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

Conflicts:
	include/net/tcp.h

16 files changed, 152 insertions, 128 deletions

diff --git a/net/Kconfig b/net/Kconfig
index ce77db4fcec8..c19f549c8e74 100644
--- a/net/Kconfig
+++ b/net/Kconfig
@@ -119,12 +119,6 @@ menuconfig NETFILTER
           <file:Documentation/Changes> under "iptables" for the location of
           these packages.
 
-          Make sure to say N to "Fast switching" below if you intend to say Y
-          here, as Fast switching currently bypasses netfilter.
-
-          Chances are that you should say Y here if you compile a kernel which
-          will run as a router and N for regular hosts. If unsure, say N.
-
 if NETFILTER
 
 config NETFILTER_DEBUG
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index 375f4b4f7f79..61309b26f271 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -248,6 +248,8 @@ struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst)
         if (hdev->notify)
                 hdev->notify(hdev, HCI_NOTIFY_CONN_ADD);
 
+        hci_conn_init_sysfs(conn);
+
         tasklet_enable(&hdev->tx_task);
 
         return conn;
diff --git a/net/bluetooth/hci_sysfs.c b/net/bluetooth/hci_sysfs.c
index b7c51082ddeb..a05d45eb3ba1 100644
--- a/net/bluetooth/hci_sysfs.c
+++ b/net/bluetooth/hci_sysfs.c
@@ -9,7 +9,7 @@
 struct class *bt_class = NULL;
 EXPORT_SYMBOL_GPL(bt_class);
 
-static struct workqueue_struct *bluetooth;
+static struct workqueue_struct *bt_workq;
 
 static inline char *link_typetostr(int type)
 {
@@ -88,9 +88,12 @@ static struct device_type bt_link = {
 static void add_conn(struct work_struct *work)
 {
         struct hci_conn *conn = container_of(work, struct hci_conn, work_add);
+        struct hci_dev *hdev = conn->hdev;
+
+        /* ensure previous del is complete */
+        flush_work(&conn->work_del);
 
-        /* ensure previous add/del is complete */
-        flush_workqueue(bluetooth);
+        dev_set_name(&conn->dev, "%s:%d", hdev->name, conn->handle);
 
         if (device_add(&conn->dev) < 0) {
                 BT_ERR("Failed to register connection device");
@@ -98,27 +101,6 @@ static void add_conn(struct work_struct *work)
         }
 }
 
-void hci_conn_add_sysfs(struct hci_conn *conn)
-{
-        struct hci_dev *hdev = conn->hdev;
-
-        BT_DBG("conn %p", conn);
-
-        conn->dev.type = &bt_link;
-        conn->dev.class = bt_class;
-        conn->dev.parent = &hdev->dev;
-
-        dev_set_name(&conn->dev, "%s:%d", hdev->name, conn->handle);
-
-        dev_set_drvdata(&conn->dev, conn);
-
-        device_initialize(&conn->dev);
-
-        INIT_WORK(&conn->work_add, add_conn);
-
-        queue_work(bluetooth, &conn->work_add);
-}
-
 /*
  * The rfcomm tty device will possibly retain even when conn
  * is down, and sysfs doesn't support move zombie device,
@@ -134,8 +116,11 @@ static void del_conn(struct work_struct *work)
         struct hci_conn *conn = container_of(work, struct hci_conn, work_del);
         struct hci_dev *hdev = conn->hdev;
 
-        /* ensure previous add/del is complete */
-        flush_workqueue(bluetooth);
+        /* ensure previous add is complete */
+        flush_work(&conn->work_add);
+
+        if (!device_is_registered(&conn->dev))
+                return;
 
         while (1) {
                 struct device *dev;
@@ -152,16 +137,36 @@ static void del_conn(struct work_struct *work)
         hci_dev_put(hdev);
 }
 
-void hci_conn_del_sysfs(struct hci_conn *conn)
+void hci_conn_init_sysfs(struct hci_conn *conn)
 {
+        struct hci_dev *hdev = conn->hdev;
+
         BT_DBG("conn %p", conn);
 
-        if (!device_is_registered(&conn->dev))
-                return;
+        conn->dev.type = &bt_link;
+        conn->dev.class = bt_class;
+        conn->dev.parent = &hdev->dev;
+
+        dev_set_drvdata(&conn->dev, conn);
+
+        device_initialize(&conn->dev);
 
