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-rw-r--r--net/8021q/vlan_dev.c3
-rw-r--r--net/ax25/ax25_uid.c12
-rw-r--r--net/bluetooth/hci_event.c38
-rw-r--r--net/bluetooth/rfcomm/core.c2
-rw-r--r--net/can/af_can.c4
-rw-r--r--net/core/dev.c9
-rw-r--r--net/ipv4/tcp.c6
-rw-r--r--net/ipv4/tcp_output.c2
-rw-r--r--net/mac80211/Kconfig7
-rw-r--r--net/mac80211/main.c2
-rw-r--r--net/mac80211/mlme.c38
-rw-r--r--net/mac80211/rx.c13
-rw-r--r--net/mac80211/wext.c43
-rw-r--r--net/netfilter/nf_conntrack_netlink.c10
-rw-r--r--net/netfilter/nfnetlink.c2
-rw-r--r--net/sched/sch_netem.c8
-rw-r--r--net/wireless/core.h2
-rw-r--r--net/wireless/nl80211.c4
-rw-r--r--net/wireless/reg.c5
-rw-r--r--net/wireless/scan.c40
20 files changed, 181 insertions, 69 deletions
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index 1b34135..6b09213 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -668,7 +668,8 @@ static int vlan_ethtool_get_settings(struct net_device *dev,
const struct vlan_dev_info *vlan = vlan_dev_info(dev);
struct net_device *real_dev = vlan->real_dev;
- if (!real_dev->ethtool_ops->get_settings)
+ if (!real_dev->ethtool_ops ||
+ !real_dev->ethtool_ops->get_settings)
return -EOPNOTSUPP;
return real_dev->ethtool_ops->get_settings(real_dev, cmd);
diff --git a/net/ax25/ax25_uid.c b/net/ax25/ax25_uid.c
index 57aeba7..832bcf0 100644
--- a/net/ax25/ax25_uid.c
+++ b/net/ax25/ax25_uid.c
@@ -148,9 +148,13 @@ static void *ax25_uid_seq_start(struct seq_file *seq, loff_t *pos)
{
struct ax25_uid_assoc *pt;
struct hlist_node *node;
- int i = 0;
+ int i = 1;
read_lock(&ax25_uid_lock);
+
+ if (*pos == 0)
+ return SEQ_START_TOKEN;
+
ax25_uid_for_each(pt, node, &ax25_uid_list) {
if (i == *pos)
return pt;
@@ -162,8 +166,10 @@ static void *ax25_uid_seq_start(struct seq_file *seq, loff_t *pos)
static void *ax25_uid_seq_next(struct seq_file *seq, void *v, loff_t *pos)
{
++*pos;
-
- return hlist_entry(((ax25_uid_assoc *)v)->uid_node.next,
+ if (v == SEQ_START_TOKEN)
+ return ax25_uid_list.first;
+ else
+ return hlist_entry(((ax25_uid_assoc *)v)->uid_node.next,
ax25_uid_assoc, uid_node);
}
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 5553424..15f40ea 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -866,8 +866,16 @@ static inline void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *s
hci_dev_lock(hdev);
conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
- if (!conn)
- goto unlock;
+ if (!conn) {
+ if (ev->link_type != SCO_LINK)
+ goto unlock;
+
+ conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
+ if (!conn)
+ goto unlock;
+
+ conn->type = SCO_LINK;
+ }
if (!ev->status) {
conn->handle = __le16_to_cpu(ev->handle);
@@ -1646,20 +1654,28 @@ static inline void hci_sync_conn_complete_evt(struct hci_dev *hdev, struct sk_bu
conn->type = SCO_LINK;
}
- if (conn->out && ev->status == 0x1c && conn->attempt < 2) {
- conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) |
- (hdev->esco_type & EDR_ESCO_MASK);
- hci_setup_sync(conn, conn->link->handle);
- goto unlock;
- }
-
- if (!ev->status) {
+ switch (ev->status) {
+ case 0x00:
conn->handle = __le16_to_cpu(ev->handle);
conn->state = BT_CONNECTED;
hci_conn_add_sysfs(conn);
- } else
+ break;
+
+ case 0x1c: /* SCO interval rejected */
+ case 0x1f: /* Unspecified error */
+ if (conn->out && conn->attempt < 2) {
+ conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) |
+ (hdev->esco_type & EDR_ESCO_MASK);
+ hci_setup_sync(conn, conn->link->handle);
+ goto unlock;
+ }
+ /* fall through */
+
+ default:
conn->state = BT_CLOSED;
+ break;
+ }
hci_proto_connect_cfm(conn, ev->status);
if (ev->status)
diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c
index 1d0fb0f..374536e 100644
--- a/net/bluetooth/rfcomm/core.c
+++ b/net/bluetooth/rfcomm/core.c
@@ -1194,6 +1194,8 @@ void rfcomm_dlc_accept(struct rfcomm_dlc *d)
rfcomm_send_ua(d->session, d->dlci);
+ rfcomm_dlc_clear_timer(d);
+
rfcomm_dlc_lock(d);
d->state = BT_CONNECTED;
d->state_change(d, 0);
diff --git a/net/can/af_can.c b/net/can/af_can.c
index 547bafc..10f0528 100644
--- a/net/can/af_can.c
+++ b/net/can/af_can.c
@@ -674,8 +674,8 @@ static int can_rcv(struct sk_buff *skb, struct net_device *dev,
rcu_read_unlock();
- /* free the skbuff allocated by the netdevice driver */
- kfree_skb(skb);
+ /* consume the skbuff allocated by the netdevice driver */
+ consume_skb(skb);
if (matches > 0) {
can_stats.matches++;
diff --git a/net/core/dev.c b/net/core/dev.c
index cfc614e..e48c08a 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1336,7 +1336,12 @@ static void dev_queue_xmit_nit(struct sk_buff *skb, struct net_device *dev)
{
struct packet_type *ptype;
+#ifdef CONFIG_NET_CLS_ACT
+ if (!(skb->tstamp.tv64 && (G_TC_FROM(skb->tc_verd) & AT_INGRESS)))
+ net_timestamp(skb);
+#else
net_timestamp(skb);
+#endif
rcu_read_lock();
list_for_each_entry_rcu(ptype, &ptype_all, list) {
@@ -4391,7 +4396,7 @@ int register_netdevice(struct net_device *dev)
dev->iflink = -1;
#ifdef CONFIG_COMPAT_NET_DEV_OPS
- /* Netdevice_ops API compatiability support.
+ /* Netdevice_ops API compatibility support.
* This is temporary until all network devices are converted.
*/
if (dev->netdev_ops) {
@@ -4402,7 +4407,7 @@ int register_netdevice(struct net_device *dev)
dev->name, netdev_drivername(dev, drivername, 64));
/* This works only because net_device_ops and the
- compatiablity structure are the same. */
+ compatibility structure are the same. */
dev->netdev_ops = (void *) &(dev->init);
}
#endif
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index fafbec8..1d7f49c 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2511,6 +2511,7 @@ struct sk_buff **tcp_gro_receive(struct sk_buff **head, struct sk_buff *skb)
struct sk_buff *p;
struct tcphdr *th;
struct tcphdr *th2;
+ unsigned int len;
unsigned int thlen;
unsigned int flags;
unsigned int mss = 1;
@@ -2531,6 +2532,7 @@ struct sk_buff **tcp_gro_receive(struct sk_buff **head, struct sk_buff *skb)
skb_gro_pull(skb, thlen);
+ len = skb_gro_len(skb);
flags = tcp_flag_word(th);
for (; (p = *head); head = &p->next) {
@@ -2561,7 +2563,7 @@ found:
mss = skb_shinfo(p)->gso_size;
- flush |= (skb_gro_len(skb) > mss) | !skb_gro_len(skb);
+ flush |= (len > mss) | !len;
flush |= (ntohl(th2->seq) + skb_gro_len(p)) ^ ntohl(th->seq);
if (flush || skb_gro_receive(head, skb)) {
@@ -2574,7 +2576,7 @@ found:
tcp_flag_word(th2) |= flags & (TCP_FLAG_FIN | TCP_FLAG_PSH);
out_check_final:
- flush = skb_gro_len(skb) < mss;
+ flush = len < mss;
flush |= flags & (TCP_FLAG_URG | TCP_FLAG_PSH | TCP_FLAG_RST |
TCP_FLAG_SYN | TCP_FLAG_FIN);
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 53300fa..59aec60 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -778,7 +778,7 @@ static void tcp_adjust_pcount(struct sock *sk, struct sk_buff *skb, int decr)
if (tp->lost_skb_hint &&
before(TCP_SKB_CB(skb)->seq, TCP_SKB_CB(tp->lost_skb_hint)->seq) &&
- (tcp_is_fack(tp) || TCP_SKB_CB(skb)->sacked))
+ (tcp_is_fack(tp) || (TCP_SKB_CB(skb)->sacked & TCPCB_SACKED_ACKED)))
tp->lost_cnt_hint -= decr;
tcp_verify_left_out(tp);
diff --git a/net/mac80211/Kconfig b/net/mac80211/Kconfig
index f3d9ae3..ecc3faf 100644
--- a/net/mac80211/Kconfig
+++ b/net/mac80211/Kconfig
@@ -202,10 +202,3 @@ config MAC80211_DEBUG_COUNTERS
and show them in debugfs.
