Merge branch 'master' of /home/trondmy/kernel/linux-2.6/ into merge_linus

67 files changed, 617 insertions, 389 deletions

diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c
index d9f04864d15..8ca448db7a0 100644
--- a/net/bridge/br_fdb.c
+++ b/net/bridge/br_fdb.c
@@ -23,7 +23,7 @@
 #include <asm/atomic.h>
 #include "br_private.h"
 
-static kmem_cache_t *br_fdb_cache __read_mostly;
+static struct kmem_cache *br_fdb_cache __read_mostly;
 static int fdb_insert(struct net_bridge *br, struct net_bridge_port *source,
 		      const unsigned char *addr);
 
diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c
index ac47ba2ba02..bd221ad52ea 100644
--- a/net/bridge/br_netfilter.c
+++ b/net/bridge/br_netfilter.c
@@ -34,6 +34,7 @@
 #include <linux/netfilter_ipv6.h>
 #include <linux/netfilter_arp.h>
 #include <linux/in_route.h>
+#include <linux/inetdevice.h>
 
 #include <net/ip.h>
 #include <net/ipv6.h>
@@ -221,10 +222,14 @@ static void __br_dnat_complain(void)
  *
  * Otherwise, the packet is considered to be routed and we just
  * change the destination MAC address so that the packet will
- * later be passed up to the IP stack to be routed.
+ * later be passed up to the IP stack to be routed. For a redirected
+ * packet, ip_route_input() will give back the localhost as output device,
+ * which differs from the bridge device.
  *
  * Let us now consider the case that ip_route_input() fails:
  *
+ * This can be because the destination address is martian, in which case
+ * the packet will be dropped.
  * After a "echo '0' > /proc/sys/net/ipv4/ip_forward" ip_route_input()
  * will fail, while __ip_route_output_key() will return success. The source
  * address for __ip_route_output_key() is set to zero, so __ip_route_output_key
@@ -237,7 +242,8 @@ static void __br_dnat_complain(void)
  *
  * --Lennert, 20020411
  * --Bart, 20020416 (updated)
- * --Bart, 20021007 (updated) */
+ * --Bart, 20021007 (updated)
+ * --Bart, 20062711 (updated) */
 static int br_nf_pre_routing_finish_bridge(struct sk_buff *skb)
 {
 	if (skb->pkt_type == PACKET_OTHERHOST) {
@@ -264,15 +270,15 @@ static int br_nf_pre_routing_finish(struct sk_buff *skb)
 	struct net_device *dev = skb->dev;
 	struct iphdr *iph = skb->nh.iph;
 	struct nf_bridge_info *nf_bridge = skb->nf_bridge;
+	int err;
 
 	if (nf_bridge->mask & BRNF_PKT_TYPE) {
 		skb->pkt_type = PACKET_OTHERHOST;
 		nf_bridge->mask ^= BRNF_PKT_TYPE;
 	}
 	nf_bridge->mask ^= BRNF_NF_BRIDGE_PREROUTING;
-
 	if (dnat_took_place(skb)) {
-		if (ip_route_input(skb, iph->daddr, iph->saddr, iph->tos, dev)) {
+		if ((err = ip_route_input(skb, iph->daddr, iph->saddr, iph->tos, dev))) {
 			struct rtable *rt;
 			struct flowi fl = {
 				.nl_u = {
@@ -283,19 +289,33 @@ static int br_nf_pre_routing_finish(struct sk_buff *skb)
 				},
 				.proto = 0,
 			};
+			struct in_device *in_dev = in_dev_get(dev);
+
+			/* If err equals -EHOSTUNREACH the error is due to a
+			 * martian destination or due to the fact that
+			 * forwarding is disabled. For most martian packets,
+			 * ip_route_output_key() will fail. It won't fail for 2 types of
+			 * martian destinations: loopback destinations and destination
+			 * 0.0.0.0. In both cases the packet will be dropped because the
+			 * destination is the loopback device and not the bridge. */
+			if (err != -EHOSTUNREACH || !in_dev || IN_DEV_FORWARD(in_dev))
+				goto free_skb;
 