+        INIT_WORK(&conn->work_add, add_conn);
         INIT_WORK(&conn->work_del, del_conn);
+}
+
+void hci_conn_add_sysfs(struct hci_conn *conn)
+{
+        BT_DBG("conn %p", conn);
+
+        queue_work(bt_workq, &conn->work_add);
+}
+
+void hci_conn_del_sysfs(struct hci_conn *conn)
+{
+        BT_DBG("conn %p", conn);
 
-        queue_work(bluetooth, &conn->work_del);
+        queue_work(bt_workq, &conn->work_del);
 }
 
 static inline char *host_typetostr(int type)
@@ -438,13 +443,13 @@ void hci_unregister_sysfs(struct hci_dev *hdev)
 
 int __init bt_sysfs_init(void)
 {
-        bluetooth = create_singlethread_workqueue("bluetooth");
-        if (!bluetooth)
+        bt_workq = create_singlethread_workqueue("bluetooth");
+        if (!bt_workq)
                 return -ENOMEM;
 
         bt_class = class_create(THIS_MODULE, "bluetooth");
         if (IS_ERR(bt_class)) {
-                destroy_workqueue(bluetooth);
+                destroy_workqueue(bt_workq);
                 return PTR_ERR(bt_class);
         }
 
@@ -453,7 +458,7 @@ int __init bt_sysfs_init(void)
 
 void bt_sysfs_cleanup(void)
 {
-        destroy_workqueue(bluetooth);
+        destroy_workqueue(bt_workq);
 
         class_destroy(bt_class);
 }
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index f091a5a845c1..d152394b2611 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -502,7 +502,9 @@ int skb_recycle_check(struct sk_buff *skb, int skb_size)
         shinfo->gso_segs = 0;
         shinfo->gso_type = 0;
         shinfo->ip6_frag_id = 0;
+        shinfo->tx_flags.flags = 0;
         shinfo->frag_list = NULL;
+        memset(&shinfo->hwtstamps, 0, sizeof(shinfo->hwtstamps));
 
         memset(skb, 0, offsetof(struct sk_buff, tail));
         skb->data = skb->head + NET_SKB_PAD;
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 56dcf97a97fb..eeb8a92aa416 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -597,16 +597,6 @@ static void tcp_event_data_recv(struct sock *sk, struct sk_buff *skb)
                 tcp_grow_window(sk, skb);
 }
 
-static u32 tcp_rto_min(struct sock *sk)
-{
-        struct dst_entry *dst = __sk_dst_get(sk);
-        u32 rto_min = TCP_RTO_MIN;
-
-        if (dst && dst_metric_locked(dst, RTAX_RTO_MIN))
-                rto_min = dst_metric_rtt(dst, RTAX_RTO_MIN);
-        return rto_min;
-}
-
 /* Called to compute a smoothed rtt estimate. The data fed to this
  * routine either comes from timestamps, or from segments that were
  * known _not_ to have been retransmitted [see Karn/Partridge
diff --git a/net/ipv6/netfilter/ip6t_ipv6header.c b/net/ipv6/netfilter/ip6t_ipv6header.c
index 14e6724d5672..91490ad9302c 100644
--- a/net/ipv6/netfilter/ip6t_ipv6header.c
+++ b/net/ipv6/netfilter/ip6t_ipv6header.c
@@ -50,14 +50,14 @@ ipv6header_mt6(const struct sk_buff *skb, const struct xt_match_param *par)
                 struct ipv6_opt_hdr _hdr;
                 int hdrlen;
 
-                /* Is there enough space for the next ext header? */
-                if (len < (int)sizeof(struct ipv6_opt_hdr))
-                        return false;
                 /* No more exthdr -> evaluate */
                 if (nexthdr == NEXTHDR_NONE) {
                         temp |= MASK_NONE;
                         break;
                 }
+                /* Is there enough space for the next ext header? */
+                if (len < (int)sizeof(struct ipv6_opt_hdr))
+                        return false;
                 /* ESP -> evaluate */
                 if (nexthdr == NEXTHDR_ESP) {
                         temp |= MASK_ESP;
diff --git a/net/mac80211/rc80211_minstrel.c b/net/mac80211/rc80211_minstrel.c
index 3824990d340b..70df3dcc3cf6 100644
--- a/net/mac80211/rc80211_minstrel.c
+++ b/net/mac80211/rc80211_minstrel.c
@@ -476,7 +476,7 @@ minstrel_alloc_sta(void *priv, struct ieee80211_sta *sta, gfp_t gfp)
                 return NULL;
 
