Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/…

…davem/net-2.6

* 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6:
  [IPVS]: Use IP_VS_WAIT_WHILE when encessary.
  [NET]: Share correct feature code between bridging and bonding
  [ATM] drivers/atm/iphase.c: mostly kmalloc + memset conversion to kzalloc
  [IRDA] irda-usb.c: mostly kmalloc + memset conversion to k[cz]alloc
  [WAN] drivers/net/wan/hdlc_fr.c: kmalloc + memset conversion to kzalloc
  [DCCP]: fix memory leak and clean up style - dccp_feat_empty_confirm()
  [DCCP]: fix theoretical ccids_{read,write}_lock() race
  [XFRM]: Clean up duplicate includes in net/xfrm/
  [TIPC]: Clean up duplicate includes in net/tipc/
  [SUNRPC]: Clean up duplicate includes in net/sunrpc/
  [PKT_SCHED]: Clean up duplicate includes in net/sched/
  [IPV6]: Clean up duplicate includes in net/ipv6/
  [IPV4]: Clean up duplicate includes in net/ipv4/
  [ATM]: Clean up duplicate includes in net/atm/
  [ATM]: Clean up duplicate includes in drivers/atm/
  [IPCONFIG]: ip_auto_config fix
  [ATM]: fore200e_param_bs_queue() must be __devinit

drivers/atm/fore200e.c

@@ -2435,7 +2435,7 @@ fore200e_init_cmd_queue(struct fore200e* fore200e)
 }
 
 
-static void __init
+static void __devinit
 fore200e_param_bs_queue(struct fore200e* fore200e,
 			enum buffer_scheme scheme, enum buffer_magn magn,
 			int queue_length, int pool_size, int supply_blksize)

drivers/atm/iphase.c

@@ -1601,14 +1601,14 @@ static int rx_init(struct atm_dev *dev)
 
 	skb_queue_head_init(&iadev->rx_dma_q);  
 	iadev->rx_free_desc_qhead = NULL;   
-	iadev->rx_open = kmalloc(4*iadev->num_vc,GFP_KERNEL);
-	if (!iadev->rx_open)  
-	{  
+
+	iadev->rx_open = kzalloc(4 * iadev->num_vc, GFP_KERNEL);
+	if (!iadev->rx_open) {
 		printk(KERN_ERR DEV_LABEL "itf %d couldn't get free page\n",
 		dev->number);  
 		goto err_free_dle;
 	}  
-	memset(iadev->rx_open, 0, 4*iadev->num_vc);  
+
         iadev->rxing = 1;
         iadev->rx_pkt_cnt = 0;
 	/* Mode Register */  
@@ -3171,12 +3171,12 @@ static int __devinit ia_init_one(struct pci_dev *pdev,
         unsigned long flags;
 	int ret;
 
-	iadev = kmalloc(sizeof(*iadev), GFP_KERNEL); 
+	iadev = kzalloc(sizeof(*iadev), GFP_KERNEL);
 	if (!iadev) {
 		ret = -ENOMEM;
 		goto err_out;
 	}
-	memset(iadev, 0, sizeof(*iadev));
+
 	iadev->pci = pdev;
 
 	IF_INIT(printk("ia detected at bus:%d dev: %d function:%d\n",

drivers/atm/lanai.c

@@ -65,7 +65,6 @@
 #include <linux/init.h>
 #include <linux/delay.h>
 #include <linux/interrupt.h>
-#include <linux/dma-mapping.h>
 
 /* -------------------- TUNABLE PARAMATERS: */
 

drivers/net/bonding/bond_main.c

@@ -1202,43 +1202,35 @@ static int bond_sethwaddr(struct net_device *bond_dev,
 	return 0;
 }
 
-#define BOND_INTERSECT_FEATURES \
-	(NETIF_F_SG | NETIF_F_ALL_CSUM | NETIF_F_TSO | NETIF_F_UFO)
+#define BOND_VLAN_FEATURES \
+	(NETIF_F_VLAN_CHALLENGED | NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_TX | \
+	 NETIF_F_HW_VLAN_FILTER)
 