 			if (!ip_route_output_key(&rt, &fl)) {
 				/* - Bridged-and-DNAT'ed traffic doesn't
-				 *   require ip_forwarding.
-				 * - Deal with redirected traffic. */
-				if (((struct dst_entry *)rt)->dev == dev ||
-				    rt->rt_type == RTN_LOCAL) {
+				 *   require ip_forwarding. */
+				if (((struct dst_entry *)rt)->dev == dev) {
 					skb->dst = (struct dst_entry *)rt;
 					goto bridged_dnat;
 				}
+				/* we are sure that forwarding is disabled, so printing
+				 * this message is no problem. Note that the packet could
+				 * still have a martian destination address, in which case
+				 * the packet could be dropped even if forwarding were enabled */
 				__br_dnat_complain();
 				dst_release((struct dst_entry *)rt);
 			}
+free_skb:
 			kfree_skb(skb);
 			return 0;
 		} else {
diff --git a/net/core/dev.c b/net/core/dev.c
index 59d058a3b50..e660cb57e42 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -3340,7 +3340,6 @@ void unregister_netdev(struct net_device *dev)
 
 EXPORT_SYMBOL(unregister_netdev);
 
-#ifdef CONFIG_HOTPLUG_CPU
 static int dev_cpu_callback(struct notifier_block *nfb,
 			    unsigned long action,
 			    void *ocpu)
@@ -3384,7 +3383,6 @@ static int dev_cpu_callback(struct notifier_block *nfb,
 
 	return NOTIFY_OK;
 }
-#endif /* CONFIG_HOTPLUG_CPU */
 
 #ifdef CONFIG_NET_DMA
 /**
diff --git a/net/core/dst.c b/net/core/dst.c
index 1a5e49da0e7..836ec660692 100644
--- a/net/core/dst.c
+++ b/net/core/dst.c
@@ -125,7 +125,7 @@ void * dst_alloc(struct dst_ops * ops)
 		if (ops->gc())
 			return NULL;
 	}
-	dst = kmem_cache_alloc(ops->kmem_cachep, SLAB_ATOMIC);
+	dst = kmem_cache_alloc(ops->kmem_cachep, GFP_ATOMIC);
 	if (!dst)
 		return NULL;
 	memset(dst, 0, ops->entry_size);
diff --git a/net/core/flow.c b/net/core/flow.c
index b16d31ae5e5..d137f971f97 100644
--- a/net/core/flow.c
+++ b/net/core/flow.c
@@ -44,7 +44,7 @@ static DEFINE_PER_CPU(struct flow_cache_entry **, flow_tables) = { NULL };
 
 #define flow_table(cpu) (per_cpu(flow_tables, cpu))
 
-static kmem_cache_t *flow_cachep __read_mostly;
+static struct kmem_cache *flow_cachep __read_mostly;
 
 static int flow_lwm, flow_hwm;
 
@@ -211,7 +211,7 @@ void *flow_cache_lookup(struct flowi *key, u16 family, u8 dir,
 		if (flow_count(cpu) > flow_hwm)
 			flow_cache_shrink(cpu);
 
-		fle = kmem_cache_alloc(flow_cachep, SLAB_ATOMIC);
+		fle = kmem_cache_alloc(flow_cachep, GFP_ATOMIC);
 		if (fle) {
 			fle->next = *head;
 			*head = fle;
@@ -340,7 +340,6 @@ static void __devinit flow_cache_cpu_prepare(int cpu)
 	tasklet_init(tasklet, flow_cache_flush_tasklet, 0);
 }
 