         for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
-                sband = hw->wiphy->bands[hw->conf.channel->band];
+                sband = hw->wiphy->bands[i];
                 if (sband->n_bitrates > max_rates)
                         max_rates = sband->n_bitrates;
         }
diff --git a/net/mac80211/rc80211_pid_algo.c b/net/mac80211/rc80211_pid_algo.c
index b16801cde06f..01d59a8e334c 100644
--- a/net/mac80211/rc80211_pid_algo.c
+++ b/net/mac80211/rc80211_pid_algo.c
@@ -317,13 +317,44 @@ rate_control_pid_rate_init(void *priv, struct ieee80211_supported_band *sband,
                            struct ieee80211_sta *sta, void *priv_sta)
 {
         struct rc_pid_sta_info *spinfo = priv_sta;
+        struct rc_pid_info *pinfo = priv;
+        struct rc_pid_rateinfo *rinfo = pinfo->rinfo;
         struct sta_info *si;
+        int i, j, tmp;
+        bool s;
 
         /* TODO: This routine should consider using RSSI from previous packets
          * as we need to have IEEE 802.1X auth succeed immediately after assoc..
          * Until that method is implemented, we will use the lowest supported
          * rate as a workaround. */
 
+        /* Sort the rates. This is optimized for the most common case (i.e.
+         * almost-sorted CCK+OFDM rates). Kind of bubble-sort with reversed
+         * mapping too. */
+        for (i = 0; i < sband->n_bitrates; i++) {
+                rinfo[i].index = i;
+                rinfo[i].rev_index = i;
+                if (RC_PID_FAST_START)
+                        rinfo[i].diff = 0;
+                else
+                        rinfo[i].diff = i * pinfo->norm_offset;
+        }
+        for (i = 1; i < sband->n_bitrates; i++) {
+                s = 0;
+                for (j = 0; j < sband->n_bitrates - i; j++)
+                        if (unlikely(sband->bitrates[rinfo[j].index].bitrate >
+                                     sband->bitrates[rinfo[j + 1].index].bitrate)) {
+                                tmp = rinfo[j].index;
+                                rinfo[j].index = rinfo[j + 1].index;
+                                rinfo[j + 1].index = tmp;
+                                rinfo[rinfo[j].index].rev_index = j;
+                                rinfo[rinfo[j + 1].index].rev_index = j + 1;
+                                s = 1;
+                        }
+                if (!s)
+                        break;
+        }
+
         spinfo->txrate_idx = rate_lowest_index(sband, sta);
         /* HACK */
         si = container_of(sta, struct sta_info, sta);
@@ -336,21 +367,22 @@ static void *rate_control_pid_alloc(struct ieee80211_hw *hw,
         struct rc_pid_info *pinfo;
         struct rc_pid_rateinfo *rinfo;
         struct ieee80211_supported_band *sband;
-        int i, j, tmp;
-        bool s;
+        int i, max_rates = 0;
 #ifdef CONFIG_MAC80211_DEBUGFS
         struct rc_pid_debugfs_entries *de;
 #endif
 
-        sband = hw->wiphy->bands[hw->conf.channel->band];
-
         pinfo = kmalloc(sizeof(*pinfo), GFP_ATOMIC);
         if (!pinfo)
                 return NULL;
 
-        /* We can safely assume that sband won't change unless we get
-         * reinitialized. */
-        rinfo = kmalloc(sizeof(*rinfo) * sband->n_bitrates, GFP_ATOMIC);
+        for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
+                sband = hw->wiphy->bands[i];
+                if (sband->n_bitrates > max_rates)
+                        max_rates = sband->n_bitrates;
+        }
+
+        rinfo = kmalloc(sizeof(*rinfo) * max_rates, GFP_ATOMIC);
         if (!rinfo) {
                 kfree(pinfo);
                 return NULL;
@@ -368,33 +400,6 @@ static void *rate_control_pid_alloc(struct ieee80211_hw *hw,
         pinfo->rinfo = rinfo;
         pinfo->oldrate = 0;
 
