29 files changed, 218 insertions, 74 deletions

diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
index 694be86e4490..5975ec3be7f3 100644
--- a/net/8021q/vlan.c
+++ b/net/8021q/vlan.c
@@ -384,17 +384,35 @@ static void vlan_sync_address(struct net_device *dev,
         memcpy(vlan->real_dev_addr, dev->dev_addr, ETH_ALEN);
 }
 
+static void __vlan_device_event(struct net_device *dev, unsigned long event)
+{
+        switch (event) {
+        case NETDEV_CHANGENAME:
+                vlan_proc_rem_dev(dev);
+                if (vlan_proc_add_dev(dev) < 0)
+                        pr_warning("8021q: failed to change proc name for %s\n",
+                                        dev->name);
+                break;
+        }
+}
+
 static int vlan_device_event(struct notifier_block *unused, unsigned long event,
                              void *ptr)
 {
         struct net_device *dev = ptr;
-        struct vlan_group *grp = __vlan_find_group(dev->ifindex);
+        struct vlan_group *grp;
         int i, flgs;
         struct net_device *vlandev;
 
         if (dev_net(dev) != &init_net)
                 return NOTIFY_DONE;
 
+        if (is_vlan_dev(dev)) {
+                __vlan_device_event(dev, event);
+                goto out;
+        }
+
+        grp = __vlan_find_group(dev->ifindex);
         if (!grp)
                 goto out;
 
diff --git a/net/8021q/vlan.h b/net/8021q/vlan.h
index 73efcc715ccb..51271aea402b 100644
--- a/net/8021q/vlan.h
+++ b/net/8021q/vlan.h
@@ -45,4 +45,9 @@ void vlan_netlink_fini(void);
 
 extern struct rtnl_link_ops vlan_link_ops;
 
+static inline int is_vlan_dev(struct net_device *dev)
+{
+        return dev->priv_flags & IFF_802_1Q_VLAN;
+}
+
 #endif /* !(__BEN_VLAN_802_1Q_INC__) */
diff --git a/net/8021q/vlanproc.c b/net/8021q/vlanproc.c
index 3b8657a0b837..24cd96ee8109 100644
--- a/net/8021q/vlanproc.c
+++ b/net/8021q/vlanproc.c
@@ -210,11 +210,6 @@ int vlan_proc_rem_dev(struct net_device *vlandev)
  * The following few functions build the content of /proc/net/vlan/config
  */
 
-static inline int is_vlan_dev(struct net_device *dev)
-{
-        return dev->priv_flags & IFF_802_1Q_VLAN;
-}
-
 /* start read of /proc/net/vlan/config */
 static void *vlan_seq_start(struct seq_file *seq, loff_t *pos)
         __acquires(dev_base_lock)
diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c
index 1220d8a41eb5..d366423c8392 100644
--- a/net/bluetooth/af_bluetooth.c
+++ b/net/bluetooth/af_bluetooth.c
@@ -53,6 +53,30 @@
 /* Bluetooth sockets */
 #define BT_MAX_PROTO    8
 static struct net_proto_family *bt_proto[BT_MAX_PROTO];
+
+static struct lock_class_key bt_slock_key[BT_MAX_PROTO];
+static struct lock_class_key bt_lock_key[BT_MAX_PROTO];
+static const char *bt_key_strings[BT_MAX_PROTO] = {
+        "sk_lock-AF_BLUETOOTH-BTPROTO_L2CAP",
+        "sk_lock-AF_BLUETOOTH-BTPROTO_HCI",
+        "sk_lock-AF_BLUETOOTH-BTPROTO_SCO",
+        "sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM",
+        "sk_lock-AF_BLUETOOTH-BTPROTO_BNEP",
+        "sk_lock-AF_BLUETOOTH-BTPROTO_CMTP",
+        "sk_lock-AF_BLUETOOTH-BTPROTO_HIDP",
+        "sk_lock-AF_BLUETOOTH-BTPROTO_AVDTP",
+};
+
+static const char *bt_slock_key_strings[BT_MAX_PROTO] = {
+        "slock-AF_BLUETOOTH-BTPROTO_L2CAP",
+        "slock-AF_BLUETOOTH-BTPROTO_HCI",
+        "slock-AF_BLUETOOTH-BTPROTO_SCO",
+        "slock-AF_BLUETOOTH-BTPROTO_RFCOMM",
+        "slock-AF_BLUETOOTH-BTPROTO_BNEP",
+        "slock-AF_BLUETOOTH-BTPROTO_CMTP",
+        "slock-AF_BLUETOOTH-BTPROTO_HIDP",
+        "slock-AF_BLUETOOTH-BTPROTO_AVDTP",
+};
 static DEFINE_RWLOCK(bt_proto_lock);
 
 int bt_sock_register(int proto, struct net_proto_family *ops)
@@ -95,6 +119,21 @@ int bt_sock_unregister(int proto)
 }
 EXPORT_SYMBOL(bt_sock_unregister);
 
