diff --git a/drivers/net/sis190.c b/drivers/net/sis190.c
index 7eab072ae79212daad67932a34c0fc4bcb425672..b570402f7feda2a06fc975a5aaf82e19b1f45432 100644
--- a/drivers/net/sis190.c
+++ b/drivers/net/sis190.c
@@ -372,7 +372,7 @@ static void __mdio_cmd(void __iomem *ioaddr, u32 ctl)
 		msleep(1);
 	}
 
-	if (i > 999)
+	if (i > 99)
 		printk(KERN_ERR PFX "PHY command failed !\n");
 }
 
@@ -847,10 +847,8 @@ static void sis190_soft_reset(void __iomem *ioaddr)
 {
 	SIS_W32(IntrControl, 0x8000);
 	SIS_PCI_COMMIT();
-	msleep(1);
 	SIS_W32(IntrControl, 0x0);
 	sis190_asic_down(ioaddr);
-	msleep(1);
 }
 
 static void sis190_hw_start(struct net_device *dev)
@@ -1041,8 +1039,6 @@ static int sis190_open(struct net_device *dev)
 	if (rc < 0)
 		goto err_free_rx_1;
 
-	INIT_WORK(&tp->phy_task, sis190_phy_task);
-
 	sis190_request_timer(dev);
 
 	rc = request_irq(dev->irq, sis190_interrupt, IRQF_SHARED, dev->name, dev);
@@ -1549,28 +1545,31 @@ static int __devinit sis190_get_mac_addr_from_eeprom(struct pci_dev *pdev,
 }
 
 /**
- *	sis190_get_mac_addr_from_apc - Get MAC address for SiS965 model
+ *	sis190_get_mac_addr_from_apc - Get MAC address for SiS96x model
  *	@pdev: PCI device
  *	@dev:  network device to get address for
  *
- *	SiS965 model, use APC CMOS RAM to store MAC address.
+ *	SiS96x model, use APC CMOS RAM to store MAC address.
  *	APC CMOS RAM is accessed through ISA bridge.
  *	MAC address is read into @net_dev->dev_addr.
  */
 static int __devinit sis190_get_mac_addr_from_apc(struct pci_dev *pdev,
 						  struct net_device *dev)
 {
+	static const u16 __devinitdata ids[] = { 0x0965, 0x0966, 0x0968 };
 	struct sis190_private *tp = netdev_priv(dev);
 	struct pci_dev *isa_bridge;
 	u8 reg, tmp8;
-	int i;
+	unsigned int i;
 
 	net_probe(tp, KERN_INFO "%s: Read MAC address from APC.\n",
 		  pci_name(pdev));
 
-	isa_bridge = pci_get_device(PCI_VENDOR_ID_SI, 0x0965, NULL);
-	if (!isa_bridge)
-		isa_bridge = pci_get_device(PCI_VENDOR_ID_SI, 0x0966, NULL);
+	for (i = 0; i < ARRAY_SIZE(ids); i++) {
+		isa_bridge = pci_get_device(PCI_VENDOR_ID_SI, ids[i], NULL);
+		if (isa_bridge)
+			break;
+	}
 
 	if (!isa_bridge) {
 		net_probe(tp, KERN_INFO "%s: Can not find ISA bridge.\n",
diff --git a/drivers/net/tulip/dmfe.c b/drivers/net/tulip/dmfe.c
index b4891caeae5ad36aeeb0ed913ecdc85fe012ade3..656200472fa17aa3e5e8e5d592c4fc2fa1ff2077 100644
--- a/drivers/net/tulip/dmfe.c
+++ b/drivers/net/tulip/dmfe.c
@@ -1909,7 +1909,7 @@ static void dmfe_parse_srom(struct dmfe_board_info * db)
 	if ( ( (int) srom[18] & 0xff) == SROM_V41_CODE) {
 		/* SROM V4.01 */
 		/* Get NIC support media mode */
-		db->NIC_capability = le16_to_cpup((__le16 *)srom + 34/2);
+		db->NIC_capability = le16_to_cpup((__le16 *) (srom + 34));
 		db->PHY_reg4 = 0;
 		for (tmp_reg = 1; tmp_reg < 0x10; tmp_reg <<= 1) {
 			switch( db->NIC_capability & tmp_reg ) {
@@ -1921,8 +1921,8 @@ static void dmfe_parse_srom(struct dmfe_board_info * db)
 		}
 
 		/* Media Mode Force or not check */
-		dmfe_mode = le32_to_cpup((__le32 *)srom + 34/4) &
-				le32_to_cpup((__le32 *)srom + 36/4);
+		dmfe_mode = (le32_to_cpup((__le32 *) (srom + 34)) &
+			     le32_to_cpup((__le32 *) (srom + 36)));
 		switch(dmfe_mode) {
 		case 0x4: dmfe_media_mode = DMFE_100MHF; break;	/* 100MHF */
 		case 0x2: dmfe_media_mode = DMFE_10MFD; break;	/* 10MFD */
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index 1a6b0e0edf6f026d8f3c98bc1e1cd454936ef4c0..0b3ec7e4d93b30e4a78d7f5f674aafb4ba69a462 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -6342,6 +6342,11 @@ static int __iwl_up(struct iwl_priv *priv)
 		return 0;
 	}
 
