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

Conflicts:

	drivers/net/hp-plus.c
	drivers/net/wireless/ath5k/base.c
	drivers/net/wireless/ath9k/recv.c
	net/wireless/reg.c

8 files changed, 52 insertions, 27 deletions

diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c
index db6176d..274194b 100644
--- a/net/bridge/br_netfilter.c
+++ b/net/bridge/br_netfilter.c
@@ -101,6 +101,17 @@ static inline __be16 pppoe_proto(const struct sk_buff *skb)
 	 pppoe_proto(skb) == htons(PPP_IPV6) && \
 	 brnf_filter_pppoe_tagged)
 
+static void fake_update_pmtu(struct dst_entry *dst, u32 mtu)
+{
+}
+
+static struct dst_ops fake_dst_ops = {
+	.family =		AF_INET,
+	.protocol =		__constant_htons(ETH_P_IP),
+	.update_pmtu =		fake_update_pmtu,
+	.entries =		ATOMIC_INIT(0),
+};
+
 /*
  * Initialize bogus route table used to keep netfilter happy.
  * Currently, we fill in the PMTU entry because netfilter
@@ -117,6 +128,7 @@ void br_netfilter_rtable_init(struct net_bridge *br)
 	rt->u.dst.path = &rt->u.dst;
 	rt->u.dst.metrics[RTAX_MTU - 1] = 1500;
 	rt->u.dst.flags	= DST_NOXFRM;
+	rt->u.dst.ops = &fake_dst_ops;
 }
 
 static inline struct rtable *bridge_parent_rtable(const struct net_device *dev)
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index e03d77d..b1f6287 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -149,7 +149,7 @@ void skb_under_panic(struct sk_buff *skb, int sz, void *here)
 
 void skb_truesize_bug(struct sk_buff *skb)
 {
-	printk(KERN_ERR "SKB BUG: Invalid truesize (%u) "
+	WARN(net_ratelimit(), KERN_ERR "SKB BUG: Invalid truesize (%u) "
 	       "len=%u, sizeof(sk_buff)=%Zd\n",
 	       skb->truesize, skb->len, sizeof(struct sk_buff));
 }
diff --git a/net/core/sock.c b/net/core/sock.c
index b287645..ac4f0e7 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -2043,9 +2043,6 @@ static inline void release_proto_idx(struct proto *prot)
 
 int proto_register(struct proto *prot, int alloc_slab)
 {
-	char *request_sock_slab_name = NULL;
-	char *timewait_sock_slab_name;
-
 	if (alloc_slab) {
 		prot->slab = kmem_cache_create(prot->name, prot->obj_size, 0,
 					SLAB_HWCACHE_ALIGN | prot->slab_flags,
@@ -2060,12 +2057,12 @@ int proto_register(struct proto *prot, int alloc_slab)
 		if (prot->rsk_prot != NULL) {
 			static const char mask[] = "request_sock_%s";
 
-			request_sock_slab_name = kmalloc(strlen(prot->name) + sizeof(mask) - 1, GFP_KERNEL);
-			if (request_sock_slab_name == NULL)
+			prot->rsk_prot->slab_name = kmalloc(strlen(prot->name) + sizeof(mask) - 1, GFP_KERNEL);
+			if (prot->rsk_prot->slab_name == NULL)
 				goto out_free_sock_slab;
 
-			sprintf(request_sock_slab_name, mask, prot->name);
-			prot->rsk_prot->slab = kmem_cache_create(request_sock_slab_name,
+			sprintf(prot->rsk_prot->slab_name, mask, prot->name);
+			prot->rsk_prot->slab = kmem_cache_create(prot->rsk_prot->slab_name,
 								 prot->rsk_prot->obj_size, 0,
 								 SLAB_HWCACHE_ALIGN, NULL);
 
@@ -2079,14 +2076,14 @@ int proto_register(struct proto *prot, int alloc_slab)
 		if (prot->twsk_prot != NULL) {
 			static const char mask[] = "tw_sock_%s";
 