 /* 
  * Compute the common dev->feature set available to all slaves.  Some
- * feature bits are managed elsewhere, so preserve feature bits set on
- * master device that are not part of the examined set.
+ * feature bits are managed elsewhere, so preserve those feature bits
+ * on the master device.
  */
 static int bond_compute_features(struct bonding *bond)
 {
-	unsigned long features = BOND_INTERSECT_FEATURES;
 	struct slave *slave;
 	struct net_device *bond_dev = bond->dev;
+	unsigned long features = bond_dev->features;
 	unsigned short max_hard_header_len = ETH_HLEN;
 	int i;
 
+	features &= ~(NETIF_F_ALL_CSUM | BOND_VLAN_FEATURES);
+	features |= NETIF_F_SG | NETIF_F_FRAGLIST | NETIF_F_HIGHDMA |
+		    NETIF_F_GSO_MASK | NETIF_F_NO_CSUM;
+
 	bond_for_each_slave(bond, slave, i) {
-		features &= (slave->dev->features & BOND_INTERSECT_FEATURES);
+		features = netdev_compute_features(features,
+						   slave->dev->features);
 		if (slave->dev->hard_header_len > max_hard_header_len)
 			max_hard_header_len = slave->dev->hard_header_len;
 	}
 
-	if ((features & NETIF_F_SG) && 
-	    !(features & NETIF_F_ALL_CSUM))
-		features &= ~NETIF_F_SG;
-
-	/* 
-	 * features will include NETIF_F_TSO (NETIF_F_UFO) iff all 
-	 * slave devices support NETIF_F_TSO (NETIF_F_UFO), which 
-	 * implies that all slaves also support scatter-gather 
-	 * (NETIF_F_SG), which implies that features also includes 
-	 * NETIF_F_SG. So no need to check whether we have an  
-	 * illegal combination of NETIF_F_{TSO,UFO} and 
-	 * !NETIF_F_SG 
-	 */
-
-	features |= (bond_dev->features & ~BOND_INTERSECT_FEATURES);
+	features |= (bond_dev->features & BOND_VLAN_FEATURES);
 	bond_dev->features = features;
 	bond_dev->hard_header_len = max_hard_header_len;
 

drivers/net/irda/irda-usb.c

@@ -1561,10 +1561,9 @@ static inline struct irda_class_desc *irda_usb_find_class_desc(struct usb_interf
 	struct irda_class_desc *desc;
 	int ret;
 
-	desc = kmalloc(sizeof (*desc), GFP_KERNEL);
-	if (desc == NULL) 
+	desc = kzalloc(sizeof(*desc), GFP_KERNEL);
+	if (!desc)
 		return NULL;
-	memset(desc, 0, sizeof(*desc));
 
 	/* USB-IrDA class spec 1.0:
 	 *	6.1.3: Standard "Get Descriptor" Device Request is not
@@ -1617,7 +1616,7 @@ static int irda_usb_probe(struct usb_interface *intf,
 {
 	struct net_device *net;
 	struct usb_device *dev = interface_to_usbdev(intf);
-	struct irda_usb_cb *self = NULL;
+	struct irda_usb_cb *self;
 	struct usb_host_interface *interface;
 	struct irda_class_desc *irda_desc;
 	int ret = -ENOMEM;
@@ -1655,7 +1654,7 @@ static int irda_usb_probe(struct usb_interface *intf,
 		self->header_length = USB_IRDA_HEADER;
 	}
 