+static void bt_reclassify_sock_lock(struct socket *sock, int proto)
+{
+        struct sock *sk = sock->sk;
+
+        if (!sk)
+                return;
+        BUG_ON(sock_owned_by_user(sk));
+
+        sock_lock_init_class_and_name(sk,
+                        bt_slock_key_strings[proto],
+                        &bt_slock_key[proto],
+                        bt_key_strings[proto],
+                        &bt_lock_key[proto]);
+}
+
 static int bt_sock_create(struct net *net, struct socket *sock, int proto)
 {
         int err;
@@ -117,6 +156,7 @@ static int bt_sock_create(struct net *net, struct socket *sock, int proto)
 
         if (bt_proto[proto] && try_module_get(bt_proto[proto]->owner)) {
                 err = bt_proto[proto]->create(net, sock, proto);
+                bt_reclassify_sock_lock(sock, proto);
                 module_put(bt_proto[proto]->owner);
         }
 
diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
index b5d4019d3572..1d36c093523b 100644
--- a/net/bluetooth/hci_sock.c
+++ b/net/bluetooth/hci_sock.c
@@ -84,7 +84,7 @@ static struct hci_sec_filter hci_sec_filter = {
 };
 
 static struct bt_sock_list hci_sk_list = {
-        .lock = RW_LOCK_UNLOCKED
+        .lock = __RW_LOCK_UNLOCKED(hci_sk_list.lock)
 };
 
 /* Send frame to RAW socket */
diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c
index 6b995ac832f5..a4849f2c1d81 100644
--- a/net/bluetooth/l2cap.c
+++ b/net/bluetooth/l2cap.c
@@ -62,7 +62,7 @@ static u32 l2cap_feat_mask = 0x0000;
 static const struct proto_ops l2cap_sock_ops;
 
 static struct bt_sock_list l2cap_sk_list = {
-        .lock = RW_LOCK_UNLOCKED
+        .lock = __RW_LOCK_UNLOCKED(l2cap_sk_list.lock)
 };
 
 static void __l2cap_sock_close(struct sock *sk, int reason);
diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c
index 0c2c93735e93..eb62558e9b09 100644
--- a/net/bluetooth/rfcomm/core.c
+++ b/net/bluetooth/rfcomm/core.c
@@ -423,8 +423,8 @@ static int __rfcomm_dlc_close(struct rfcomm_dlc *d, int err)
 
                 rfcomm_dlc_lock(d);
                 d->state = BT_CLOSED;
-                d->state_change(d, err);
                 rfcomm_dlc_unlock(d);
+                d->state_change(d, err);
 
                 skb_queue_purge(&d->tx_queue);
                 rfcomm_dlc_unlink(d);
diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c
index c103fa02893b..5083adcbfae5 100644
--- a/net/bluetooth/rfcomm/sock.c
+++ b/net/bluetooth/rfcomm/sock.c
@@ -60,7 +60,7 @@
 static const struct proto_ops rfcomm_sock_ops;
 
 static struct bt_sock_list rfcomm_sk_list = {
-        .lock = RW_LOCK_UNLOCKED
+        .lock = __RW_LOCK_UNLOCKED(rfcomm_sk_list.lock)
 };
 
 static void rfcomm_sock_close(struct sock *sk);
diff --git a/net/bluetooth/rfcomm/tty.c b/net/bluetooth/rfcomm/tty.c
index e4c779bb8d76..c3f749abb2d0 100644
--- a/net/bluetooth/rfcomm/tty.c
+++ b/net/bluetooth/rfcomm/tty.c
@@ -570,12 +570,7 @@ static void rfcomm_dev_state_change(struct rfcomm_dlc *dlc, int err)
                                         return;
 
                                 rfcomm_dev_del(dev);
-                                /* We have to drop DLC lock here, otherwise
-                                   rfcomm_dev_put() will dead lock if it's
-                                   the last reference. */
-                                rfcomm_dlc_unlock(dlc);
                                 rfcomm_dev_put(dev);
-                                rfcomm_dlc_lock(dlc);
                         }
                 } else
                         tty_hangup(dev->tty);
diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
index 2a5953b4405d..b0d487e2db20 100644
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -58,7 +58,7 @@
 static const struct proto_ops sco_sock_ops;
 
 static struct bt_sock_list sco_sk_list = {
-        .lock = RW_LOCK_UNLOCKED
+        .lock = __RW_LOCK_UNLOCKED(sco_sk_list.lock)
 };
 
 static void __sco_chan_add(struct sco_conn *conn, struct sock *sk, struct sock *parent);
diff --git a/net/ipv4/inet_fragment.c b/net/ipv4/inet_fragment.c
index 93170bfcc22e..4ed429bd5951 100644
--- a/net/ipv4/inet_fragment.c
+++ b/net/ipv4/inet_fragment.c
@@ -86,7 +86,10 @@ EXPORT_SYMBOL(inet_frags_fini);
 void inet_frags_exit_net(struct netns_frags *nf, struct inet_frags *f)
 {
         nf->low_thresh = 0;
+
+        local_bh_disable();
         inet_frag_evictor(nf, f);
+        local_bh_enable();
 }
 EXPORT_SYMBOL(inet_frags_exit_net);
 
diff --git a/net/ipv4/ip_forward.c b/net/ipv4/ip_forward.c
index 9d6d3befd854..4813c39b438b 100644
--- a/net/ipv4/ip_forward.c
+++ b/net/ipv4/ip_forward.c
@@ -85,7 +85,7 @@ int ip_forward(struct sk_buff *skb)
         if (opt->is_strictroute && rt->rt_dst != rt->rt_gateway)
                 goto sr_failed;
 