-        /* Sort the rates. This is optimized for the most common case (i.e.
-         * almost-sorted CCK+OFDM rates). Kind of bubble-sort with reversed
-         * mapping too. */
-        for (i = 0; i < sband->n_bitrates; i++) {
-                rinfo[i].index = i;
-                rinfo[i].rev_index = i;
-                if (RC_PID_FAST_START)
-                        rinfo[i].diff = 0;
-                else
-                        rinfo[i].diff = i * pinfo->norm_offset;
-        }
-        for (i = 1; i < sband->n_bitrates; i++) {
-                s = 0;
-                for (j = 0; j < sband->n_bitrates - i; j++)
-                        if (unlikely(sband->bitrates[rinfo[j].index].bitrate >
-                                     sband->bitrates[rinfo[j + 1].index].bitrate)) {
-                                tmp = rinfo[j].index;
-                                rinfo[j].index = rinfo[j + 1].index;
-                                rinfo[j + 1].index = tmp;
-                                rinfo[rinfo[j].index].rev_index = j;
-                                rinfo[rinfo[j + 1].index].rev_index = j + 1;
-                                s = 1;
-                        }
-                if (!s)
-                        break;
-        }
-
 #ifdef CONFIG_MAC80211_DEBUGFS
         de = &pinfo->dentries;
         de->target = debugfs_create_u32("target_pf", S_IRUSR | S_IWUSR,
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 1865622003c9..e5b148fe24bb 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -787,7 +787,7 @@ ieee80211_tx_h_fragment(struct ieee80211_tx_data *tx)
         hdrlen = ieee80211_hdrlen(hdr->frame_control);
 
         /* internal error, why is TX_FRAGMENTED set? */
-        if (WARN_ON(skb->len <= frag_threshold))
+        if (WARN_ON(skb->len + FCS_LEN <= frag_threshold))
                 return TX_DROP;
 
         /*
diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index f13fc57e1ecb..c523f0b8cee5 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -1186,28 +1186,6 @@ ctnetlink_change_conntrack(struct nf_conn *ct, struct nlattr *cda[])
         return 0;
 }
 
-static inline void
-ctnetlink_event_report(struct nf_conn *ct, u32 pid, int report)
-{
-        unsigned int events = 0;
-
-        if (test_bit(IPS_EXPECTED_BIT, &ct->status))
-                events |= IPCT_RELATED;
-        else
-                events |= IPCT_NEW;
-
-        nf_conntrack_event_report(IPCT_STATUS |
-                                  IPCT_HELPER |
-                                  IPCT_REFRESH |
-                                  IPCT_PROTOINFO |
-                                  IPCT_NATSEQADJ |
-                                  IPCT_MARK |
-                                  events,
-                                  ct,
-                                  pid,
-                                  report);
-}
-
 static struct nf_conn *
 ctnetlink_create_conntrack(struct nlattr *cda[],
                            struct nf_conntrack_tuple *otuple,
@@ -1373,6 +1351,7 @@ ctnetlink_new_conntrack(struct sock *ctnl, struct sk_buff *skb,
                 err = -ENOENT;
                 if (nlh->nlmsg_flags & NLM_F_CREATE) {
                         struct nf_conn *ct;
+                        enum ip_conntrack_events events;
 