+	if (!priv->ucode_data_backup.v_addr || !priv->ucode_data.v_addr) {
+		IWL_ERROR("ucode not available for device bringup\n");
+		return -EIO;
+	}
+
 	iwl_write32(priv, CSR_INT, 0xFFFFFFFF);
 
 	rc = iwl_hw_nic_init(priv);
diff --git a/drivers/net/wireless/iwlwifi/iwl4965-base.c b/drivers/net/wireless/iwlwifi/iwl4965-base.c
index 6cd57c220631919fd33ced7cdc01a94b84502c0b..15a45f4717104300f201866ab535a52ad35c7133 100644
--- a/drivers/net/wireless/iwlwifi/iwl4965-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl4965-base.c
@@ -6698,6 +6698,11 @@ static int __iwl_up(struct iwl_priv *priv)
 		return 0;
 	}
 
+	if (!priv->ucode_data_backup.v_addr || !priv->ucode_data.v_addr) {
+		IWL_ERROR("ucode not available for device bringup\n");
+		return -EIO;
+	}
+
 	iwl_write32(priv, CSR_INT, 0xFFFFFFFF);
 
 	rc = iwl_hw_nic_init(priv);
diff --git a/net/bluetooth/hci_sysfs.c b/net/bluetooth/hci_sysfs.c
index cad510309dcf88bafa2c3c056fa0ae4828e962a4..17f7fb7205535ce35f0fc9a7b96cdbf9d261c820 100644
--- a/net/bluetooth/hci_sysfs.c
+++ b/net/bluetooth/hci_sysfs.c
@@ -316,9 +316,26 @@ void hci_conn_add_sysfs(struct hci_conn *conn)
 	schedule_work(&conn->work);
 }
 
+static int __match_tty(struct device *dev, void *data)
+{
+	/* The rfcomm tty device will possibly retain even when conn
+	 * is down, and sysfs doesn't support move zombie device,
+	 * so we should move the device before conn device is destroyed.
+	 * Due to the only child device of hci_conn dev is rfcomm
+	 * tty_dev, here just return 1
+	 */
+	return 1;
+}
+
 static void del_conn(struct work_struct *work)
 {
+	struct device *dev;
 	struct hci_conn *conn = container_of(work, struct hci_conn, work);
+
+	while (dev = device_find_child(&conn->dev, NULL, __match_tty)) {
+		device_move(dev, NULL);
+		put_device(dev);
+	}
 	device_del(&conn->dev);
 	put_device(&conn->dev);
 }
diff --git a/net/bluetooth/rfcomm/tty.c b/net/bluetooth/rfcomm/tty.c
index a6a758dd1f7d88dc322fb565494b2db42d181b69..788c70321858f39576867de05e4ec2c885d9445e 100644
--- a/net/bluetooth/rfcomm/tty.c
+++ b/net/bluetooth/rfcomm/tty.c
@@ -696,7 +696,8 @@ static void rfcomm_tty_close(struct tty_struct *tty, struct file *filp)
 	BT_DBG("tty %p dev %p dlc %p opened %d", tty, dev, dev->dlc, dev->opened);
 
 	if (--dev->opened == 0) {
-		device_move(dev->tty_dev, NULL);
+		if (dev->tty_dev->parent)
+			device_move(dev->tty_dev, NULL);
 
 		/* Close DLC and dettach TTY */
 		rfcomm_dlc_close(dev->dlc, 0);
diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
index 383252b50411b89c5c18835bcbe4c9837ed16ad0..ec936ae92458fb6325b33495b09216bb5fc09831 100644
--- a/net/core/net_namespace.c
+++ b/net/core/net_namespace.c
@@ -18,7 +18,7 @@ static DEFINE_MUTEX(net_mutex);
 LIST_HEAD(net_namespace_list);
 
 struct net init_net;
-EXPORT_SYMBOL_GPL(init_net);
+EXPORT_SYMBOL(init_net);
 
 /*
  * setup_net runs the initializers for the network namespace object.
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index fd99fbd685ea9512cc03aa57db5347d34dd1e2cb..bc9e57550e86d9b4f5b9ee965466f3d4f52f2585 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -1016,8 +1016,6 @@ int ip_append_data(struct sock *sk,
 
 				skb_fill_page_desc(skb, i, page, 0, 0);
 				frag = &skb_shinfo(skb)->frags[i];
-				skb->truesize += PAGE_SIZE;
-				atomic_add(PAGE_SIZE, &sk->sk_wmem_alloc);
 			} else {
 				err = -EMSGSIZE;
 				goto error;
@@ -1030,6 +1028,8 @@ int ip_append_data(struct sock *sk,
 			frag->size += copy;
 			skb->len += copy;
 			skb->data_len += copy;
+			skb->truesize += copy;
+			atomic_add(copy, &sk->sk_wmem_alloc);
 		}
 		offset += copy;
 		length -= copy;
@@ -1172,6 +1172,8 @@ ssize_t	ip_append_page(struct sock *sk, struct page *page,
 
 		skb->len += len;
 		skb->data_len += len;
+		skb->truesize += len;
+		atomic_add(len, &sk->sk_wmem_alloc);
 		offset += len;
 		size -= len;
 	}
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 6338a9c1aa14e2a0f832db6d40d69df678dc09be..3bef30e4a23d870e6c8d55c253412ce1356f01ca 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -1316,8 +1316,6 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to,
 
 				skb_fill_page_desc(skb, i, page, 0, 0);
 				frag = &skb_shinfo(skb)->frags[i];
-				skb->truesize += PAGE_SIZE;
-				atomic_add(PAGE_SIZE, &sk->sk_wmem_alloc);
 			} else {
 				err = -EMSGSIZE;
 				goto error;
@@ -1330,6 +1328,8 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to,
 			frag->size += copy;
 			skb->len += copy;
 			skb->data_len += copy;
+			skb->truesize += copy;
+			atomic_add(copy, &sk->sk_wmem_alloc);
 		}
 		offset += copy;
 		length -= copy;