-        if (unlikely(skb->len > dst_mtu(&rt->u.dst) &&
+        if (unlikely(skb->len > dst_mtu(&rt->u.dst) && !skb_is_gso(skb) &&
                      (ip_hdr(skb)->frag_off & htons(IP_DF))) && !skb->local_df) {
                 IP_INC_STATS(IPSTATS_MIB_FRAGFAILS);
                 icmp_send(skb, ICMP_DEST_UNREACH, ICMP_FRAG_NEEDED,
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 03bd70697481..7b7fcacec4a0 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -1551,14 +1551,14 @@ static void *udp_seq_start(struct seq_file *seq, loff_t *pos)
         __acquires(udp_hash_lock)
 {
         read_lock(&udp_hash_lock);
-        return *pos ? udp_get_idx(seq, *pos-1) : (void *)1;
+        return *pos ? udp_get_idx(seq, *pos-1) : SEQ_START_TOKEN;
 }
 
 static void *udp_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 {
         struct sock *sk;
 
-        if (v == (void *)1)
+        if (v == SEQ_START_TOKEN)
                 sk = udp_get_idx(seq, 0);
         else
                 sk = udp_get_next(seq, v);
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 5ab9973571ef..87f688857ade 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -776,6 +776,7 @@ static int ipv6_create_tempaddr(struct inet6_ifaddr *ifp, struct inet6_ifaddr *i
         struct inet6_dev *idev = ifp->idev;
         struct in6_addr addr, *tmpaddr;
         unsigned long tmp_prefered_lft, tmp_valid_lft, tmp_cstamp, tmp_tstamp;
+        unsigned long regen_advance;
         int tmp_plen;
         int ret = 0;
         int max_addresses;
@@ -836,8 +837,23 @@ retry:
         tmp_tstamp = ifp->tstamp;
         spin_unlock_bh(&ifp->lock);
 
+        regen_advance = idev->cnf.regen_max_retry *
+                        idev->cnf.dad_transmits *
+                        idev->nd_parms->retrans_time / HZ;
         write_unlock(&idev->lock);
 
+        /* A temporary address is created only if this calculated Preferred
+         * Lifetime is greater than REGEN_ADVANCE time units.  In particular,
+         * an implementation must not create a temporary address with a zero
+         * Preferred Lifetime.
+         */
+        if (tmp_prefered_lft <= regen_advance) {
+                in6_ifa_put(ifp);
+                in6_dev_put(idev);
+                ret = -1;
+                goto out;
+        }
+
         addr_flags = IFA_F_TEMPORARY;
         /* set in addrconf_prefix_rcv() */
         if (ifp->flags & IFA_F_OPTIMISTIC)
@@ -1834,6 +1850,9 @@ ok:
                                  * lifetimes of an existing temporary address
                                  * when processing a Prefix Information Option.
                                  */
+                                if (ifp != ift->ifpub)
+                                        continue;
+
                                 spin_lock(&ift->lock);
                                 flags = ift->flags;
                                 if (ift->valid_lft > valid_lft &&
diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index 63309d10df3a..227ce3d2339d 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -440,10 +440,10 @@ void icmpv6_send(struct sk_buff *skb, int type, int code, __u32 info,
         }
 
         if (xfrm_decode_session_reverse(skb, &fl2, AF_INET6))
-                goto out;
+                goto out_dst_release;
 
         if (ip6_dst_lookup(sk, &dst2, &fl))
-                goto out;
+                goto out_dst_release;
 
         err = xfrm_lookup(&dst2, &fl, sk, XFRM_LOOKUP_ICMP);
         if (err == -ENOENT) {
diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c
index 7e36269826ba..43a617e2268b 100644
--- a/net/ipv6/ip6_input.c
+++ b/net/ipv6/ip6_input.c
@@ -234,8 +234,7 @@ int ip6_mc_input(struct sk_buff *skb)
         IP6_INC_STATS_BH(ip6_dst_idev(skb->dst), IPSTATS_MIB_INMCASTPKTS);
 
         hdr = ipv6_hdr(skb);
-        deliver = unlikely(skb->dev->flags & (IFF_PROMISC|IFF_ALLMULTI)) ||
-            ipv6_chk_mcast_addr(skb->dev, &hdr->daddr, NULL);
+        deliver = ipv6_chk_mcast_addr(skb->dev, &hdr->daddr, NULL);
 
         /*
          *      IPv6 multicast router mode isnt currently supported.
diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c
index ad8066200f9d..9e5f305b2022 100644
--- a/net/ipv6/netfilter/nf_conntrack_reasm.c
+++ b/net/ipv6/netfilter/nf_conntrack_reasm.c
@@ -171,7 +171,9 @@ static __inline__ void fq_kill(struct nf_ct_frag6_queue *fq)
 
 static void nf_ct_frag6_evictor(void)
 {
+        local_bh_disable();
         inet_frag_evictor(&nf_init_frags, &nf_frags);
+        local_bh_enable();
 }
 
 static void nf_ct_frag6_expire(unsigned long data)
diff --git a/net/llc/af_llc.c b/net/llc/af_llc.c
index f93b57618582..97101dcde4c0 100644
--- a/net/llc/af_llc.c
+++ b/net/llc/af_llc.c
@@ -155,6 +155,9 @@ static int llc_ui_create(struct net *net, struct socket *sock, int protocol)
         struct sock *sk;
         int rc = -ESOCKTNOSUPPORT;
 