                         ct = ctnetlink_create_conntrack(cda, &otuple,
                                                         &rtuple, u3);
@@ -1383,9 +1362,18 @@ ctnetlink_new_conntrack(struct sock *ctnl, struct sk_buff *skb,
                         err = 0;
                         nf_conntrack_get(&ct->ct_general);
                         spin_unlock_bh(&nf_conntrack_lock);
-                        ctnetlink_event_report(ct,
-                                               NETLINK_CB(skb).pid,
-                                               nlmsg_report(nlh));
+                        if (test_bit(IPS_EXPECTED_BIT, &ct->status))
+                                events = IPCT_RELATED;
+                        else
+                                events = IPCT_NEW;
+
+                        nf_conntrack_event_report(IPCT_STATUS |
+                                                  IPCT_HELPER |
+                                                  IPCT_PROTOINFO |
+                                                  IPCT_NATSEQADJ |
+                                                  IPCT_MARK | events,
+                                                  ct, NETLINK_CB(skb).pid,
+                                                  nlmsg_report(nlh));
                         nf_ct_put(ct);
                 } else
                         spin_unlock_bh(&nf_conntrack_lock);
@@ -1404,9 +1392,13 @@ ctnetlink_new_conntrack(struct sock *ctnl, struct sk_buff *skb,
                 if (err == 0) {
                         nf_conntrack_get(&ct->ct_general);
                         spin_unlock_bh(&nf_conntrack_lock);
-                        ctnetlink_event_report(ct,
-                                               NETLINK_CB(skb).pid,
-                                               nlmsg_report(nlh));
+                        nf_conntrack_event_report(IPCT_STATUS |
+                                                  IPCT_HELPER |
+                                                  IPCT_PROTOINFO |
+                                                  IPCT_NATSEQADJ |
+                                                  IPCT_MARK,
+                                                  ct, NETLINK_CB(skb).pid,
+                                                  nlmsg_report(nlh));
                         nf_ct_put(ct);
                 } else
                         spin_unlock_bh(&nf_conntrack_lock);
diff --git a/net/netfilter/xt_cluster.c b/net/netfilter/xt_cluster.c
index 6c4847662b85..69a639f35403 100644
--- a/net/netfilter/xt_cluster.c
+++ b/net/netfilter/xt_cluster.c
@@ -135,7 +135,13 @@ static bool xt_cluster_mt_checkentry(const struct xt_mtchk_param *par)
 {
         struct xt_cluster_match_info *info = par->matchinfo;
 
-        if (info->node_mask >= (1 << info->total_nodes)) {
+        if (info->total_nodes > XT_CLUSTER_NODES_MAX) {
+                printk(KERN_ERR "xt_cluster: you have exceeded the maximum "
+                                "number of cluster nodes (%u > %u)\n",
+                                info->total_nodes, XT_CLUSTER_NODES_MAX);
+                return false;
+        }
+        if (info->node_mask >= (1ULL << info->total_nodes)) {
                 printk(KERN_ERR "xt_cluster: this node mask cannot be "
                                 "higher than the total number of nodes\n");
                 return false;
diff --git a/net/sched/sch_fifo.c b/net/sched/sch_fifo.c
index 92cfc9d7e3b9..69188e8358b4 100644
--- a/net/sched/sch_fifo.c
+++ b/net/sched/sch_fifo.c
@@ -51,7 +51,7 @@ static int fifo_init(struct Qdisc *sch, struct nlattr *opt)
                 u32 limit = qdisc_dev(sch)->tx_queue_len ? : 1;
 
                 if (sch->ops == &bfifo_qdisc_ops)
-                        limit *= qdisc_dev(sch)->mtu;
+                        limit *= psched_mtu(qdisc_dev(sch));
 
                 q->limit = limit;
         } else {
diff --git a/net/wimax/op-msg.c b/net/wimax/op-msg.c
index 5d149c1b5f0d..9ad4d893a566 100644
--- a/net/wimax/op-msg.c
+++ b/net/wimax/op-msg.c
@@ -149,7 +149,8 @@ struct sk_buff *wimax_msg_alloc(struct wimax_dev *wimax_dev,
         }
         result = nla_put(skb, WIMAX_GNL_MSG_DATA, size, msg);
         if (result < 0) {
-                dev_err(dev, "no memory to add payload in attribute\n");
+                dev_err(dev, "no memory to add payload (msg %p size %zu) in "
+                        "attribute: %d\n", msg, size, result);
                 goto error_nla_put;
         }
         genlmsg_end(skb, genl_msg);
@@ -299,10 +300,10 @@ int wimax_msg(struct wimax_dev *wimax_dev, const char *pipe_name,
         struct sk_buff *skb;
 
