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-rw-r--r--net/mac80211/cfg.c43
-rw-r--r--net/mac80211/debugfs_netdev.c10
-rw-r--r--net/mac80211/driver-ops.c2
-rw-r--r--net/mac80211/driver-ops.h14
-rw-r--r--net/mac80211/ibss.c39
-rw-r--r--net/mac80211/ieee80211_i.h30
-rw-r--r--net/mac80211/iface.c11
-rw-r--r--net/mac80211/link.c34
-rw-r--r--net/mac80211/main.c7
-rw-r--r--net/mac80211/mesh.c16
-rw-r--r--net/mac80211/mlme.c123
-rw-r--r--net/mac80211/ocb.c6
-rw-r--r--net/mac80211/offchannel.c2
-rw-r--r--net/mac80211/tdls.c26
-rw-r--r--net/mac80211/util.c5
15 files changed, 86 insertions, 282 deletions
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 0201a3320136..851d6ed68367 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -573,8 +573,7 @@ ieee80211_lookup_key(struct ieee80211_sub_if_data *sdata, int link_id,
struct ieee80211_key *key;
if (link_id >= 0) {
- link = rcu_dereference_check(sdata->link[link_id],
- lockdep_is_held(&sdata->wdev.mtx));
+ link = sdata_dereference(sdata->link[link_id], sdata);
if (!link)
return NULL;
}
@@ -896,12 +895,10 @@ static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
sdata = wiphy_dereference(local->hw.wiphy,
local->monitor_sdata);
if (sdata) {
- sdata_lock(sdata);
ieee80211_link_release_channel(&sdata->deflink);
ret = ieee80211_link_use_channel(&sdata->deflink,
chandef,
IEEE80211_CHANCTX_EXCLUSIVE);
- sdata_unlock(sdata);
}
} else {
if (local->open_count == local->monitors) {
@@ -1490,7 +1487,7 @@ static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
struct ieee80211_bss_conf *link_conf;
u64 changed = 0;
- sdata_assert_lock(sdata);
+ lockdep_assert_wiphy(wiphy);
link = sdata_dereference(sdata->link[params->link_id], sdata);
if (!link)
@@ -1549,7 +1546,6 @@ static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev,
sdata_dereference(sdata->link[link_id], sdata);
struct ieee80211_bss_conf *link_conf = link->conf;
- sdata_assert_lock(sdata);
lockdep_assert_wiphy(local->hw.wiphy);
old_beacon = sdata_dereference(link->u.ap.beacon, sdata);
@@ -2163,14 +2159,7 @@ static int ieee80211_change_station(struct wiphy *wiphy,
}
}
- /* we use sta_info_get_bss() so this might be different */
- if (sdata != sta->sdata) {
- mutex_lock_nested(&sta->sdata->wdev.mtx, 1);
- err = sta_apply_parameters(local, sta, params);
- mutex_unlock(&sta->sdata->wdev.mtx);
- } else {
- err = sta_apply_parameters(local, sta, params);
- }
+ err = sta_apply_parameters(local, sta, params);
if (err)
return err;
@@ -3132,7 +3121,7 @@ int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
struct sta_info *sta;
bool tdls_peer_found = false;
- lockdep_assert_held(&sdata->wdev.mtx);
+ lockdep_assert_wiphy(sdata->local->hw.wiphy);
if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
return -EINVAL;
@@ -3211,7 +3200,6 @@ static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
local->dynamic_ps_forced_timeout = timeout;
/* no change, but if automatic follow powersave */
- sdata_lock(sdata);
for (link_id = 0; link_id < ARRAY_SIZE(sdata->link); link_id++) {
struct ieee80211_link_data *link;
@@ -3222,7 +3210,6 @@ static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
__ieee80211_request_smps_mgd(sdata, link,
link->u.mgd.req_smps);