+        if (!capable(CAP_NET_RAW))
+                return -EPERM;
+
         if (net != &init_net)
                 return -EAFNOSUPPORT;
 
diff --git a/net/llc/llc_c_ac.c b/net/llc/llc_c_ac.c
index f728ffe288aa..019c780512e8 100644
--- a/net/llc/llc_c_ac.c
+++ b/net/llc/llc_c_ac.c
@@ -198,7 +198,7 @@ int llc_conn_ac_send_disc_cmd_p_set_x(struct sock *sk, struct sk_buff *skb)
 {
         int rc = -ENOBUFS;
         struct llc_sock *llc = llc_sk(sk);
-        struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
+        struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev, LLC_PDU_TYPE_U, 0);
 
         if (nskb) {
                 struct llc_sap *sap = llc->sap;
@@ -223,7 +223,7 @@ int llc_conn_ac_send_dm_rsp_f_set_p(struct sock *sk, struct sk_buff *skb)
 {
         int rc = -ENOBUFS;
         struct llc_sock *llc = llc_sk(sk);
-        struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
+        struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev, LLC_PDU_TYPE_U, 0);
 
         if (nskb) {
                 struct llc_sap *sap = llc->sap;
@@ -249,7 +249,7 @@ int llc_conn_ac_send_dm_rsp_f_set_1(struct sock *sk, struct sk_buff *skb)
 {
         int rc = -ENOBUFS;
         struct llc_sock *llc = llc_sk(sk);
-        struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
+        struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev, LLC_PDU_TYPE_U, 0);
 
         if (nskb) {
                 struct llc_sap *sap = llc->sap;
@@ -282,7 +282,8 @@ int llc_conn_ac_send_frmr_rsp_f_set_x(struct sock *sk, struct sk_buff *skb)
                 llc_pdu_decode_pf_bit(skb, &f_bit);
         else
                 f_bit = 0;
-        nskb = llc_alloc_frame(sk, llc->dev);
+        nskb = llc_alloc_frame(sk, llc->dev, LLC_PDU_TYPE_U,
+                               sizeof(struct llc_frmr_info));
         if (nskb) {
                 struct llc_sap *sap = llc->sap;
 
@@ -306,7 +307,8 @@ int llc_conn_ac_resend_frmr_rsp_f_set_0(struct sock *sk, struct sk_buff *skb)
 {
         int rc = -ENOBUFS;
         struct llc_sock *llc = llc_sk(sk);
-        struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
+        struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev, LLC_PDU_TYPE_U,
+                                               sizeof(struct llc_frmr_info));
 
         if (nskb) {
                 struct llc_sap *sap = llc->sap;
@@ -336,7 +338,8 @@ int llc_conn_ac_resend_frmr_rsp_f_set_p(struct sock *sk, struct sk_buff *skb)
         struct llc_sock *llc = llc_sk(sk);
 
         llc_pdu_decode_pf_bit(skb, &f_bit);
-        nskb = llc_alloc_frame(sk, llc->dev);
+        nskb = llc_alloc_frame(sk, llc->dev, LLC_PDU_TYPE_U,
+                               sizeof(struct llc_frmr_info));
         if (nskb) {
                 struct llc_sap *sap = llc->sap;
                 struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb);
@@ -424,7 +427,7 @@ int llc_conn_ac_resend_i_xxx_x_set_0_or_send_rr(struct sock *sk,
         struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb);
         int rc = -ENOBUFS;
         struct llc_sock *llc = llc_sk(sk);
-        struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
+        struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev, LLC_PDU_TYPE_U, 0);
 
         if (nskb) {
                 struct llc_sap *sap = llc->sap;
@@ -459,7 +462,7 @@ int llc_conn_ac_send_rej_cmd_p_set_1(struct sock *sk, struct sk_buff *skb)
 {
         int rc = -ENOBUFS;
         struct llc_sock *llc = llc_sk(sk);
-        struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
+        struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev, LLC_PDU_TYPE_S, 0);
 
         if (nskb) {
                 struct llc_sap *sap = llc->sap;
@@ -483,7 +486,7 @@ int llc_conn_ac_send_rej_rsp_f_set_1(struct sock *sk, struct sk_buff *skb)
 {
         int rc = -ENOBUFS;
         struct llc_sock *llc = llc_sk(sk);
-        struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
+        struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev, LLC_PDU_TYPE_S, 0);
 
         if (nskb) {
                 struct llc_sap *sap = llc->sap;
@@ -507,7 +510,7 @@ int llc_conn_ac_send_rej_xxx_x_set_0(struct sock *sk, struct sk_buff *skb)
 {
         int rc = -ENOBUFS;
         struct llc_sock *llc = llc_sk(sk);
-        struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
+        struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev, LLC_PDU_TYPE_S, 0);
 
         if (nskb) {
                 struct llc_sap *sap = llc->sap;
@@ -531,7 +534,7 @@ int llc_conn_ac_send_rnr_cmd_p_set_1(struct sock *sk, struct sk_buff *skb)
 {
         int rc = -ENOBUFS;
         struct llc_sock *llc = llc_sk(sk);
-        struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
+        struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev, LLC_PDU_TYPE_S, 0);
 