-#ifdef CONFIG_HOTPLUG_CPU
 static int flow_cache_cpu(struct notifier_block *nfb,
 			  unsigned long action,
 			  void *hcpu)
@@ -349,7 +348,6 @@ static int flow_cache_cpu(struct notifier_block *nfb,
 		__flow_cache_shrink((unsigned long)hcpu, 0);
 	return NOTIFY_OK;
 }
-#endif /* CONFIG_HOTPLUG_CPU */
 
 static int __init flow_cache_init(void)
 {
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index ba509a4a8e9..0ab1987b934 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -251,7 +251,7 @@ static struct neighbour *neigh_alloc(struct neigh_table *tbl)
 			goto out_entries;
 	}
 
-	n = kmem_cache_alloc(tbl->kmem_cachep, SLAB_ATOMIC);
+	n = kmem_cache_alloc(tbl->kmem_cachep, GFP_ATOMIC);
 	if (!n)
 		goto out_entries;
 
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 8e1c385e5ba..de7801d589e 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -68,8 +68,8 @@
 
 #include "kmap_skb.h"
 
-static kmem_cache_t *skbuff_head_cache __read_mostly;
-static kmem_cache_t *skbuff_fclone_cache __read_mostly;
+static struct kmem_cache *skbuff_head_cache __read_mostly;
+static struct kmem_cache *skbuff_fclone_cache __read_mostly;
 
 /*
  *	Keep out-of-line to prevent kernel bloat.
@@ -132,6 +132,7 @@ EXPORT_SYMBOL(skb_truesize_bug);
  *	@gfp_mask: allocation mask
  *	@fclone: allocate from fclone cache instead of head cache
  *		and allocate a cloned (child) skb
+ *	@node: numa node to allocate memory on
  *
  *	Allocate a new &sk_buff. The returned buffer has no headroom and a
  *	tail room of size bytes. The object has a reference count of one.
@@ -141,9 +142,9 @@ EXPORT_SYMBOL(skb_truesize_bug);
  *	%GFP_ATOMIC.
  */
 struct sk_buff *__alloc_skb(unsigned int size, gfp_t gfp_mask,
-			    int fclone)
+			    int fclone, int node)
 {
-	kmem_cache_t *cache;
+	struct kmem_cache *cache;
 	struct skb_shared_info *shinfo;
 	struct sk_buff *skb;
 	u8 *data;
@@ -151,14 +152,14 @@ struct sk_buff *__alloc_skb(unsigned int size, gfp_t gfp_mask,
 	cache = fclone ? skbuff_fclone_cache : skbuff_head_cache;
 
 	/* Get the HEAD */
-	skb = kmem_cache_alloc(cache, gfp_mask & ~__GFP_DMA);
+	skb = kmem_cache_alloc_node(cache, gfp_mask & ~__GFP_DMA, node);
 	if (!skb)
 		goto out;
 
 	/* Get the DATA. Size must match skb_add_mtu(). */
 	size = SKB_DATA_ALIGN(size);
-	data = kmalloc_track_caller(size + sizeof(struct skb_shared_info),
-			gfp_mask);
+	data = kmalloc_node_track_caller(size + sizeof(struct skb_shared_info),
+			gfp_mask, node);
 	if (!data)
 		goto nodata;
 
@@ -210,7 +211,7 @@ nodata:
  *	Buffers may only be allocated from interrupts using a @gfp_mask of
  *	%GFP_ATOMIC.
  */
-struct sk_buff *alloc_skb_from_cache(kmem_cache_t *cp,
+struct sk_buff *alloc_skb_from_cache(struct kmem_cache *cp,
 				     unsigned int size,
 				     gfp_t gfp_mask)
 {
@@ -267,9 +268,10 @@ nodata:
 struct sk_buff *__netdev_alloc_skb(struct net_device *dev,
 		unsigned int length, gfp_t gfp_mask)
 {
+	int node = dev->class_dev.dev ? dev_to_node(dev->class_dev.dev) : -1;
 	struct sk_buff *skb;
 