-	self->rx_urb = kzalloc(self->max_rx_urb * sizeof(struct urb *),
+	self->rx_urb = kcalloc(self->max_rx_urb, sizeof(struct urb *),
 				GFP_KERNEL);
 
 	for (i = 0; i < self->max_rx_urb; i++) {
@@ -1715,7 +1714,7 @@ static int irda_usb_probe(struct usb_interface *intf,
 	/* Find IrDA class descriptor */
 	irda_desc = irda_usb_find_class_desc(intf);
 	ret = -ENODEV;
-	if (irda_desc == NULL)
+	if (!irda_desc)
 		goto err_out_3;
 
 	if (self->needspatch) {
@@ -1738,15 +1737,13 @@ static int irda_usb_probe(struct usb_interface *intf,
 	/* Don't change this buffer size and allocation without doing
 	 * some heavy and complete testing. Don't ask why :-(
 	 * Jean II */
-	self->speed_buff = kmalloc(IRDA_USB_SPEED_MTU, GFP_KERNEL);
-	if (self->speed_buff == NULL) 
+	self->speed_buff = kzalloc(IRDA_USB_SPEED_MTU, GFP_KERNEL);
+	if (!self->speed_buff)
 		goto err_out_3;
 
-	memset(self->speed_buff, 0, IRDA_USB_SPEED_MTU);
-
 	self->tx_buff = kzalloc(IRDA_SKB_MAX_MTU + self->header_length,
 				GFP_KERNEL);
-	if (self->tx_buff == NULL)
+	if (!self->tx_buff)
 		goto err_out_4;
 
 	ret = irda_usb_open(self);
@@ -1767,12 +1764,11 @@ static int irda_usb_probe(struct usb_interface *intf,
 
 		/* replace IrDA class descriptor with what patched device is now reporting */
 		irda_desc = irda_usb_find_class_desc (self->usbintf);
-		if (irda_desc == NULL) {
+		if (!irda_desc) {
 			ret = -ENODEV;
 			goto err_out_6;
 		}
-		if (self->irda_desc)
-			kfree (self->irda_desc);
+		kfree(self->irda_desc);
 		self->irda_desc = irda_desc;
 		irda_usb_init_qos(self);
 	}

drivers/net/wan/hdlc_fr.c

@@ -212,14 +212,13 @@ static pvc_device* add_pvc(struct net_device *dev, u16 dlci)
 		pvc_p = &(*pvc_p)->next;
 	}
 
-	pvc = kmalloc(sizeof(pvc_device), GFP_ATOMIC);
+	pvc = kzalloc(sizeof(pvc_device), GFP_ATOMIC);
 #ifdef DEBUG_PVC
 	printk(KERN_DEBUG "add_pvc: allocated pvc %p, frad %p\n", pvc, dev);
 #endif
 	if (!pvc)
 		return NULL;
 
-	memset(pvc, 0, sizeof(pvc_device));
 	pvc->dlci = dlci;
 	pvc->frad = dev;
 	pvc->next = *pvc_p;	/* Put it in the chain */

include/linux/netdevice.h

@@ -1131,6 +1131,8 @@ extern void dev_seq_stop(struct seq_file *seq, void *v);
 
 extern void linkwatch_run_queue(void);
 
+extern int netdev_compute_features(unsigned long all, unsigned long one);
+
 static inline int net_gso_ok(int features, int gso_type)
 {
 	int feature = gso_type << NETIF_F_GSO_SHIFT;

net/atm/lec.c

@@ -21,7 +21,6 @@
 #include <net/dst.h>
 #include <linux/proc_fs.h>
 #include <linux/spinlock.h>
-#include <linux/proc_fs.h>
 #include <linux/seq_file.h>
 
 /* TokenRing if needed */

net/bridge/br_device.c

@@ -179,5 +179,5 @@ void br_dev_setup(struct net_device *dev)
 	dev->priv_flags = IFF_EBRIDGE;
 
 	dev->features = NETIF_F_SG | NETIF_F_FRAGLIST | NETIF_F_HIGHDMA |
-			NETIF_F_TSO | NETIF_F_NO_CSUM | NETIF_F_GSO_ROBUST;
+			NETIF_F_GSO_MASK | NETIF_F_NO_CSUM | NETIF_F_LLTX;
 }

net/bridge/br_if.c

@@ -349,43 +349,15 @@ int br_min_mtu(const struct net_bridge *br)
 void br_features_recompute(struct net_bridge *br)
 {
 	struct net_bridge_port *p;
-	unsigned long features, checksum;
+	unsigned long features;
 