         if (nskb) {
                 struct llc_sap *sap = llc->sap;
@@ -555,7 +558,7 @@ int llc_conn_ac_send_rnr_rsp_f_set_1(struct sock *sk, struct sk_buff *skb)
 {
         int rc = -ENOBUFS;
         struct llc_sock *llc = llc_sk(sk);
-        struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
+        struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev, LLC_PDU_TYPE_S, 0);
 
         if (nskb) {
                 struct llc_sap *sap = llc->sap;
@@ -579,7 +582,7 @@ int llc_conn_ac_send_rnr_xxx_x_set_0(struct sock *sk, struct sk_buff *skb)
 {
         int rc = -ENOBUFS;
         struct llc_sock *llc = llc_sk(sk);
-        struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
+        struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev, LLC_PDU_TYPE_S, 0);
 
         if (nskb) {
                 struct llc_sap *sap = llc->sap;
@@ -615,7 +618,7 @@ int llc_conn_ac_opt_send_rnr_xxx_x_set_0(struct sock *sk, struct sk_buff *skb)
 {
         int rc = -ENOBUFS;
         struct llc_sock *llc = llc_sk(sk);
-        struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
+        struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev, LLC_PDU_TYPE_S, 0);
 
         if (nskb) {
                 struct llc_sap *sap = llc->sap;
@@ -639,7 +642,7 @@ int llc_conn_ac_send_rr_cmd_p_set_1(struct sock *sk, struct sk_buff *skb)
 {
         int rc = -ENOBUFS;
         struct llc_sock *llc = llc_sk(sk);
-        struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
+        struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev, LLC_PDU_TYPE_S, 0);
 
         if (nskb) {
                 struct llc_sap *sap = llc->sap;
@@ -663,7 +666,7 @@ int llc_conn_ac_send_rr_rsp_f_set_1(struct sock *sk, struct sk_buff *skb)
 {
         int rc = -ENOBUFS;
         struct llc_sock *llc = llc_sk(sk);
-        struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
+        struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev, LLC_PDU_TYPE_S, 0);
 
         if (nskb) {
                 struct llc_sap *sap = llc->sap;
@@ -688,7 +691,7 @@ int llc_conn_ac_send_ack_rsp_f_set_1(struct sock *sk, struct sk_buff *skb)
 {
         int rc = -ENOBUFS;
         struct llc_sock *llc = llc_sk(sk);
-        struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
+        struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev, LLC_PDU_TYPE_S, 0);
 
         if (nskb) {
                 struct llc_sap *sap = llc->sap;
@@ -712,7 +715,7 @@ int llc_conn_ac_send_rr_xxx_x_set_0(struct sock *sk, struct sk_buff *skb)
 {
         int rc = -ENOBUFS;
         struct llc_sock *llc = llc_sk(sk);
-        struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
+        struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev, LLC_PDU_TYPE_S, 0);
 
         if (nskb) {
                 struct llc_sap *sap = llc->sap;
@@ -736,7 +739,7 @@ int llc_conn_ac_send_ack_xxx_x_set_0(struct sock *sk, struct sk_buff *skb)
 {
         int rc = -ENOBUFS;
         struct llc_sock *llc = llc_sk(sk);
-        struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
+        struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev, LLC_PDU_TYPE_S, 0);
 
         if (nskb) {
                 struct llc_sap *sap = llc->sap;
@@ -770,7 +773,7 @@ int llc_conn_ac_send_sabme_cmd_p_set_x(struct sock *sk, struct sk_buff *skb)
 {
         int rc = -ENOBUFS;
         struct llc_sock *llc = llc_sk(sk);
-        struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
+        struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev, LLC_PDU_TYPE_U, 0);
 
         if (nskb) {
                 struct llc_sap *sap = llc->sap;
@@ -799,7 +802,7 @@ int llc_conn_ac_send_ua_rsp_f_set_p(struct sock *sk, struct sk_buff *skb)
         u8 f_bit;
         int rc = -ENOBUFS;
         struct llc_sock *llc = llc_sk(sk);
-        struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
+        struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev, LLC_PDU_TYPE_U, 0);
 
         llc_pdu_decode_pf_bit(skb, &f_bit);
         if (nskb) {
@@ -956,7 +959,7 @@ static int llc_conn_ac_send_rr_rsp_f_set_ackpf(struct sock *sk,
 {
         int rc = -ENOBUFS;
         struct llc_sock *llc = llc_sk(sk);
-        struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
+        struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev, LLC_PDU_TYPE_S, 0);
 
         if (nskb) {
                 struct llc_sap *sap = llc->sap;
diff --git a/net/llc/llc_core.c b/net/llc/llc_core.c
index 248b5903bb13..50d5b10e23a2 100644
--- a/net/llc/llc_core.c
+++ b/net/llc/llc_core.c
@@ -25,8 +25,6 @@
 LIST_HEAD(llc_sap_list);
 DEFINE_RWLOCK(llc_sap_list_lock);
 
