @@ static void ixgbe_configure_tx(struct ixgbe_adapter *adapter)
 			break;
 		}
 	}
+
 	if (hw->mac.type == ixgbe_mac_82599EB) {
+		u32 rttdcs;
+
+		/* disable the arbiter while setting MTQC */
+		rttdcs = IXGBE_READ_REG(hw, IXGBE_RTTDCS);
+		rttdcs |= IXGBE_RTTDCS_ARBDIS;
+		IXGBE_WRITE_REG(hw, IXGBE_RTTDCS, rttdcs);
+
 		/* We enable 8 traffic classes, DCB only */
 		if (adapter->flags & IXGBE_FLAG_DCB_ENABLED)
 			IXGBE_WRITE_REG(hw, IXGBE_MTQC, (IXGBE_MTQC_RT_ENA |
 			                IXGBE_MTQC_8TC_8TQ));
+		else
+			IXGBE_WRITE_REG(hw, IXGBE_MTQC, IXGBE_MTQC_64Q_1PB);
+
+		/* re-eable the arbiter */
+		rttdcs &= ~IXGBE_RTTDCS_ARBDIS;
+		IXGBE_WRITE_REG(hw, IXGBE_RTTDCS, rttdcs);
 	}
 }
 
@@ -2466,7 +2535,10 @@ static void ixgbe_configure(struct ixgbe_adapter *adapter)
 	ixgbe_restore_vlan(adapter);
 #ifdef CONFIG_IXGBE_DCB
 	if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
-		netif_set_gso_max_size(netdev, 32768);
+		if (hw->mac.type == ixgbe_mac_82598EB)
+			netif_set_gso_max_size(netdev, 32768);
+		else
+			netif_set_gso_max_size(netdev, 65536);
 		ixgbe_configure_dcb(adapter);
 	} else {
 		netif_set_gso_max_size(netdev, 65536);
diff --git a/drivers/net/macsonic.c b/drivers/net/macsonic.c
index 61eabcac734c..b3d7d8d77f46 100644
--- a/drivers/net/macsonic.c
+++ b/drivers/net/macsonic.c
@@ -223,69 +223,73 @@ static int __devinit macsonic_init(struct net_device *dev)
 	return 0;
 }
 
-static int __devinit mac_onboard_sonic_ethernet_addr(struct net_device *dev)
+#define INVALID_MAC(mac) (memcmp(mac, "\x08\x00\x07", 3) && \
+                          memcmp(mac, "\x00\xA0\x40", 3) && \
+                          memcmp(mac, "\x00\x80\x19", 3) && \
+                          memcmp(mac, "\x00\x05\x02", 3))
+
+static void __devinit mac_onboard_sonic_ethernet_addr(struct net_device *dev)
 {
 	struct sonic_local *lp = netdev_priv(dev);
 	const int prom_addr = ONBOARD_SONIC_PROM_BASE;
-	int i;
+	unsigned short val;
 
-	/* On NuBus boards we can sometimes look in the ROM resources.
-	   No such luck for comm-slot/onboard. */
-	for(i = 0; i < 6; i++)
-		dev->dev_addr[i] = SONIC_READ_PROM(i);
+	/*
+	 * On NuBus boards we can sometimes look in the ROM resources.
+	 * No such luck for comm-slot/onboard.
+	 * On the PowerBook 520, the PROM base address is a mystery.
+	 */
+	if (hwreg_present((void *)prom_addr)) {
+		int i;
+
+		for (i = 0; i < 6; i++)
+			dev->dev_addr[i] = SONIC_READ_PROM(i);
+		if (!INVALID_MAC(dev->dev_addr))
+			return;
 