If unsure, say N.
-
-config MAC80211_VERBOSE_SPECT_MGMT_DEBUG
- bool "Verbose Spectrum Management (IEEE 802.11h)debugging"
- depends on MAC80211_DEBUG_MENU
- ---help---
- Say Y here to print out verbose Spectrum Management (IEEE 802.11h)
- debug messages.
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index a6f1d8a..fbcbed6 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -258,7 +258,7 @@ int ieee80211_hw_config(struct ieee80211_local *local, u32 changed)
(chan->max_power - local->power_constr_level) :
chan->max_power;
- if (local->user_power_level)
+ if (local->user_power_level >= 0)
power = min(power, local->user_power_level);
if (local->hw.conf.power_level != power) {
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 7ecda9d..132938b 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -441,6 +441,9 @@ static bool ieee80211_check_tim(struct ieee802_11_elems *elems, u16 aid)
u8 index, indexn1, indexn2;
struct ieee80211_tim_ie *tim = (struct ieee80211_tim_ie *) elems->tim;
+ if (unlikely(!tim || elems->tim_len < 4))
+ return false;
+
aid &= 0x3fff;
index = aid / 8;
mask = 1 << (aid & 7);
@@ -945,9 +948,13 @@ void ieee80211_beacon_loss_work(struct work_struct *work)
u.mgd.beacon_loss_work);
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
- printk(KERN_DEBUG "%s: driver reports beacon loss from AP %pM "
- "- sending probe request\n", sdata->dev->name,
- sdata->u.mgd.bssid);
+#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
+ if (net_ratelimit()) {
+ printk(KERN_DEBUG "%s: driver reports beacon loss from AP %pM "
+ "- sending probe request\n", sdata->dev->name,
+ sdata->u.mgd.bssid);
+ }
+#endif
ifmgd->flags |= IEEE80211_STA_PROBEREQ_POLL;
ieee80211_send_probe_req(sdata, ifmgd->bssid, ifmgd->ssid,
@@ -1007,9 +1014,13 @@ static void ieee80211_associated(struct ieee80211_sub_if_data *sdata)
(local->hw.conf.flags & IEEE80211_CONF_PS)) &&
time_after(jiffies,
ifmgd->last_beacon + IEEE80211_MONITORING_INTERVAL)) {
- printk(KERN_DEBUG "%s: beacon loss from AP %pM "
- "- sending probe request\n",
- sdata->dev->name, ifmgd->bssid);
+#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
+ if (net_ratelimit()) {
+ printk(KERN_DEBUG "%s: beacon loss from AP %pM "
+ "- sending probe request\n",
+ sdata->dev->name, ifmgd->bssid);
+ }
+#endif
ifmgd->flags |= IEEE80211_STA_PROBEREQ_POLL;
ieee80211_send_probe_req(sdata, ifmgd->bssid, ifmgd->ssid,
ifmgd->ssid_len, NULL, 0);
@@ -1355,7 +1366,7 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
for (i = 0; i < elems.ext_supp_rates_len; i++) {
int rate = (elems.ext_supp_rates[i] & 0x7f) * 5;
- bool is_basic = !!(elems.supp_rates[i] & 0x80);
+ bool is_basic = !!(elems.ext_supp_rates[i] & 0x80);
if (rate > 110)
have_higher_than_11mbit = true;
@@ -1902,9 +1913,17 @@ static void ieee80211_sta_work(struct work_struct *work)
static void ieee80211_restart_sta_timer(struct ieee80211_sub_if_data *sdata)
{
- if (sdata->vif.type == NL80211_IFTYPE_STATION)
+ if (sdata->vif.type == NL80211_IFTYPE_STATION) {
+ /*
+ * Need to update last_beacon to avoid beacon loss
+ * test to trigger.