-unsigned char llc_station_mac_sa[ETH_ALEN];
-
 /**
  *      llc_sap_alloc - allocates and initializes sap.
  *
@@ -37,8 +35,8 @@ static struct llc_sap *llc_sap_alloc(void)
         struct llc_sap *sap = kzalloc(sizeof(*sap), GFP_ATOMIC);
 
         if (sap) {
+                /* sap->laddr.mac - leave as a null, it's filled by bind */
                 sap->state = LLC_SAP_STATE_ACTIVE;
-                memcpy(sap->laddr.mac, llc_station_mac_sa, ETH_ALEN);
                 rwlock_init(&sap->sk_list.lock);
                 atomic_set(&sap->refcnt, 1);
         }
@@ -167,10 +165,6 @@ static int __init llc_init(void)
         if (dev != NULL)
                 dev = next_net_device(dev);
 
-        if (dev != NULL)
-                memcpy(llc_station_mac_sa, dev->dev_addr, ETH_ALEN);
-        else
-                memset(llc_station_mac_sa, 0, ETH_ALEN);
         dev_add_pack(&llc_packet_type);
         dev_add_pack(&llc_tr_packet_type);
         return 0;
@@ -185,7 +179,6 @@ static void __exit llc_exit(void)
 module_init(llc_init);
 module_exit(llc_exit);
 
-EXPORT_SYMBOL(llc_station_mac_sa);
 EXPORT_SYMBOL(llc_sap_list);
 EXPORT_SYMBOL(llc_sap_list_lock);
 EXPORT_SYMBOL(llc_sap_find);
diff --git a/net/llc/llc_input.c b/net/llc/llc_input.c
index a69c5c427fe3..1c45f172991e 100644
--- a/net/llc/llc_input.c
+++ b/net/llc/llc_input.c
@@ -117,8 +117,12 @@ static inline int llc_fixup_skb(struct sk_buff *skb)
         skb_pull(skb, llc_len);
         if (skb->protocol == htons(ETH_P_802_2)) {
                 __be16 pdulen = eth_hdr(skb)->h_proto;
-                u16 data_size = ntohs(pdulen) - llc_len;
+                s32 data_size = ntohs(pdulen) - llc_len;
 
+                if (data_size < 0 ||
+                    ((skb_tail_pointer(skb) -
+                      (u8 *)pdu) - llc_len) < data_size)
+                        return 0;
                 if (unlikely(pskb_trim_rcsum(skb, data_size)))
                         return 0;
         }
diff --git a/net/llc/llc_pdu.c b/net/llc/llc_pdu.c
index fa8324396db3..2e6cb79196bb 100644
--- a/net/llc/llc_pdu.c
+++ b/net/llc/llc_pdu.c
@@ -241,7 +241,7 @@ void llc_pdu_init_as_frmr_rsp(struct sk_buff *skb, struct llc_pdu_sn *prev_pdu,
         FRMR_INFO_SET_PDU_INFO_2LONG_IND(frmr_info, vzyxw);
         FRMR_INFO_SET_PDU_INVALID_Nr_IND(frmr_info, vzyxw);
         FRMR_INFO_SET_PDU_INVALID_Ns_IND(frmr_info, vzyxw);
-        skb_put(skb, 5);
+        skb_put(skb, sizeof(struct llc_frmr_info));
 }
 
 /**
diff --git a/net/llc/llc_s_ac.c b/net/llc/llc_s_ac.c
index ac3d93b210d2..a94bd56bcac6 100644
--- a/net/llc/llc_s_ac.c
+++ b/net/llc/llc_s_ac.c
@@ -103,7 +103,8 @@ int llc_sap_action_send_xid_r(struct llc_sap *sap, struct sk_buff *skb)
         llc_pdu_decode_sa(skb, mac_da);
         llc_pdu_decode_da(skb, mac_sa);
         llc_pdu_decode_ssap(skb, &dsap);
-        nskb = llc_alloc_frame(NULL, skb->dev);
+        nskb = llc_alloc_frame(NULL, skb->dev, LLC_PDU_TYPE_U,
+                               sizeof(struct llc_xid_info));
         if (!nskb)
                 goto out;
         llc_pdu_header_init(nskb, LLC_PDU_TYPE_U, sap->laddr.lsap, dsap,
@@ -144,11 +145,15 @@ int llc_sap_action_send_test_r(struct llc_sap *sap, struct sk_buff *skb)
         u8 mac_da[ETH_ALEN], mac_sa[ETH_ALEN], dsap;
         struct sk_buff *nskb;
         int rc = 1;
+        u32 data_size;
 
         llc_pdu_decode_sa(skb, mac_da);
         llc_pdu_decode_da(skb, mac_sa);
         llc_pdu_decode_ssap(skb, &dsap);
-        nskb = llc_alloc_frame(NULL, skb->dev);
+
+        /* The test request command is type U (llc_len = 3) */
+        data_size = ntohs(eth_hdr(skb)->h_proto) - 3;
+        nskb = llc_alloc_frame(NULL, skb->dev, LLC_PDU_TYPE_U, data_size);
         if (!nskb)
                 goto out;
         llc_pdu_header_init(nskb, LLC_PDU_TYPE_U, sap->laddr.lsap, dsap,
diff --git a/net/llc/llc_sap.c b/net/llc/llc_sap.c
index 2525165e2e8f..e2ddde755019 100644
--- a/net/llc/llc_sap.c
+++ b/net/llc/llc_sap.c
@@ -24,20 +24,41 @@
 #include <net/tcp_states.h>
 #include <linux/llc.h>
 