-	skb = alloc_skb(length + NET_SKB_PAD, gfp_mask);
+ 	skb = __alloc_skb(length + NET_SKB_PAD, gfp_mask, 0, node);
 	if (likely(skb)) {
 		skb_reserve(skb, NET_SKB_PAD);
 		skb->dev = dev;
diff --git a/net/core/sock.c b/net/core/sock.c
index 419c7d3289c..0ed5b4f0bc4 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -810,24 +810,11 @@ lenout:
  */
 static void inline sock_lock_init(struct sock *sk)
 {
-	spin_lock_init(&sk->sk_lock.slock);
-	sk->sk_lock.owner = NULL;
-	init_waitqueue_head(&sk->sk_lock.wq);
-	/*
-	 * Make sure we are not reinitializing a held lock:
-	 */
-	debug_check_no_locks_freed((void *)&sk->sk_lock, sizeof(sk->sk_lock));
-
-	/*
-	 * Mark both the sk_lock and the sk_lock.slock as a
-	 * per-address-family lock class:
-	 */
-	lockdep_set_class_and_name(&sk->sk_lock.slock,
-				   af_family_slock_keys + sk->sk_family,
-				   af_family_slock_key_strings[sk->sk_family]);
-	lockdep_init_map(&sk->sk_lock.dep_map,
-			 af_family_key_strings[sk->sk_family],
-			 af_family_keys + sk->sk_family, 0);
+	sock_lock_init_class_and_name(sk,
+			af_family_slock_key_strings[sk->sk_family],
+			af_family_slock_keys + sk->sk_family,
+			af_family_key_strings[sk->sk_family],
+			af_family_keys + sk->sk_family);
 }
 
 /**
@@ -841,7 +828,7 @@ struct sock *sk_alloc(int family, gfp_t priority,
 		      struct proto *prot, int zero_it)
 {
 	struct sock *sk = NULL;
-	kmem_cache_t *slab = prot->slab;
+	struct kmem_cache *slab = prot->slab;
 
 	if (slab != NULL)
 		sk = kmem_cache_alloc(slab, priority);
diff --git a/net/core/wireless.c b/net/core/wireless.c
index cb1b8728d7e..f69ab7b4408 100644
--- a/net/core/wireless.c
+++ b/net/core/wireless.c
@@ -2130,7 +2130,7 @@ int iw_handler_set_spy(struct net_device *	dev,
 	 * The rtnl_lock() make sure we don't race with the other iw_handlers.
 	 * This make sure wireless_spy_update() "see" that the spy list
 	 * is temporarily disabled. */
-	wmb();
+	smp_wmb();
 
 	/* Are there are addresses to copy? */
 	if(wrqu->data.length > 0) {
@@ -2159,7 +2159,7 @@ int iw_handler_set_spy(struct net_device *	dev,
 	}
 
 	/* Make sure above is updated before re-enabling */
-	wmb();
+	smp_wmb();
 
 	/* Enable addresses */
 	spydata->spy_number = wrqu->data.length;
diff --git a/net/dccp/ackvec.c b/net/dccp/ackvec.c
index bdf1bb7a82c..1f4727ddbdb 100644
--- a/net/dccp/ackvec.c
+++ b/net/dccp/ackvec.c
@@ -21,8 +21,8 @@
 
 #include <net/sock.h>
 
-static kmem_cache_t *dccp_ackvec_slab;
-static kmem_cache_t *dccp_ackvec_record_slab;
+static struct kmem_cache *dccp_ackvec_slab;
+static struct kmem_cache *dccp_ackvec_record_slab;
 
 static struct dccp_ackvec_record *dccp_ackvec_record_new(void)
 {
diff --git a/net/dccp/ccid.c b/net/dccp/ccid.c
index ff05e59043c..d8cf92f09e6 100644
--- a/net/dccp/ccid.c
+++ b/net/dccp/ccid.c
@@ -55,9 +55,9 @@ static inline void ccids_read_unlock(void)
 #define ccids_read_unlock() do { } while(0)
 #endif
 