}
- sdata_unlock(sdata);
if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))
ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
@@ -3609,7 +3596,6 @@ static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
u64 changed = 0;
int err;
- sdata_assert_lock(sdata);
lockdep_assert_wiphy(local->hw.wiphy);
/*
@@ -3681,20 +3667,16 @@ void ieee80211_csa_finalize_work(struct wiphy *wiphy, struct wiphy_work *work)
deflink.csa_finalize_work);
struct ieee80211_local *local = sdata->local;
- sdata_lock(sdata);
lockdep_assert_wiphy(local->hw.wiphy);
/* AP might have been stopped while waiting for the lock. */
if (!sdata->vif.bss_conf.csa_active)
- goto unlock;
+ return;
if (!ieee80211_sdata_running(sdata))
- goto unlock;
+ return;
ieee80211_csa_finalize(sdata);
-
-unlock:
- sdata_unlock(sdata);
}
static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
@@ -3850,7 +3832,6 @@ __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
u64 changed = 0;
int err;
- sdata_assert_lock(sdata);
lockdep_assert_wiphy(local->hw.wiphy);
if (!list_empty(&local->roc_list) || local->scanning)
@@ -4665,7 +4646,6 @@ static int ieee80211_color_change_finalize(struct ieee80211_sub_if_data *sdata)
u64 changed = 0;
int err;
- sdata_assert_lock(sdata);
lockdep_assert_wiphy(local->hw.wiphy);
sdata->vif.bss_conf.color_change_active = false;
@@ -4692,20 +4672,16 @@ void ieee80211_color_change_finalize_work(struct wiphy *wiphy,
deflink.color_change_finalize_work);
struct ieee80211_local *local = sdata->local;
- sdata_lock(sdata);
lockdep_assert_wiphy(local->hw.wiphy);
/* AP might have been stopped while waiting for the lock. */
if (!sdata->vif.bss_conf.color_change_active)
- goto unlock;
+ return;
if (!ieee80211_sdata_running(sdata))
- goto unlock;
+ return;
ieee80211_color_change_finalize(sdata);
-
-unlock:
- sdata_unlock(sdata);
}
void ieee80211_color_collision_detection_work(struct work_struct *work)
@@ -4716,9 +4692,7 @@ void ieee80211_color_collision_detection_work(struct work_struct *work)
color_collision_detect_work);
struct ieee80211_sub_if_data *sdata = link->sdata;
- sdata_lock(sdata);
cfg80211_obss_color_collision_notify(sdata->dev, link->color_bitmap);
- sdata_unlock(sdata);
}
void ieee80211_color_change_finish(struct ieee80211_vif *vif)
@@ -4762,7 +4736,6 @@ ieee80211_color_change(struct wiphy *wiphy, struct net_device *dev,
u64 changed = 0;
int err;
- sdata_assert_lock(sdata);
lockdep_assert_wiphy(local->hw.wiphy);
if (sdata->vif.bss_conf.nontransmitted)
diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c
index 706330fadc97..14a40348959a 100644
--- a/net/mac80211/debugfs_netdev.c
+++ b/net/mac80211/debugfs_netdev.c
@@ -322,7 +322,6 @@ static int ieee80211_set_smps(struct ieee80211_link_data *link,
{
struct ieee80211_sub_if_data *sdata = link->sdata;
struct ieee80211_local *local = sdata->local;
- int err;
if (sdata->vif.driver_flags & IEEE80211_VIF_DISABLE_SMPS_OVERRIDE)
return -EOPNOTSUPP;
@@ -340,11 +339,7 @@ static int ieee80211_set_smps(struct ieee80211_link_data *link,
if (sdata->vif.type != NL80211_IFTYPE_STATION)
return -EOPNOTSUPP;
- sdata_lock(sdata);
- err = __ieee80211_request_smps_mgd(link->sdata, link, smps_mode);
- sdata_unlock(sdata);