+static int llc_mac_header_len(unsigned short devtype)
+{
+        switch (devtype) {
+        case ARPHRD_ETHER:
+        case ARPHRD_LOOPBACK:
+                return sizeof(struct ethhdr);
+#ifdef CONFIG_TR
+        case ARPHRD_IEEE802_TR:
+                return sizeof(struct trh_hdr);
+#endif
+        }
+        return 0;
+}
+
 /**
  *      llc_alloc_frame - allocates sk_buff for frame
  *      @dev: network device this skb will be sent over
+ *      @type: pdu type to allocate
+ *      @data_size: data size to allocate
  *
  *      Allocates an sk_buff for frame and initializes sk_buff fields.
  *      Returns allocated skb or %NULL when out of memory.
  */
-struct sk_buff *llc_alloc_frame(struct sock *sk, struct net_device *dev)
+struct sk_buff *llc_alloc_frame(struct sock *sk, struct net_device *dev,
+                                u8 type, u32 data_size)
 {
-        struct sk_buff *skb = alloc_skb(128, GFP_ATOMIC);
+        int hlen = type == LLC_PDU_TYPE_U ? 3 : 4;
+        struct sk_buff *skb;
+
+        hlen += llc_mac_header_len(dev->type);
+        skb = alloc_skb(hlen + data_size, GFP_ATOMIC);
 
         if (skb) {
                 skb_reset_mac_header(skb);
-                skb_reserve(skb, 50);
+                skb_reserve(skb, hlen);
                 skb_reset_network_header(skb);
                 skb_reset_transport_header(skb);
                 skb->protocol = htons(ETH_P_802_2);
diff --git a/net/llc/llc_station.c b/net/llc/llc_station.c
index 6f2ea2090322..83da13339490 100644
--- a/net/llc/llc_station.c
+++ b/net/llc/llc_station.c
@@ -253,13 +253,14 @@ static int llc_station_ac_inc_xid_r_cnt_by_1(struct sk_buff *skb)
 static int llc_station_ac_send_null_dsap_xid_c(struct sk_buff *skb)
 {
         int rc = 1;
-        struct sk_buff *nskb = llc_alloc_frame(NULL, skb->dev);
+        struct sk_buff *nskb = llc_alloc_frame(NULL, skb->dev, LLC_PDU_TYPE_U,
+                                               sizeof(struct llc_xid_info));
 
         if (!nskb)
                 goto out;
         llc_pdu_header_init(nskb, LLC_PDU_TYPE_U, 0, 0, LLC_PDU_CMD);
         llc_pdu_init_as_xid_cmd(nskb, LLC_XID_NULL_CLASS_2, 127);
-        rc = llc_mac_hdr_init(nskb, llc_station_mac_sa, llc_station_mac_sa);
+        rc = llc_mac_hdr_init(nskb, skb->dev->dev_addr, skb->dev->dev_addr);
         if (unlikely(rc))
                 goto free;
         llc_station_send_pdu(nskb);
@@ -274,7 +275,8 @@ static int llc_station_ac_send_xid_r(struct sk_buff *skb)
 {
         u8 mac_da[ETH_ALEN], dsap;
         int rc = 1;
-        struct sk_buff* nskb = llc_alloc_frame(NULL, skb->dev);
+        struct sk_buff *nskb = llc_alloc_frame(NULL, skb->dev, LLC_PDU_TYPE_U,
+                                               sizeof(struct llc_xid_info));
 
         if (!nskb)
                 goto out;
@@ -283,7 +285,7 @@ static int llc_station_ac_send_xid_r(struct sk_buff *skb)
         llc_pdu_decode_ssap(skb, &dsap);
         llc_pdu_header_init(nskb, LLC_PDU_TYPE_U, 0, dsap, LLC_PDU_RSP);
         llc_pdu_init_as_xid_rsp(nskb, LLC_XID_NULL_CLASS_2, 127);
-        rc = llc_mac_hdr_init(nskb, llc_station_mac_sa, mac_da);
+        rc = llc_mac_hdr_init(nskb, skb->dev->dev_addr, mac_da);
         if (unlikely(rc))
                 goto free;
         llc_station_send_pdu(nskb);
@@ -298,7 +300,12 @@ static int llc_station_ac_send_test_r(struct sk_buff *skb)
 {
         u8 mac_da[ETH_ALEN], dsap;
         int rc = 1;
-        struct sk_buff *nskb = llc_alloc_frame(NULL, skb->dev);
+        u32 data_size;
+        struct sk_buff *nskb;
+
+        /* The test request command is type U (llc_len = 3) */
+        data_size = ntohs(eth_hdr(skb)->h_proto) - 3;
+        nskb = llc_alloc_frame(NULL, skb->dev, LLC_PDU_TYPE_U, data_size);
 