-static kmem_cache_t *ccid_kmem_cache_create(int obj_size, const char *fmt,...)
+static struct kmem_cache *ccid_kmem_cache_create(int obj_size, const char *fmt,...)
 {
-	kmem_cache_t *slab;
+	struct kmem_cache *slab;
 	char slab_name_fmt[32], *slab_name;
 	va_list args;
 
@@ -75,7 +75,7 @@ static kmem_cache_t *ccid_kmem_cache_create(int obj_size, const char *fmt,...)
 	return slab;
 }
 
-static void ccid_kmem_cache_destroy(kmem_cache_t *slab)
+static void ccid_kmem_cache_destroy(struct kmem_cache *slab)
 {
 	if (slab != NULL) {
 		const char *name = kmem_cache_name(slab);
diff --git a/net/dccp/ccid.h b/net/dccp/ccid.h
index c7c29514dce..bcc2d12ae81 100644
--- a/net/dccp/ccid.h
+++ b/net/dccp/ccid.h
@@ -27,9 +27,9 @@ struct ccid_operations {
 	unsigned char	ccid_id;
 	const char	*ccid_name;
 	struct module	*ccid_owner;
-	kmem_cache_t	*ccid_hc_rx_slab;
+	struct kmem_cache	*ccid_hc_rx_slab;
 	__u32		ccid_hc_rx_obj_size;
-	kmem_cache_t	*ccid_hc_tx_slab;
+	struct kmem_cache	*ccid_hc_tx_slab;
 	__u32		ccid_hc_tx_obj_size;
 	int		(*ccid_hc_rx_init)(struct ccid *ccid, struct sock *sk);
 	int		(*ccid_hc_tx_init)(struct ccid *ccid, struct sock *sk);
diff --git a/net/dccp/ccids/ccid3.c b/net/dccp/ccids/ccid3.c
index cf8c07b2704..66a27b9688c 100644
--- a/net/dccp/ccids/ccid3.c
+++ b/net/dccp/ccids/ccid3.c
@@ -295,7 +295,7 @@ static int ccid3_hc_tx_send_packet(struct sock *sk, struct sk_buff *skb)
 	new_packet = dccp_tx_hist_head(&hctx->ccid3hctx_hist);
 	if (new_packet == NULL || new_packet->dccphtx_sent) {
 		new_packet = dccp_tx_hist_entry_new(ccid3_tx_hist,
-						    SLAB_ATOMIC);
+						    GFP_ATOMIC);
 
 		if (unlikely(new_packet == NULL)) {
 			DCCP_WARN("%s, sk=%p, not enough mem to add to history,"
@@ -889,7 +889,7 @@ static void ccid3_hc_rx_update_li(struct sock *sk, u64 seq_loss, u8 win_loss)
 		/* new loss event detected */
 		/* calculate last interval length */
 		seq_temp = dccp_delta_seqno(head->dccplih_seqno, seq_loss);
-		entry = dccp_li_hist_entry_new(ccid3_li_hist, SLAB_ATOMIC);
+		entry = dccp_li_hist_entry_new(ccid3_li_hist, GFP_ATOMIC);
 
 		if (entry == NULL) {
 			DCCP_BUG("out of memory - can not allocate entry");
@@ -1011,7 +1011,7 @@ static void ccid3_hc_rx_packet_recv(struct sock *sk, struct sk_buff *skb)
 	}
 
 	packet = dccp_rx_hist_entry_new(ccid3_rx_hist, sk, opt_recv->dccpor_ndp,
-					skb, SLAB_ATOMIC);
+					skb, GFP_ATOMIC);
 	if (unlikely(packet == NULL)) {
 		DCCP_WARN("%s, sk=%p, Not enough mem to add rx packet "
 			  "to history, consider it lost!\n", dccp_role(sk), sk);
diff --git a/net/dccp/ccids/lib/loss_interval.c b/net/dccp/ccids/lib/loss_interval.c
index 48b9b93f8ac..0a0baef16b3 100644
--- a/net/dccp/ccids/lib/loss_interval.c
+++ b/net/dccp/ccids/lib/loss_interval.c
@@ -125,7 +125,7 @@ int dccp_li_hist_interval_new(struct dccp_li_hist *hist,
 	int i;
 