-
- return err;
+ return __ieee80211_request_smps_mgd(link->sdata, link, smps_mode);
}
static const char *smps_modes[IEEE80211_SMPS_NUM_MODES] = {
@@ -416,16 +411,13 @@ static ssize_t ieee80211_if_parse_tkip_mic_test(
case NL80211_IFTYPE_STATION:
fc |= cpu_to_le16(IEEE80211_FCTL_TODS);
/* BSSID SA DA */
- sdata_lock(sdata);
if (!sdata->u.mgd.associated) {
- sdata_unlock(sdata);
dev_kfree_skb(skb);
return -ENOTCONN;
}
memcpy(hdr->addr1, sdata->deflink.u.mgd.bssid, ETH_ALEN);
memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);
memcpy(hdr->addr3, addr, ETH_ALEN);
- sdata_unlock(sdata);
break;
default:
dev_kfree_skb(skb);
diff --git a/net/mac80211/driver-ops.c b/net/mac80211/driver-ops.c
index 9fc110264808..919300750527 100644
--- a/net/mac80211/driver-ops.c
+++ b/net/mac80211/driver-ops.c
@@ -300,7 +300,6 @@ int drv_assign_vif_chanctx(struct ieee80211_local *local,
might_sleep();
lockdep_assert_wiphy(local->hw.wiphy);
- drv_verify_link_exists(sdata, link_conf);
if (!check_sdata_in_driver(sdata))
return -EIO;
@@ -329,7 +328,6 @@ void drv_unassign_vif_chanctx(struct ieee80211_local *local,
might_sleep();
lockdep_assert_wiphy(local->hw.wiphy);
- drv_verify_link_exists(sdata, link_conf);
if (!check_sdata_in_driver(sdata))
return;
diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h
index 2fac7dc2eb9d..554c7aa10cc2 100644
--- a/net/mac80211/driver-ops.h
+++ b/net/mac80211/driver-ops.h
@@ -996,14 +996,6 @@ static inline void drv_change_chanctx(struct ieee80211_local *local,
trace_drv_return_void(local);
}
-static inline void drv_verify_link_exists(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_bss_conf *link_conf)
-{
- /* deflink always exists, so need to check only for other links */
- if (sdata->deflink.conf != link_conf)
- sdata_assert_lock(sdata);
-}
-
int drv_assign_vif_chanctx(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata,
struct ieee80211_bss_conf *link_conf,
@@ -1022,9 +1014,6 @@ static inline int drv_start_ap(struct ieee80211_local *local,
{
int ret = 0;
- /* make sure link_conf is protected */
- drv_verify_link_exists(sdata, link_conf);
-
might_sleep();
lockdep_assert_wiphy(local->hw.wiphy);
@@ -1045,9 +1034,6 @@ static inline void drv_stop_ap(struct ieee80211_local *local,
might_sleep();
lockdep_assert_wiphy(local->hw.wiphy);
- /* make sure link_conf is protected */
- drv_verify_link_exists(sdata, link_conf);
-
if (!check_sdata_in_driver(sdata))
return;
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index b95098c13153..9907cea6457c 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -235,7 +235,6 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
bool radar_required;
int err;
- sdata_assert_lock(sdata);
lockdep_assert_wiphy(local->hw.wiphy);
/* Reset own TSF to allow time synchronization work. */
@@ -403,7 +402,7 @@ static void ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
u32 rate_flags;
int shift;
- sdata_assert_lock(sdata);
+ lockdep_assert_wiphy(sdata->local->hw.wiphy);
if (beacon_int < 10)
beacon_int = 10;
@@ -484,7 +483,7 @@ int ieee80211_ibss_csa_beacon(struct ieee80211_sub_if_data *sdata,
u16 capability = WLAN_CAPABILITY_IBSS;
u64 tsf;
- sdata_assert_lock(sdata);