-			timewait_sock_slab_name = kmalloc(strlen(prot->name) + sizeof(mask) - 1, GFP_KERNEL);
+			prot->twsk_prot->twsk_slab_name = kmalloc(strlen(prot->name) + sizeof(mask) - 1, GFP_KERNEL);
 
-			if (timewait_sock_slab_name == NULL)
+			if (prot->twsk_prot->twsk_slab_name == NULL)
 				goto out_free_request_sock_slab;
 
-			sprintf(timewait_sock_slab_name, mask, prot->name);
+			sprintf(prot->twsk_prot->twsk_slab_name, mask, prot->name);
 			prot->twsk_prot->twsk_slab =
-				kmem_cache_create(timewait_sock_slab_name,
+				kmem_cache_create(prot->twsk_prot->twsk_slab_name,
 						  prot->twsk_prot->twsk_obj_size,
 						  0,
 						  SLAB_HWCACHE_ALIGN |
@@ -2104,14 +2101,14 @@ int proto_register(struct proto *prot, int alloc_slab)
 	return 0;
 
 out_free_timewait_sock_slab_name:
-	kfree(timewait_sock_slab_name);
+	kfree(prot->twsk_prot->twsk_slab_name);
 out_free_request_sock_slab:
 	if (prot->rsk_prot && prot->rsk_prot->slab) {
 		kmem_cache_destroy(prot->rsk_prot->slab);
 		prot->rsk_prot->slab = NULL;
 	}
 out_free_request_sock_slab_name:
-	kfree(request_sock_slab_name);
+	kfree(prot->rsk_prot->slab_name);
 out_free_sock_slab:
 	kmem_cache_destroy(prot->slab);
 	prot->slab = NULL;
@@ -2134,18 +2131,14 @@ void proto_unregister(struct proto *prot)
 	}
 
 	if (prot->rsk_prot != NULL && prot->rsk_prot->slab != NULL) {
-		const char *name = kmem_cache_name(prot->rsk_prot->slab);
-
 		kmem_cache_destroy(prot->rsk_prot->slab);
-		kfree(name);
+		kfree(prot->rsk_prot->slab_name);
 		prot->rsk_prot->slab = NULL;
 	}
 
 	if (prot->twsk_prot != NULL && prot->twsk_prot->twsk_slab != NULL) {
-		const char *name = kmem_cache_name(prot->twsk_prot->twsk_slab);
-
 		kmem_cache_destroy(prot->twsk_prot->twsk_slab);
-		kfree(name);
+		kfree(prot->twsk_prot->twsk_slab_name);
 		prot->twsk_prot->twsk_slab = NULL;
 	}
 }
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index c069ecb..76f8409 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -722,7 +722,8 @@ static void tcp_queue_skb(struct sock *sk, struct sk_buff *skb)
 static void tcp_set_skb_tso_segs(struct sock *sk, struct sk_buff *skb,
 				 unsigned int mss_now)
 {
-	if (skb->len <= mss_now || !sk_can_gso(sk)) {
+	if (skb->len <= mss_now || !sk_can_gso(sk) ||
+	    tcp_urg_mode(tcp_sk(sk))) {
 		/* Avoid the costly divide in the normal
 		 * non-TSO case.
 		 */
@@ -1163,7 +1164,9 @@ static int tcp_init_tso_segs(struct sock *sk, struct sk_buff *skb,
 {
 	int tso_segs = tcp_skb_pcount(skb);
 
-	if (!tso_segs || (tso_segs > 1 && tcp_skb_mss(skb) != mss_now)) {
+	if (!tso_segs ||
+	    (tso_segs > 1 && (tcp_skb_mss(skb) != mss_now ||
+			      tcp_urg_mode(tcp_sk(sk))))) {
 		tcp_set_skb_tso_segs(sk, skb, mss_now);
 		tso_segs = tcp_skb_pcount(skb);
 	}
diff --git a/net/mac80211/wext.c b/net/mac80211/wext.c
index 63f36e9..b3ce28d 100644
--- a/net/mac80211/wext.c
+++ b/net/mac80211/wext.c
@@ -271,6 +271,7 @@ static int ieee80211_ioctl_siwmode(struct net_device *dev,
 				   __u32 *mode, char *extra)
 {
 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+	struct ieee80211_local *local = sdata->local;
 	int type;
 