 	for (i = 0; i < DCCP_LI_HIST_IVAL_F_LENGTH; i++) {
-		entry = dccp_li_hist_entry_new(hist, SLAB_ATOMIC);
+		entry = dccp_li_hist_entry_new(hist, GFP_ATOMIC);
 		if (entry == NULL) {
 			dccp_li_hist_purge(hist, list);
 			DCCP_BUG("loss interval list entry is NULL");
diff --git a/net/dccp/ccids/lib/loss_interval.h b/net/dccp/ccids/lib/loss_interval.h
index 0ae85f0340b..eb257014dd7 100644
--- a/net/dccp/ccids/lib/loss_interval.h
+++ b/net/dccp/ccids/lib/loss_interval.h
@@ -20,7 +20,7 @@
 #define DCCP_LI_HIST_IVAL_F_LENGTH  8
 
 struct dccp_li_hist {
-	kmem_cache_t *dccplih_slab;
+	struct kmem_cache *dccplih_slab;
 };
 
 extern struct dccp_li_hist *dccp_li_hist_new(const char *name);
diff --git a/net/dccp/ccids/lib/packet_history.h b/net/dccp/ccids/lib/packet_history.h
index 067cf1c85a3..9a8bcf224aa 100644
--- a/net/dccp/ccids/lib/packet_history.h
+++ b/net/dccp/ccids/lib/packet_history.h
@@ -68,14 +68,14 @@ struct dccp_rx_hist_entry {
 };
 
 struct dccp_tx_hist {
-	kmem_cache_t *dccptxh_slab;
+	struct kmem_cache *dccptxh_slab;
 };
 
 extern struct dccp_tx_hist *dccp_tx_hist_new(const char *name);
 extern void dccp_tx_hist_delete(struct dccp_tx_hist *hist);
 
 struct dccp_rx_hist {
-	kmem_cache_t *dccprxh_slab;
+	struct kmem_cache *dccprxh_slab;
 };
 
 extern struct dccp_rx_hist *dccp_rx_hist_new(const char *name);
diff --git a/net/decnet/dn_table.c b/net/decnet/dn_table.c
index bdbc3f43166..13b2421991b 100644
--- a/net/decnet/dn_table.c
+++ b/net/decnet/dn_table.c
@@ -79,7 +79,7 @@ for( ; ((f) = *(fp)) != NULL && dn_key_eq((f)->fn_key, (key)); (fp) = &(f)->fn_n
 static struct hlist_head dn_fib_table_hash[DN_FIB_TABLE_HASHSZ];
 static DEFINE_RWLOCK(dn_fib_tables_lock);
 
-static kmem_cache_t *dn_hash_kmem __read_mostly;
+static struct kmem_cache *dn_hash_kmem __read_mostly;
 static int dn_fib_hash_zombies;
 
 static inline dn_fib_idx_t dn_hash(dn_fib_key_t key, struct dn_zone *dz)
@@ -590,7 +590,7 @@ create:
 
 replace:
 	err = -ENOBUFS;
-	new_f = kmem_cache_alloc(dn_hash_kmem, SLAB_KERNEL);
+	new_f = kmem_cache_alloc(dn_hash_kmem, GFP_KERNEL);
 	if (new_f == NULL)
 		goto out;
 
diff --git a/net/ieee80211/softmac/ieee80211softmac_assoc.c b/net/ieee80211/softmac/ieee80211softmac_assoc.c
index 08386c10295..eec1a1dd91d 100644
--- a/net/ieee80211/softmac/ieee80211softmac_assoc.c
+++ b/net/ieee80211/softmac/ieee80211softmac_assoc.c
@@ -431,6 +431,17 @@ ieee80211softmac_handle_assoc_response(struct net_device * dev,
 	return 0;
 }
 
+void
+ieee80211softmac_try_reassoc(struct ieee80211softmac_device *mac)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&