         skb = wimax_msg_alloc(wimax_dev, pipe_name, buf, size, gfp_flags);
-        if (skb == NULL)
-                goto error_msg_new;
-        result = wimax_msg_send(wimax_dev, skb);
-error_msg_new:
+        if (IS_ERR(skb))
+                result = PTR_ERR(skb);
+        else
+                result = wimax_msg_send(wimax_dev, skb);
         return result;
 }
 EXPORT_SYMBOL_GPL(wimax_msg);
diff --git a/net/wimax/stack.c b/net/wimax/stack.c
index a0ee76b52510..933e1422b09f 100644
--- a/net/wimax/stack.c
+++ b/net/wimax/stack.c
@@ -338,8 +338,21 @@ out:
  */
 void wimax_state_change(struct wimax_dev *wimax_dev, enum wimax_st new_state)
 {
+        /*
+         * A driver cannot take the wimax_dev out of the
+         * __WIMAX_ST_NULL state unless by calling wimax_dev_add(). If
+         * the wimax_dev's state is still NULL, we ignore any request
+         * to change its state because it means it hasn't been yet
+         * registered.
+         *
+         * There is no need to complain about it, as routines that
+         * call this might be shared from different code paths that
+         * are called before or after wimax_dev_add() has done its
+         * job.
+         */
         mutex_lock(&wimax_dev->mutex);
-        __wimax_state_change(wimax_dev, new_state);
+        if (wimax_dev->state > __WIMAX_ST_NULL)
+                __wimax_state_change(wimax_dev, new_state);
         mutex_unlock(&wimax_dev->mutex);
         return;
 }
@@ -376,7 +389,7 @@ EXPORT_SYMBOL_GPL(wimax_state_get);
 void wimax_dev_init(struct wimax_dev *wimax_dev)
 {
         INIT_LIST_HEAD(&wimax_dev->id_table_node);
-        __wimax_state_set(wimax_dev, WIMAX_ST_UNINITIALIZED);
+        __wimax_state_set(wimax_dev, __WIMAX_ST_NULL);
         mutex_init(&wimax_dev->mutex);
         mutex_init(&wimax_dev->mutex_reset);
 }
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index f38cc39fa79e..139d13fdc94f 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -906,6 +906,7 @@ EXPORT_SYMBOL(freq_reg_info);
 int freq_reg_info(struct wiphy *wiphy, u32 center_freq, u32 *bandwidth,
                          const struct ieee80211_reg_rule **reg_rule)
 {
+        assert_cfg80211_lock();
         return freq_reg_info_regd(wiphy, center_freq,
                 bandwidth, reg_rule, NULL);
 }
@@ -1134,7 +1135,8 @@ static bool reg_is_world_roaming(struct wiphy *wiphy)
         if (is_world_regdom(cfg80211_regdomain->alpha2) ||
             (wiphy->regd && is_world_regdom(wiphy->regd->alpha2)))
                 return true;
-        if (last_request->initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE &&
+        if (last_request &&
+            last_request->initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE &&
             wiphy->custom_regulatory)
                 return true;
         return false;
@@ -1143,6 +1145,12 @@ static bool reg_is_world_roaming(struct wiphy *wiphy)
 /* Reap the advantages of previously found beacons */
 static void reg_process_beacons(struct wiphy *wiphy)
 {
+        /*
+         * Means we are just firing up cfg80211, so no beacons would
+         * have been processed yet.
+         */
+        if (!last_request)
+                return;
         if (!reg_is_world_roaming(wiphy))
                 return;
         wiphy_update_beacon_reg(wiphy);
@@ -1177,6 +1185,8 @@ static void handle_channel_custom(struct wiphy *wiphy,
         struct ieee80211_supported_band *sband;
         struct ieee80211_channel *chan;
 
+        assert_cfg80211_lock();
+
         sband = wiphy->bands[band];
         BUG_ON(chan_idx >= sband->n_channels);
         chan = &sband->channels[chan_idx];
@@ -1215,10 +1225,13 @@ void wiphy_apply_custom_regulatory(struct wiphy *wiphy,
                                    const struct ieee80211_regdomain *regd)
 {
         enum ieee80211_band band;
+
+        mutex_lock(&cfg80211_mutex);
         for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
                 if (wiphy->bands[band])
                         handle_band_custom(wiphy, band, regd);
         }
+        mutex_unlock(&cfg80211_mutex);
 }
 EXPORT_SYMBOL(wiphy_apply_custom_regulatory);
 
@@ -1424,7 +1437,7 @@ new_request:
         return call_crda(last_request->alpha2);
 }
 
-/* This currently only processes user and driver regulatory hints */
+/* This processes *all* regulatory hints */
 static void reg_process_hint(struct regulatory_request *reg_request)
 {
         int r = 0;
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index 723aeb3d9462..dfb53d19fd77 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -395,6 +395,7 @@ cfg80211_bss_update(struct cfg80211_registered_device *dev,
                                         memcpy(ies, res->pub.information_elements, ielen);
                                         found->ies_allocated = true;
                                         found->pub.information_elements = ies;
+                                        found->pub.len_information_elements = ielen;
                                 }
                         }
                 }