-	/* Most of the time, the address is bit-reversed.  The NetBSD
-	   source has a rather long and detailed historical account of
-	   why this is so. */
-	if (memcmp(dev->dev_addr, "\x08\x00\x07", 3) &&
-	    memcmp(dev->dev_addr, "\x00\xA0\x40", 3) &&
-	    memcmp(dev->dev_addr, "\x00\x80\x19", 3) &&
-	    memcmp(dev->dev_addr, "\x00\x05\x02", 3))
+		/*
+		 * Most of the time, the address is bit-reversed. The NetBSD
+		 * source has a rather long and detailed historical account of
+		 * why this is so.
+		 */
 		bit_reverse_addr(dev->dev_addr);
-	else
-		return 0;
-
-	/* If we still have what seems to be a bogus address, we'll
-           look in the CAM.  The top entry should be ours. */
-	/* Danger! This only works if MacOS has already initialized
-           the card... */
-	if (memcmp(dev->dev_addr, "\x08\x00\x07", 3) &&
-	    memcmp(dev->dev_addr, "\x00\xA0\x40", 3) &&
-	    memcmp(dev->dev_addr, "\x00\x80\x19", 3) &&
-	    memcmp(dev->dev_addr, "\x00\x05\x02", 3))
-	{
-		unsigned short val;
-
-		printk(KERN_INFO "macsonic: PROM seems to be wrong, trying CAM entry 15\n");
-
-		SONIC_WRITE(SONIC_CMD, SONIC_CR_RST);
-		SONIC_WRITE(SONIC_CEP, 15);
-
-		val = SONIC_READ(SONIC_CAP2);
-		dev->dev_addr[5] = val >> 8;
-		dev->dev_addr[4] = val & 0xff;
-		val = SONIC_READ(SONIC_CAP1);
-		dev->dev_addr[3] = val >> 8;
-		dev->dev_addr[2] = val & 0xff;
-		val = SONIC_READ(SONIC_CAP0);
-		dev->dev_addr[1] = val >> 8;
-		dev->dev_addr[0] = val & 0xff;
-
-		printk(KERN_INFO "HW Address from CAM 15: %pM\n",
-		       dev->dev_addr);
-	} else return 0;
-
-	if (memcmp(dev->dev_addr, "\x08\x00\x07", 3) &&
-	    memcmp(dev->dev_addr, "\x00\xA0\x40", 3) &&
-	    memcmp(dev->dev_addr, "\x00\x80\x19", 3) &&
-	    memcmp(dev->dev_addr, "\x00\x05\x02", 3))
-	{
+		if (!INVALID_MAC(dev->dev_addr))
+			return;
+
 		/*
-		 * Still nonsense ... messed up someplace!
+		 * If we still have what seems to be a bogus address, we'll
+		 * look in the CAM. The top entry should be ours.
 		 */
-		printk(KERN_ERR "macsonic: ERROR (INVALID MAC)\n");
-		return -EIO;
-	} else return 0;
+		printk(KERN_WARNING "macsonic: MAC address in PROM seems "
+		                    "to be invalid, trying CAM\n");
+	} else {
+		printk(KERN_WARNING "macsonic: cannot read MAC address from "
+		                    "PROM, trying CAM\n");
+	}
+
+	/* This only works if MacOS has already initialized the card. */
+
+	SONIC_WRITE(SONIC_CMD, SONIC_CR_RST);
+	SONIC_WRITE(SONIC_CEP, 15);
+
+	val = SONIC_READ(SONIC_CAP2);
+	dev->dev_addr[5] = val >> 8;
+	dev->dev_addr[4] = val & 0xff;
+	val = SONIC_READ(SONIC_CAP1);
+	dev->dev_addr[3] = val >> 8;
+	dev->dev_addr[2] = val & 0xff;
+	val = SONIC_READ(SONIC_CAP0);
+	dev->dev_addr[1] = val >> 8;
+	dev->dev_addr[0] = val & 0xff;
+
+	if (!INVALID_MAC(dev->dev_addr))
+		return;
+
+	/* Still nonsense ... messed up someplace! */
+
+	printk(KERN_WARNING "macsonic: MAC address in CAM entry 15 "
+	                    "seems invalid, will use a random MAC\n");
+	random_ether_addr(dev->dev_addr);
 }
 
 static int __devinit mac_onboard_sonic_probe(struct net_device *dev)
@@ -402,8 +406,7 @@ static int __devinit mac_onboard_sonic_probe(struct net_device *dev)
 	SONIC_WRITE(SONIC_ISR, 0x7fff);
 
 	/* Now look for the MAC address. */
-	if (mac_onboard_sonic_ethernet_addr(dev) != 0)
-		return -ENODEV;
+	mac_onboard_sonic_ethernet_addr(dev);
 
 	/* Shared init code */
 	return macsonic_init(dev);
diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c
index 0de596ad8a7e..bd8e164b121c 100644
--- a/drivers/net/qlge/qlge_main.c
+++ b/drivers/net/qlge/qlge_main.c
@@ -4145,6 +4145,8 @@ static int __devinit ql_init_device(struct pci_dev *pdev,
 		goto err_out;
 	}
 
+	/* Set PCIe reset type for EEH to fundamental. */
+	pdev->needs_freset = 1;
 	pci_save_state(pdev);
 	qdev->reg_base =
 	    ioremap_nocache(pci_resource_start(pdev, 1),
diff --git a/drivers/net/qlge/qlge_mpi.c b/drivers/net/qlge/qlge_mpi.c
index f5619fe87bb2..e2b2286102d4 100644
--- a/drivers/net/qlge/qlge_mpi.c
+++ b/drivers/net/qlge/qlge_mpi.c
@@ -483,7 +483,7 @@ static int ql_mailbox_command(struct ql_adapter *qdev, struct mbox_params *mbcp)
 		/* Wait for the interrupt to come in. */
 		status = ql_wait_mbx_cmd_cmplt(qdev);
 		if (status)
-			goto end;
+			continue;
 