-	checksum = br->feature_mask & NETIF_F_ALL_CSUM ? NETIF_F_NO_CSUM : 0;
-	features = br->feature_mask & ~NETIF_F_ALL_CSUM;
+	features = br->feature_mask;
 
 	list_for_each_entry(p, &br->port_list, list) {
-		unsigned long feature = p->dev->features;
-
-		/* if device needs checksumming, downgrade to hw checksumming */
-		if (checksum & NETIF_F_NO_CSUM && !(feature & NETIF_F_NO_CSUM))
-			checksum ^= NETIF_F_NO_CSUM | NETIF_F_HW_CSUM;
-
-		/* if device can't do all checksum, downgrade to ipv4/ipv6 */
-		if (checksum & NETIF_F_HW_CSUM && !(feature & NETIF_F_HW_CSUM))
-			checksum ^= NETIF_F_HW_CSUM
-				| NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
-
-		if (checksum & NETIF_F_IPV6_CSUM && !(feature & NETIF_F_IPV6_CSUM))
-			checksum &= ~NETIF_F_IPV6_CSUM;
-
-		if (!(feature & NETIF_F_IP_CSUM))
-			checksum = 0;
-
-		if (feature & NETIF_F_GSO)
-			feature |= NETIF_F_GSO_SOFTWARE;
-		feature |= NETIF_F_GSO;
-
-		features &= feature;
+		features = netdev_compute_features(features, p->dev->features);
 	}
 
-	if (!(checksum & NETIF_F_ALL_CSUM))
-		features &= ~NETIF_F_SG;
-	if (!(features & NETIF_F_SG))
-		features &= ~NETIF_F_GSO_MASK;
-
-	br->dev->features = features | checksum | NETIF_F_LLTX |
-			    NETIF_F_GSO_ROBUST;
+	br->dev->features = features;
 }
 
 /* called with RTNL */

net/core/dev.c

@@ -3993,6 +3993,45 @@ static int __init netdev_dma_register(void)
 static int __init netdev_dma_register(void) { return -ENODEV; }
 #endif /* CONFIG_NET_DMA */
 
+/**
+ *	netdev_compute_feature - compute conjunction of two feature sets
+ *	@all: first feature set
+ *	@one: second feature set
+ *
+ *	Computes a new feature set after adding a device with feature set
+ *	@one to the master device with current feature set @all.  Returns
+ *	the new feature set.
+ */
+int netdev_compute_features(unsigned long all, unsigned long one)
+{
+	/* if device needs checksumming, downgrade to hw checksumming */
+	if (all & NETIF_F_NO_CSUM && !(one & NETIF_F_NO_CSUM))
+		all ^= NETIF_F_NO_CSUM | NETIF_F_HW_CSUM;
+
+	/* if device can't do all checksum, downgrade to ipv4/ipv6 */
+	if (all & NETIF_F_HW_CSUM && !(one & NETIF_F_HW_CSUM))
+		all ^= NETIF_F_HW_CSUM
+			| NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
+
+	if (one & NETIF_F_GSO)
+		one |= NETIF_F_GSO_SOFTWARE;
+	one |= NETIF_F_GSO;
+
+	/* If even one device supports robust GSO, enable it for all. */
+	if (one & NETIF_F_GSO_ROBUST)
+		all |= NETIF_F_GSO_ROBUST;
+
+	all &= one | NETIF_F_LLTX;
+
+	if (!(all & NETIF_F_ALL_CSUM))
+		all &= ~NETIF_F_SG;
+	if (!(all & NETIF_F_SG))
+		all &= ~NETIF_F_GSO_MASK;
+
+	return all;
+}
+EXPORT_SYMBOL(netdev_compute_features);
+
 /*
  *	Initialize the DEV module. At boot time this walks the device list and
  *	unhooks any devices that fail to initialise (normally hardware not

