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-rw-r--r--net/mac80211/debugfs_netdev.c6
-rw-r--r--net/mac80211/debugfs_sta.c13
-rw-r--r--net/mac80211/ieee80211_i.h6
-rw-r--r--net/mac80211/mlme.c9
-rw-r--r--net/mac80211/rc80211_minstrel_debugfs.c6
-rw-r--r--net/mac80211/scan.c3
-rw-r--r--net/mac80211/sta_info.c7
-rw-r--r--net/mac80211/sta_info.h1
-rw-r--r--net/mac80211/util.c8
-rw-r--r--net/mac80211/wext.c2
10 files changed, 39 insertions, 22 deletions
diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c
index 2a4515623776..2ad504fc3414 100644
--- a/net/mac80211/debugfs_netdev.c
+++ b/net/mac80211/debugfs_netdev.c
@@ -545,8 +545,12 @@ static int netdev_notify(struct notifier_block *nb,
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- sprintf(buf, "netdev:%s", dev->name);
dir = sdata->debugfsdir;
+
+ if (!dir)
+ return 0;
+
+ sprintf(buf, "netdev:%s", dev->name);
if (!debugfs_rename(dir->d_parent, dir, dir->d_parent, buf))
printk(KERN_ERR "mac80211: debugfs: failed to rename debugfs "
"dir to %s\n", buf);
diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c
index b9902e425f09..b85c4f27b361 100644
--- a/net/mac80211/debugfs_sta.c
+++ b/net/mac80211/debugfs_sta.c
@@ -199,7 +199,7 @@ static ssize_t sta_agg_status_write(struct file *file,
/* toggle Rx aggregation command */
tid_num = tid_num - 100;
if (tid_static_rx[tid_num] == 1) {
- strcpy(state, "off ");
+ strcpy(state, "off");
ieee80211_sta_stop_rx_ba_session(sta->sdata, da, tid_num, 0,
WLAN_REASON_QSTA_REQUIRE_SETUP);
sta->ampdu_mlme.tid_state_rx[tid_num] |=
@@ -249,11 +249,22 @@ void ieee80211_sta_debugfs_add(struct sta_info *sta)
DECLARE_MAC_BUF(mbuf);
u8 *mac;
+ sta->debugfs.add_has_run = true;
+
if (!stations_dir)
return;
mac = print_mac(mbuf, sta->sta.addr);
+ /*
+ * This might fail due to a race condition:
+ * When mac80211 unlinks a station, the debugfs entries
+ * remain, but it is already possible to link a new
+ * station with the same address which triggers adding
+ * it to debugfs; therefore, if the old station isn't
+ * destroyed quickly enough the old station's debugfs
+ * dir might still be around.
+ */
sta->debugfs.dir = debugfs_create_dir(mac, stations_dir);
if (!sta->debugfs.dir)
return;
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 8025b294588b..156e42a003ae 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -816,8 +816,8 @@ struct ieee802_11_elems {
u8 *ext_supp_rates;
u8 *wmm_info;
u8 *wmm_param;
- u8 *ht_cap_elem;
- u8 *ht_info_elem;
+ struct ieee80211_ht_cap *ht_cap_elem;
+ struct ieee80211_ht_addt_info *ht_info_elem;
u8 *mesh_config;
u8 *mesh_id;
u8 *peer_link;
@@ -844,8 +844,6 @@ struct ieee802_11_elems {
u8 ext_supp_rates_len;
u8 wmm_info_len;
u8 wmm_param_len;
- u8 ht_cap_elem_len;
- u8 ht_info_elem_len;
u8 mesh_config_len;
u8 mesh_id_len;
u8 peer_link_len;
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 49f86fa56bff..14d165f0df75 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1348,10 +1348,8 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
(ifsta->flags & IEEE80211_STA_WMM_ENABLED)) {
struct ieee80211_ht_bss_info bss_info;
ieee80211_ht_cap_ie_to_ht_info(
- (struct ieee80211_ht_cap *)
elems.ht_cap_elem, &sta->sta.ht_info);
ieee80211_ht_addt_info_ie_to_ht_bss_info(
- (struct ieee80211_ht_addt_info *)
elems.ht_info_elem, &bss_info);
ieee80211_handle_ht(local, 1, &sta->sta.ht_info, &bss_info);
}
@@ -1709,7 +1707,6 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
struct ieee80211_ht_bss_info bss_info;
ieee80211_ht_addt_info_ie_to_ht_bss_info(
- (struct ieee80211_ht_addt_info *)
elems.ht_info_elem, &bss_info);
changed |= ieee80211_handle_ht(local, 1, &conf->ht_conf,