+ */
+ sdata->u.mgd.last_beacon = jiffies;
+
+
queue_work(sdata->local->hw.workqueue,
&sdata->u.mgd.work);
+ }
}
/* interface setup */
@@ -2105,12 +2124,13 @@ void ieee80211_dynamic_ps_enable_work(struct work_struct *work)
struct ieee80211_local *local =
container_of(work, struct ieee80211_local,
dynamic_ps_enable_work);
+ /* XXX: using scan_sdata is completely broken! */
struct ieee80211_sub_if_data *sdata = local->scan_sdata;
if (local->hw.conf.flags & IEEE80211_CONF_PS)
return;
- if (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK)
+ if (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK && sdata)
ieee80211_send_nullfunc(local, sdata, 1);
local->hw.conf.flags |= IEEE80211_CONF_PS;
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 64ebe66..5fa7aed 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -29,6 +29,7 @@
static u8 ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw,
struct tid_ampdu_rx *tid_agg_rx,
struct sk_buff *skb,
+ struct ieee80211_rx_status *status,
u16 mpdu_seq_num,
int bar_req);
/*
@@ -1688,7 +1689,7 @@ ieee80211_rx_h_ctrl(struct ieee80211_rx_data *rx)
/* manage reordering buffer according to requested */
/* sequence number */
rcu_read_lock();
- ieee80211_sta_manage_reorder_buf(hw, tid_agg_rx, NULL,
+ ieee80211_sta_manage_reorder_buf(hw, tid_agg_rx, NULL, NULL,
start_seq_num, 1);
rcu_read_unlock();
return RX_DROP_UNUSABLE;
@@ -2293,6 +2294,7 @@ static inline u16 seq_sub(u16 sq1, u16 sq2)
static u8 ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw,
struct tid_ampdu_rx *tid_agg_rx,
struct sk_buff *skb,
+ struct ieee80211_rx_status *rxstatus,
u16 mpdu_seq_num,
int bar_req)
{
@@ -2374,6 +2376,8 @@ static u8 ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw,
/* put the frame in the reordering buffer */
tid_agg_rx->reorder_buf[index] = skb;
+ memcpy(tid_agg_rx->reorder_buf[index]->cb, rxstatus,
+ sizeof(*rxstatus));
tid_agg_rx->stored_mpdu_num++;
/* release the buffer until next missing frame */
index = seq_sub(tid_agg_rx->head_seq_num, tid_agg_rx->ssn)
@@ -2399,7 +2403,8 @@ static u8 ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw,
}
static u8 ieee80211_rx_reorder_ampdu(struct ieee80211_local *local,
- struct sk_buff *skb)
+ struct sk_buff *skb,
+ struct ieee80211_rx_status *status)
{
struct ieee80211_hw *hw = &local->hw;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
@@ -2448,7 +2453,7 @@ static u8 ieee80211_rx_reorder_ampdu(struct ieee80211_local *local,
/* according to mpdu sequence number deal with reordering buffer */
mpdu_seq_num = (sc & IEEE80211_SCTL_SEQ) >> 4;
- ret = ieee80211_sta_manage_reorder_buf(hw, tid_agg_rx, skb,
+ ret = ieee80211_sta_manage_reorder_buf(hw, tid_agg_rx, skb, status,
mpdu_seq_num, 0);
end_reorder:
return ret;
@@ -2512,7 +2517,7 @@ void __ieee80211_rx(struct ieee80211_hw *hw, struct sk_buff *skb,
return;
}
- if (!ieee80211_rx_reorder_ampdu(local, skb))
+ if (!ieee80211_rx_reorder_ampdu(local, skb, status))
__ieee80211_rx_handle_packet(hw, skb, status, rate);
rcu_read_unlock();
diff --git a/net/mac80211/wext.c b/net/mac80211/wext.c
index deb4ece..959aa83 100644
--- a/net/mac80211/wext.c
+++ b/net/mac80211/wext.c
@@ -417,6 +417,7 @@ static int ieee80211_ioctl_siwtxpower(struct net_device *dev,
{
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
struct ieee80211_channel* chan = local->hw.conf.channel;
+ bool reconf = false;
u32 reconf_flags = 0;
int new_power_level;
@@ -427,14 +428,38 @@ static int ieee80211_ioctl_siwtxpower(struct net_device *dev,
if (!chan)
return -EINVAL;
- if (data->txpower.fixed)
- new_power_level = min(data->txpower.value, chan->max_power);
- else /* Automatic power level setting */
- new_power_level = chan->max_power;
+ /* only change when not disabling */
+ if (!data->txpower.disabled) {
+ if (data->txpower.fixed) {
+ if (data->txpower.value < 0)
+ return -EINVAL;
+ new_power_level = data->txpower.value;
+ /*
+ * Debatable, but we cannot do a fixed power
+ * level above the regulatory constraint.