 		/* Process the event.  If it's an AEN, it
 		 * will be handled in-line or a worker
diff --git a/drivers/net/wireless/ipw2x00/ipw2100.c b/drivers/net/wireless/ipw2x00/ipw2100.c
index a741d37fd96f..240cff1e6979 100644
--- a/drivers/net/wireless/ipw2x00/ipw2100.c
+++ b/drivers/net/wireless/ipw2x00/ipw2100.c
@@ -6325,10 +6325,8 @@ static int ipw2100_pci_init_one(struct pci_dev *pci_dev,
 
       fail:
 	if (dev) {
-		if (registered) {
-			unregister_ieee80211(priv->ieee);
+		if (registered)
 			unregister_netdev(dev);
-		}
 
 		ipw2100_hw_stop_adapter(priv);
 
@@ -6385,7 +6383,6 @@ static void __devexit ipw2100_pci_remove_one(struct pci_dev *pci_dev)
 		/* Unregister the device first - this results in close()
 		 * being called if the device is open.  If we free storage
 		 * first, then close() will crash. */
-		unregister_ieee80211(priv->ieee);
 		unregister_netdev(dev);
 
 		/* ipw2100_down will ensure that there is no more pending work
diff --git a/drivers/net/wireless/ipw2x00/ipw2200.c b/drivers/net/wireless/ipw2x00/ipw2200.c
index 4539e63e978e..61ef8904af97 100644
--- a/drivers/net/wireless/ipw2x00/ipw2200.c
+++ b/drivers/net/wireless/ipw2x00/ipw2200.c
@@ -11822,7 +11822,6 @@ static int __devinit ipw_pci_probe(struct pci_dev *pdev,
 		if (err) {
 			IPW_ERROR("Failed to register promiscuous network "
 				  "device (error %d).\n", err);
-			unregister_ieee80211(priv->ieee);
 			unregister_netdev(priv->net_dev);
 			goto out_remove_sysfs;
 		}
@@ -11873,7 +11872,6 @@ static void __devexit ipw_pci_remove(struct pci_dev *pdev)
 
 	mutex_unlock(&priv->mutex);
 
-	unregister_ieee80211(priv->ieee);
 	unregister_netdev(priv->net_dev);
 
 	if (priv->rxq) {
diff --git a/drivers/net/wireless/ipw2x00/libipw.h b/drivers/net/wireless/ipw2x00/libipw.h
index f42ade6c2d3e..bf45391172f3 100644
--- a/drivers/net/wireless/ipw2x00/libipw.h
+++ b/drivers/net/wireless/ipw2x00/libipw.h
@@ -1020,7 +1020,6 @@ static inline int libipw_is_cck_rate(u8 rate)
 /* ieee80211.c */
 extern void free_ieee80211(struct net_device *dev, int monitor);
 extern struct net_device *alloc_ieee80211(int sizeof_priv, int monitor);
-extern void unregister_ieee80211(struct libipw_device *ieee);
 extern int libipw_change_mtu(struct net_device *dev, int new_mtu);
 
 extern void libipw_networks_age(struct libipw_device *ieee,
diff --git a/drivers/net/wireless/ipw2x00/libipw_module.c b/drivers/net/wireless/ipw2x00/libipw_module.c
index be5b809ec97a..a0e9f6aed7da 100644
--- a/drivers/net/wireless/ipw2x00/libipw_module.c
+++ b/drivers/net/wireless/ipw2x00/libipw_module.c
@@ -235,19 +235,16 @@ void free_ieee80211(struct net_device *dev, int monitor)
 	libipw_networks_free(ieee);
 
 	/* free cfg80211 resources */
-	if (!monitor)
+	if (!monitor) {
+		wiphy_unregister(ieee->wdev.wiphy);
+		kfree(ieee->a_band.channels);
+		kfree(ieee->bg_band.channels);
 		wiphy_free(ieee->wdev.wiphy);
+	}
 
 	free_netdev(dev);
 }
 
-void unregister_ieee80211(struct libipw_device *ieee)
-{
-	wiphy_unregister(ieee->wdev.wiphy);
-	kfree(ieee->a_band.channels);
-	kfree(ieee->bg_band.channels);
-}
-
 #ifdef CONFIG_LIBIPW_DEBUG
 
 static int debug = 0;
@@ -333,4 +330,3 @@ module_init(libipw_init);
 
 EXPORT_SYMBOL(alloc_ieee80211);
 EXPORT_SYMBOL(free_ieee80211);
-EXPORT_SYMBOL(unregister_ieee80211);
diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c
index 71761b343839..73bbec58341e 100644
--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -815,6 +815,8 @@ int rt2x00lib_probe_dev(struct rt2x00_dev *rt2x00dev)
 
 	mutex_init(&rt2x00dev->csr_mutex);
 