net/dccp/ccid.c

@@ -40,6 +40,7 @@ static inline void ccids_write_unlock(void)
 static inline void ccids_read_lock(void)
 {
 	atomic_inc(&ccids_lockct);
+	smp_mb__after_atomic_inc();
 	spin_unlock_wait(&ccids_lock);
 }
 

net/dccp/feat.c

@@ -327,10 +327,16 @@ static void dccp_feat_empty_confirm(struct dccp_minisock *dmsk,
 	}
 
 	switch (type) {
-	case DCCPO_CHANGE_L: opt->dccpop_type = DCCPO_CONFIRM_R; break;
-	case DCCPO_CHANGE_R: opt->dccpop_type = DCCPO_CONFIRM_L; break;
-	default:	     DCCP_WARN("invalid type %d\n", type); return;
-
+	case DCCPO_CHANGE_L:
+		opt->dccpop_type = DCCPO_CONFIRM_R;
+		break;
+	case DCCPO_CHANGE_R:
+		opt->dccpop_type = DCCPO_CONFIRM_L;
+		break;
+	default:
+		DCCP_WARN("invalid type %d\n", type);
+		kfree(opt);
+		return;
 	}
 	opt->dccpop_feat = feature;
 	opt->dccpop_val	 = NULL;

net/ipv4/ip_output.c

@@ -75,7 +75,6 @@
 #include <net/icmp.h>
 #include <net/checksum.h>
 #include <net/inetpeer.h>
-#include <net/checksum.h>
 #include <linux/igmp.h>
 #include <linux/netfilter_ipv4.h>
 #include <linux/netfilter_bridge.h>

net/ipv4/ipconfig.c

@@ -1281,9 +1281,9 @@ static int __init ip_auto_config(void)
 	 */
 	if (ic_myaddr == NONE ||
 #ifdef CONFIG_ROOT_NFS
-	    (MAJOR(ROOT_DEV) == UNNAMED_MAJOR
-	     && root_server_addr == NONE
-	     && ic_servaddr == NONE) ||
+	    (root_server_addr == NONE
+	     && ic_servaddr == NONE
+	     && ROOT_DEV == Root_NFS) ||
 #endif
 	    ic_first_dev->next) {
 #ifdef IPCONFIG_DYNAMIC

net/ipv4/ipvs/ip_vs_ctl.c

@@ -29,7 +29,6 @@
 #include <linux/proc_fs.h>
 #include <linux/workqueue.h>
 #include <linux/swap.h>
-#include <linux/proc_fs.h>
 #include <linux/seq_file.h>
 
 #include <linux/netfilter.h>
@@ -909,7 +908,7 @@ ip_vs_edit_dest(struct ip_vs_service *svc, struct ip_vs_dest_user *udest)
 	write_lock_bh(&__ip_vs_svc_lock);
 
 	/* Wait until all other svc users go away */
-	while (atomic_read(&svc->usecnt) > 1) {};
+	IP_VS_WAIT_WHILE(atomic_read(&svc->usecnt) > 1);
 
 	/* call the update_service, because server weight may be changed */
 	svc->scheduler->update_service(svc);

net/ipv4/netfilter/ipt_CLUSTERIP.c

@@ -19,7 +19,6 @@
 #include <linux/udp.h>
 #include <linux/icmp.h>
 #include <linux/if_arp.h>
-#include <linux/proc_fs.h>
 #include <linux/seq_file.h>
 #include <linux/netfilter_arp.h>
 #include <linux/netfilter/x_tables.h>

net/ipv6/tcp_ipv6.c

@@ -56,7 +56,6 @@
 #include <net/inet_ecn.h>
 #include <net/protocol.h>
 #include <net/xfrm.h>
-#include <net/addrconf.h>
 #include <net/snmp.h>
 #include <net/dsfield.h>
 #include <net/timewait_sock.h>