 	if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
@@ -281,6 +282,13 @@ static int ieee80211_ioctl_siwmode(struct net_device *dev,
 		type = NL80211_IFTYPE_STATION;
 		break;
 	case IW_MODE_ADHOC:
+		/* Setting ad-hoc mode on non ibss channel is not
+		 * supported.
+		 */
+		if (local->oper_channel &&
+		    (local->oper_channel->flags & IEEE80211_CHAN_NO_IBSS))
+			return -EOPNOTSUPP;
+
 		type = NL80211_IFTYPE_ADHOC;
 		break;
 	case IW_MODE_REPEAT:
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index 622d7c6..233fdd2 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -305,9 +305,7 @@ void nf_conntrack_hash_insert(struct nf_conn *ct)
 	hash = hash_conntrack(&ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple);
 	repl_hash = hash_conntrack(&ct->tuplehash[IP_CT_DIR_REPLY].tuple);
 
-	spin_lock_bh(&nf_conntrack_lock);
 	__nf_conntrack_hash_insert(ct, hash, repl_hash);
-	spin_unlock_bh(&nf_conntrack_lock);
 }
 EXPORT_SYMBOL_GPL(nf_conntrack_hash_insert);
 
diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index a040d46..5f4a651 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -1090,7 +1090,7 @@ ctnetlink_create_conntrack(struct nlattr *cda[],
 	struct nf_conn_help *help;
 	struct nf_conntrack_helper *helper;
 
-	ct = nf_conntrack_alloc(&init_net, otuple, rtuple, GFP_KERNEL);
+	ct = nf_conntrack_alloc(&init_net, otuple, rtuple, GFP_ATOMIC);
 	if (ct == NULL || IS_ERR(ct))
 		return -ENOMEM;
 
@@ -1138,7 +1138,7 @@ ctnetlink_create_conntrack(struct nlattr *cda[],
 		}
 	}
 
-	nf_ct_acct_ext_add(ct, GFP_KERNEL);
+	nf_ct_acct_ext_add(ct, GFP_ATOMIC);
 
 #if defined(CONFIG_NF_CONNTRACK_MARK)
 	if (cda[CTA_MARK])
@@ -1212,13 +1212,14 @@ ctnetlink_new_conntrack(struct sock *ctnl, struct sk_buff *skb,
 			atomic_inc(&master_ct->ct_general.use);
 		}
 
-		spin_unlock_bh(&nf_conntrack_lock);
 		err = -ENOENT;
 		if (nlh->nlmsg_flags & NLM_F_CREATE)
 			err = ctnetlink_create_conntrack(cda,
 							 &otuple,
 							 &rtuple,
 							 master_ct);
+		spin_unlock_bh(&nf_conntrack_lock);
+
 		if (err < 0 && master_ct)
 			nf_ct_put(master_ct);
 
diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c
index a7f1ce1..0c1cc76 100644
--- a/net/rose/af_rose.c
+++ b/net/rose/af_rose.c
@@ -1072,6 +1072,10 @@ static int rose_sendmsg(struct kiocb *iocb, struct socket *sock,
 	unsigned char *asmptr;
 	int n, size, qbit = 0;
 
+	/* ROSE empty frame has no meaning : don't send */
+	if (len == 0)
+		return 0;
+
 	if (msg->msg_flags & ~(MSG_DONTWAIT|MSG_EOR|MSG_CMSG_COMPAT))
 		return -EINVAL;
 
@@ -1265,6 +1269,12 @@ static int rose_recvmsg(struct kiocb *iocb, struct socket *sock,
 	skb_reset_transport_header(skb);
 	copied     = skb->len;
 
+	/* ROSE empty frame has no meaning : ignore it */
+	if (copied == 0) {
+		skb_free_datagram(sk, skb);
+		return copied;
+	}
+
 	if (copied > size) {
 		copied = size;
 		msg->msg_flags |= MSG_TRUNC;