+	set_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags);
+
 	/*
 	 * Make room for rt2x00_intf inside the per-interface
 	 * structure ieee80211_vif.
@@ -871,8 +873,6 @@ int rt2x00lib_probe_dev(struct rt2x00_dev *rt2x00dev)
 	rt2x00leds_register(rt2x00dev);
 	rt2x00debug_register(rt2x00dev);
 
-	set_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags);
-
 	return 0;
 
 exit:
diff --git a/drivers/net/wireless/rt2x00/rt2x00link.c b/drivers/net/wireless/rt2x00/rt2x00link.c
index c64db0ba7f40..c708d0be9155 100644
--- a/drivers/net/wireless/rt2x00/rt2x00link.c
+++ b/drivers/net/wireless/rt2x00/rt2x00link.c
@@ -362,8 +362,9 @@ void rt2x00link_start_tuner(struct rt2x00_dev *rt2x00dev)
 
 	rt2x00link_reset_tuner(rt2x00dev, false);
 
-	ieee80211_queue_delayed_work(rt2x00dev->hw,
-				     &link->work, LINK_TUNE_INTERVAL);
+	if (test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags))
+		ieee80211_queue_delayed_work(rt2x00dev->hw,
+					     &link->work, LINK_TUNE_INTERVAL);
 }
 
 void rt2x00link_stop_tuner(struct rt2x00_dev *rt2x00dev)
@@ -469,8 +470,10 @@ static void rt2x00link_tuner(struct work_struct *work)
 	 * Increase tuner counter, and reschedule the next link tuner run.
 	 */
 	link->count++;
-	ieee80211_queue_delayed_work(rt2x00dev->hw,
-				     &link->work, LINK_TUNE_INTERVAL);
+
+	if (test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags))
+		ieee80211_queue_delayed_work(rt2x00dev->hw,
+					     &link->work, LINK_TUNE_INTERVAL);
 }
 
 void rt2x00link_register(struct rt2x00_dev *rt2x00dev)
diff --git a/drivers/net/wireless/rt2x00/rt2x00usb.c b/drivers/net/wireless/rt2x00/rt2x00usb.c
index 501544882c2c..f02b48a90593 100644
--- a/drivers/net/wireless/rt2x00/rt2x00usb.c
+++ b/drivers/net/wireless/rt2x00/rt2x00usb.c
@@ -47,6 +47,8 @@ int rt2x00usb_vendor_request(struct rt2x00_dev *rt2x00dev,
 	    (requesttype == USB_VENDOR_REQUEST_IN) ?
 	    usb_rcvctrlpipe(usb_dev, 0) : usb_sndctrlpipe(usb_dev, 0);
 
+	if (!test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags))
+		return -ENODEV;
 
 	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
 		status = usb_control_msg(usb_dev, pipe, request, requesttype,
@@ -60,8 +62,10 @@ int rt2x00usb_vendor_request(struct rt2x00_dev *rt2x00dev,
 		 * -ENODEV: Device has disappeared, no point continuing.
 		 * All other errors: Try again.
 		 */
-		else if (status == -ENODEV)
+		else if (status == -ENODEV) {
+			clear_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags);
 			break;
+		}
 	}
 
 	ERROR(rt2x00dev,
@@ -161,6 +165,9 @@ int rt2x00usb_regbusy_read(struct rt2x00_dev *rt2x00dev,
 {
 	unsigned int i;
 
+	if (!test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags))
+		return -ENODEV;
+
 	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
 		rt2x00usb_register_read_lock(rt2x00dev, offset, reg);
 		if (!rt2x00_get_field32(*reg, field))
diff --git a/drivers/net/wireless/rtl818x/rtl8187_leds.c b/drivers/net/wireless/rtl818x/rtl8187_leds.c
index a1c670fc1552..cf8a4a40fdf6 100644
--- a/drivers/net/wireless/rtl818x/rtl8187_leds.c
+++ b/drivers/net/wireless/rtl818x/rtl8187_leds.c
@@ -210,10 +210,10 @@ void rtl8187_leds_exit(struct ieee80211_hw *dev)
 
 	/* turn the LED off before exiting */
 	ieee80211_queue_delayed_work(dev, &priv->led_off, 0);
-	cancel_delayed_work_sync(&priv->led_off);
-	cancel_delayed_work_sync(&priv->led_on);
 	rtl8187_unregister_led(&priv->led_rx);
 	rtl8187_unregister_led(&priv->led_tx);
+	cancel_delayed_work_sync(&priv->led_off);
+	cancel_delayed_work_sync(&priv->led_on);
 }
 #endif /* def CONFIG_RTL8187_LED */