+ * Use "iwconfig wlan0 txpower 15dBm" instead.
+ */
+ if (new_power_level > chan->max_power)
+ return -EINVAL;
+ } else {
+ /*
+ * Automatic power level setting, max being the value
+ * passed in from userland.
+ */
+ if (data->txpower.value < 0)
+ new_power_level = -1;
+ else
+ new_power_level = data->txpower.value;
+ }
+
+ reconf = true;
- local->user_power_level = new_power_level;
- if (local->hw.conf.power_level != new_power_level)
- reconf_flags |= IEEE80211_CONF_CHANGE_POWER;
+ /*
+ * ieee80211_hw_config() will limit to the channel's
+ * max power and possibly power constraint from AP.
+ */
+ local->user_power_level = new_power_level;
+ }
if (local->hw.conf.radio_enabled != !(data->txpower.disabled)) {
local->hw.conf.radio_enabled = !(data->txpower.disabled);
@@ -442,7 +467,7 @@ static int ieee80211_ioctl_siwtxpower(struct net_device *dev,
ieee80211_led_radio(local, local->hw.conf.radio_enabled);
}
- if (reconf_flags)
+ if (reconf || reconf_flags)
ieee80211_hw_config(local, reconf_flags);
return 0;
@@ -530,7 +555,7 @@ static int ieee80211_ioctl_giwfrag(struct net_device *dev,
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
frag->value = local->fragmentation_threshold;
- frag->disabled = (frag->value >= IEEE80211_MAX_RTS_THRESHOLD);
+ frag->disabled = (frag->value >= IEEE80211_MAX_FRAG_THRESHOLD);
frag->fixed = 1;
return 0;
diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index c6439c7..0ea36e0 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -512,7 +512,7 @@ static int ctnetlink_conntrack_event(struct notifier_block *this,
skb = ctnetlink_alloc_skb(tuple(ct, IP_CT_DIR_ORIGINAL), GFP_ATOMIC);
if (!skb)
- return NOTIFY_DONE;
+ goto errout;
b = skb->tail;
@@ -591,8 +591,9 @@ static int ctnetlink_conntrack_event(struct notifier_block *this,
nla_put_failure:
rcu_read_unlock();
nlmsg_failure:
- nfnetlink_set_err(0, group, -ENOBUFS);
kfree_skb(skb);
+errout:
+ nfnetlink_set_err(0, group, -ENOBUFS);
return NOTIFY_DONE;
}
#endif /* CONFIG_NF_CONNTRACK_EVENTS */
@@ -1564,7 +1565,7 @@ static int ctnetlink_expect_event(struct notifier_block *this,
skb = alloc_skb(NLMSG_GOODSIZE, GFP_ATOMIC);
if (!skb)
- return NOTIFY_DONE;
+ goto errout;
b = skb->tail;
@@ -1589,8 +1590,9 @@ static int ctnetlink_expect_event(struct notifier_block *this,
nla_put_failure:
rcu_read_unlock();
nlmsg_failure:
- nfnetlink_set_err(0, 0, -ENOBUFS);
kfree_skb(skb);
+errout:
+ nfnetlink_set_err(0, 0, -ENOBUFS);
return NOTIFY_DONE;
}
#endif
diff --git a/net/netfilter/nfnetlink.c b/net/netfilter/nfnetlink.c
index 2785d66..b8ab37a 100644
--- a/net/netfilter/nfnetlink.c
+++ b/net/netfilter/nfnetlink.c
@@ -203,7 +203,7 @@ static int __init nfnetlink_init(void)
nfnetlink_rcv, NULL, THIS_MODULE);
if (!nfnl) {
printk(KERN_ERR "cannot initialize nfnetlink!\n");
- return -1;
+ return -ENOMEM;
}
return 0;
diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c
index d876b87..2b88295 100644
--- a/net/sched/sch_netem.c
+++ b/net/sched/sch_netem.c
@@ -280,6 +280,14 @@ static struct sk_buff *netem_dequeue(struct Qdisc *sch)
if (unlikely(!skb))
return NULL;
+#ifdef CONFIG_NET_CLS_ACT
+ /*
+ * If it's at ingress let's pretend the delay is
+ * from the network (tstamp will be updated).