         if (!nskb)
                 goto out;
@@ -307,7 +314,7 @@ static int llc_station_ac_send_test_r(struct sk_buff *skb)
         llc_pdu_decode_ssap(skb, &dsap);
         llc_pdu_header_init(nskb, LLC_PDU_TYPE_U, 0, dsap, LLC_PDU_RSP);
         llc_pdu_init_as_test_rsp(nskb, skb);
-        rc = llc_mac_hdr_init(nskb, llc_station_mac_sa, mac_da);
+        rc = llc_mac_hdr_init(nskb, skb->dev->dev_addr, mac_da);
         if (unlikely(rc))
                 goto free;
         llc_station_send_pdu(nskb);
diff --git a/net/mac80211/ieee80211.c b/net/mac80211/ieee80211.c
index 5ee431b6256c..aaa5480e204a 100644
--- a/net/mac80211/ieee80211.c
+++ b/net/mac80211/ieee80211.c
@@ -375,6 +375,18 @@ static int ieee80211_open(struct net_device *dev)
         if (need_hw_reconfig)
                 ieee80211_hw_config(local);
 
+        /*
+         * ieee80211_sta_work is disabled while network interface
+         * is down. Therefore, some configuration changes may not
+         * yet be effective. Trigger execution of ieee80211_sta_work
+         * to fix this.
+         */
+        if(sdata->vif.type == IEEE80211_IF_TYPE_STA ||
+           sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
+                struct ieee80211_if_sta *ifsta = &sdata->u.sta;
+                queue_work(local->hw.workqueue, &ifsta->work);
+        }
+
         netif_start_queue(dev);
 
         return 0;
diff --git a/net/mac80211/ieee80211_sta.c b/net/mac80211/ieee80211_sta.c
index 110eaf3ab58c..c20ef89acad6 100644
--- a/net/mac80211/ieee80211_sta.c
+++ b/net/mac80211/ieee80211_sta.c
@@ -360,7 +360,7 @@ static u32 ieee80211_handle_erp_ie(struct ieee80211_sub_if_data *sdata,
         struct ieee80211_bss_conf *bss_conf = &sdata->bss_conf;
         struct ieee80211_if_sta *ifsta = &sdata->u.sta;
         bool use_protection = (erp_value & WLAN_ERP_USE_PROTECTION) != 0;
-        bool preamble_mode = (erp_value & WLAN_ERP_BARKER_PREAMBLE) != 0;
+        bool use_short_preamble = (erp_value & WLAN_ERP_BARKER_PREAMBLE) == 0;
         DECLARE_MAC_BUF(mac);
         u32 changed = 0;
 
@@ -376,16 +376,15 @@ static u32 ieee80211_handle_erp_ie(struct ieee80211_sub_if_data *sdata,
                 changed |= BSS_CHANGED_ERP_CTS_PROT;
         }
 
-        if (preamble_mode != bss_conf->use_short_preamble) {
+        if (use_short_preamble != bss_conf->use_short_preamble) {
                 if (net_ratelimit()) {
                         printk(KERN_DEBUG "%s: switched to %s barker preamble"
                                " (BSSID=%s)\n",
                                sdata->dev->name,
-                               (preamble_mode == WLAN_ERP_PREAMBLE_SHORT) ?
-                                        "short" : "long",
+                               use_short_preamble ? "short" : "long",
                                print_mac(mac, ifsta->bssid));
                 }
-                bss_conf->use_short_preamble = preamble_mode;
+                bss_conf->use_short_preamble = use_short_preamble;
                 changed |= BSS_CHANGED_ERP_PREAMBLE;
         }
 
diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c
index 92d85c38e4d2..d1ff3f885c5d 100644
--- a/net/rose/af_rose.c
+++ b/net/rose/af_rose.c
@@ -598,17 +598,24 @@ static int rose_release(struct socket *sock)
 
         if (sk == NULL) return 0;
 
+        sock_hold(sk);
+        sock_orphan(sk);
+        lock_sock(sk);
         rose = rose_sk(sk);
 
         switch (rose->state) {
         case ROSE_STATE_0:
+                release_sock(sk);
                 rose_disconnect(sk, 0, -1, -1);
+                lock_sock(sk);
                 rose_destroy_socket(sk);
                 break;
 
         case ROSE_STATE_2:
                 rose->neighbour->use--;
+                release_sock(sk);
                 rose_disconnect(sk, 0, -1, -1);
+                lock_sock(sk);
                 rose_destroy_socket(sk);
                 break;
 
@@ -633,6 +640,8 @@ static int rose_release(struct socket *sock)
         }
 
         sock->sk = NULL;
+        release_sock(sk);
+        sock_put(sk);
 
         return 0;
 }
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index 10b5c0887fff..b741618e4d54 100644
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -184,10 +184,22 @@ static inline int qdisc_restart(struct net_device *dev)
 
 void __qdisc_run(struct net_device *dev)
 {
-        do {
-                if (!qdisc_restart(dev))
+        unsigned long start_time = jiffies;
+
+        while (qdisc_restart(dev)) {
+                if (netif_queue_stopped(dev))
+                        break;
+
+                /*
+                 * Postpone processing if
+                 * 1. another process needs the CPU;
+                 * 2. we've been doing it for too long.
+                 */
+                if (need_resched() || jiffies != start_time) {
+                        netif_schedule(dev);
                         break;
-        } while (!netif_queue_stopped(dev));
+                }
+        }
 
         clear_bit(__LINK_STATE_QDISC_RUNNING, &dev->state);
 }