&bss_info);
@@ -2573,14 +2570,14 @@ void ieee80211_notify_mac(struct ieee80211_hw *hw,
switch (notif_type) {
case IEEE80211_NOTIFY_RE_ASSOC:
- rcu_read_lock();
- list_for_each_entry_rcu(sdata, &local->interfaces, list) {
+ rtnl_lock();
+ list_for_each_entry(sdata, &local->interfaces, list) {
if (sdata->vif.type != NL80211_IFTYPE_STATION)
continue;
ieee80211_sta_req_auth(sdata, &sdata->u.sta);
}
- rcu_read_unlock();
+ rtnl_unlock();
break;
}
}
diff --git a/net/mac80211/rc80211_minstrel_debugfs.c b/net/mac80211/rc80211_minstrel_debugfs.c
index 0b024cd6b809..98f480708050 100644
--- a/net/mac80211/rc80211_minstrel_debugfs.c
+++ b/net/mac80211/rc80211_minstrel_debugfs.c
@@ -94,8 +94,8 @@ minstrel_stats_open(struct inode *inode, struct file *file)
prob / 10, prob % 10,
mr->last_success,
mr->last_attempts,
- mr->succ_hist,
- mr->att_hist);
+ (unsigned long long)mr->succ_hist,
+ (unsigned long long)mr->att_hist);
}
p += sprintf(p, "\nTotal packet count:: ideal %d "
"lookaround %d\n\n",
@@ -106,7 +106,7 @@ minstrel_stats_open(struct inode *inode, struct file *file)
return 0;
}
-static int
+static ssize_t
minstrel_stats_read(struct file *file, char __user *buf, size_t len, loff_t *o)
{
struct minstrel_stats_info *ms;
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index 8e6685e7ae85..416bb41099f3 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -388,7 +388,8 @@ ieee80211_scan_rx(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb,
bss = ieee80211_bss_info_update(sdata->local, rx_status,
mgmt, skb->len, &elems,
freq, beacon);
- ieee80211_rx_bss_put(sdata->local, bss);
+ if (bss)
+ ieee80211_rx_bss_put(sdata->local, bss);
dev_kfree_skb(skb);
return RX_QUEUED;
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 9b72d15bc8dc..7fef8ea1f5ec 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -635,7 +635,12 @@ static void sta_info_debugfs_add_work(struct work_struct *work)
spin_lock_irqsave(&local->sta_lock, flags);
list_for_each_entry(tmp, &local->sta_list, list) {
- if (!tmp->debugfs.dir) {
+ /*
+ * debugfs.add_has_run will be set by
+ * ieee80211_sta_debugfs_add regardless
+ * of what else it does.
+ */
+ if (!tmp->debugfs.add_has_run) {
sta = tmp;
__sta_info_pin(sta);
break;
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index a6b51862a89d..168a39a298bd 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -300,6 +300,7 @@ struct sta_info {
struct dentry *inactive_ms;
struct dentry *last_seq_ctrl;
struct dentry *agg_status;
+ bool add_has_run;
} debugfs;
#endif
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index f32561ec224c..cee4884b9d06 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -529,12 +529,12 @@ void ieee802_11_parse_elems(u8 *start, size_t len,
elems->ext_supp_rates_len = elen;
break;
case WLAN_EID_HT_CAPABILITY:
- elems->ht_cap_elem = pos;
- elems->ht_cap_elem_len = elen;
+ if (elen >= sizeof(struct ieee80211_ht_cap))
+ elems->ht_cap_elem = (void *)pos;
break;
case WLAN_EID_HT_EXTRA_INFO:
- elems->ht_info_elem = pos;
- elems->ht_info_elem_len = elen;
+ if (elen >= sizeof(struct ieee80211_ht_addt_info))
+ elems->ht_info_elem = (void *)pos;
break;
case WLAN_EID_MESH_ID:
elems->mesh_id = pos;
diff --git a/net/mac80211/wext.c b/net/mac80211/wext.c
index 7e0d53abde24..742f811ca416 100644
--- a/net/mac80211/wext.c
+++ b/net/mac80211/wext.c
@@ -775,7 +775,7 @@ static int ieee80211_ioctl_siwfrag(struct net_device *dev,
* configure it here */
if (local->ops->set_frag_threshold)
- local->ops->set_frag_threshold(
+ return local->ops->set_frag_threshold(
local_to_hw(local),
local->fragmentation_threshold);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-29 06:07:38 +0100