+ */
+ if (G_TC_FROM(skb->tc_verd) & AT_INGRESS)
+ skb->tstamp.tv64 = 0;
+#endif
pr_debug("netem_dequeue: return skb=%p\n", skb);
sch->q.qlen--;
return skb;
diff --git a/net/wireless/core.h b/net/wireless/core.h
index d43daa2..0a592e4 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -90,7 +90,7 @@ struct cfg80211_internal_bss {
struct rb_node rbn;
unsigned long ts;
struct kref ref;
- bool hold;
+ bool hold, ies_allocated;
/* must be last because of priv member */
struct cfg80211_bss pub;
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 353e1a4..2456e4e 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -3334,7 +3334,7 @@ static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
struct sk_buff *msg;
void *hdr;
- msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
+ msg = nlmsg_new(NLMSG_GOODSIZE, GFP_ATOMIC);
if (!msg)
return;
@@ -3353,7 +3353,7 @@ static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
return;
}
- genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, GFP_KERNEL);
+ genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, GFP_ATOMIC);
return;
nla_put_failure:
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 6327e16..6c1993d 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -2095,11 +2095,12 @@ int set_regdom(const struct ieee80211_regdomain *rd)
/* Caller must hold cfg80211_mutex */
void reg_device_remove(struct wiphy *wiphy)
{
- struct wiphy *request_wiphy;
+ struct wiphy *request_wiphy = NULL;
assert_cfg80211_lock();
- request_wiphy = wiphy_idx_to_wiphy(last_request->wiphy_idx);
+ if (last_request)
+ request_wiphy = wiphy_idx_to_wiphy(last_request->wiphy_idx);
kfree(wiphy->regd);
if (!last_request || !request_wiphy)
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index 2a00e36..2ae65b3 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -58,6 +58,10 @@ static void bss_release(struct kref *ref)
bss = container_of(ref, struct cfg80211_internal_bss, ref);
if (bss->pub.free_priv)
bss->pub.free_priv(&bss->pub);
+
+ if (bss->ies_allocated)
+ kfree(bss->pub.information_elements);
+
kfree(bss);
}
@@ -360,19 +364,41 @@ cfg80211_bss_update(struct cfg80211_registered_device *dev,
found = rb_find_bss(dev, res);
- if (found && overwrite) {
- list_replace(&found->list, &res->list);
- rb_replace_node(&found->rbn, &res->rbn,
- &dev->bss_tree);
- kref_put(&found->ref, bss_release);
- found = res;
- } else if (found) {
+ if (found) {
kref_get(&found->ref);
found->pub.beacon_interval = res->pub.beacon_interval;
found->pub.tsf = res->pub.tsf;
found->pub.signal = res->pub.signal;
found->pub.capability = res->pub.capability;
found->ts = res->ts;
+
+ /* overwrite IEs */
+ if (overwrite) {
+ size_t used = dev->wiphy.bss_priv_size + sizeof(*res);
+ size_t ielen = res->pub.len_information_elements;
+
+ if (ksize(found) >= used + ielen) {
+ memcpy(found->pub.information_elements,
+ res->pub.information_elements, ielen);
+ found->pub.len_information_elements = ielen;
+ } else {
+ u8 *ies = found->pub.information_elements;
+
+ if (found->ies_allocated) {
+ if (ksize(ies) < ielen)
+ ies = krealloc(ies, ielen,
+ GFP_ATOMIC);
+ } else
+ ies = kmalloc(ielen, GFP_ATOMIC);
+
+ if (ies) {
+ memcpy(ies, res->pub.information_elements, ielen);
+ found->ies_allocated = true;
+ found->pub.information_elements = ies;
+ }
+ }
+ }
+
kref_put(&res->ref, bss_release);
} else {
/* this "consumes" the reference */
generated by cgit v1.1 at 2024-12-25 20:56:43 +0000