+ lockdep_assert_wiphy(sdata->local->hw.wiphy);
if (ifibss->privacy)
capability |= WLAN_CAPABILITY_PRIVACY;
@@ -526,7 +525,7 @@ int ieee80211_ibss_finish_csa(struct ieee80211_sub_if_data *sdata, u64 *changed)
struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
struct cfg80211_bss *cbss;
- sdata_assert_lock(sdata);
+ lockdep_assert_wiphy(sdata->local->hw.wiphy);
/* When not connected/joined, sending CSA doesn't make sense. */
if (ifibss->state != IEEE80211_IBSS_MLME_JOINED)
@@ -648,7 +647,7 @@ static int ieee80211_sta_active_ibss(struct ieee80211_sub_if_data *sdata)
int active = 0;
struct sta_info *sta;
- sdata_assert_lock(sdata);
+ lockdep_assert_wiphy(sdata->local->hw.wiphy);
rcu_read_lock();
@@ -734,16 +733,12 @@ static void ieee80211_csa_connection_drop_work(struct wiphy *wiphy,
container_of(work, struct ieee80211_sub_if_data,
u.ibss.csa_connection_drop_work);
- sdata_lock(sdata);
-
ieee80211_ibss_disconnect(sdata);
synchronize_rcu();
skb_queue_purge(&sdata->skb_queue);
/* trigger a scan to find another IBSS network to join */
wiphy_work_queue(sdata->local->hw.wiphy, &sdata->work);
-
- sdata_unlock(sdata);
}
static void ieee80211_ibss_csa_mark_radar(struct ieee80211_sub_if_data *sdata)
@@ -775,7 +770,7 @@ ieee80211_ibss_process_chanswitch(struct ieee80211_sub_if_data *sdata,
ieee80211_conn_flags_t conn_flags;
u32 vht_cap_info = 0;
- sdata_assert_lock(sdata);
+ lockdep_assert_wiphy(sdata->local->hw.wiphy);
conn_flags = IEEE80211_CONN_DISABLE_VHT;
@@ -947,7 +942,7 @@ static void ieee80211_rx_mgmt_auth_ibss(struct ieee80211_sub_if_data *sdata,
{
u16 auth_alg, auth_transaction;
- sdata_assert_lock(sdata);
+ lockdep_assert_wiphy(sdata->local->hw.wiphy);
if (len < 24 + 6)
return;
@@ -1289,7 +1284,7 @@ static void ieee80211_sta_merge_ibss(struct ieee80211_sub_if_data *sdata)
struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
enum nl80211_bss_scan_width scan_width;
- sdata_assert_lock(sdata);
+ lockdep_assert_wiphy(sdata->local->hw.wiphy);
mod_timer(&ifibss->timer,
round_jiffies(jiffies + IEEE80211_IBSS_MERGE_INTERVAL));
@@ -1321,7 +1316,7 @@ static void ieee80211_sta_create_ibss(struct ieee80211_sub_if_data *sdata)
u16 capability;
int i;
- sdata_assert_lock(sdata);
+ lockdep_assert_wiphy(sdata->local->hw.wiphy);
if (ifibss->fixed_bssid) {
memcpy(bssid, ifibss->bssid, ETH_ALEN);
@@ -1432,7 +1427,7 @@ static void ieee80211_sta_find_ibss(struct ieee80211_sub_if_data *sdata)
enum nl80211_bss_scan_width scan_width;
int active_ibss;
- sdata_assert_lock(sdata);
+ lockdep_assert_wiphy(sdata->local->hw.wiphy);
active_ibss = ieee80211_sta_active_ibss(sdata);
ibss_dbg(sdata, "sta_find_ibss (active_ibss=%d)\n", active_ibss);
@@ -1526,7 +1521,7 @@ static void ieee80211_rx_mgmt_probe_req(struct ieee80211_sub_if_data *sdata,
struct beacon_data *presp;
u8 *pos, *end;
- sdata_assert_lock(sdata);
+ lockdep_assert_wiphy(sdata->local->hw.wiphy);
presp = sdata_dereference(ifibss->presp, sdata);
@@ -1622,10 +1617,8 @@ void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
mgmt = (struct ieee80211_mgmt *) skb->data;
fc = le16_to_cpu(mgmt->frame_control);
- sdata_lock(sdata);
-
if (!sdata->u.ibss.ssid_len)
- goto mgmt_out; /* not ready to merge yet */
+ return; /* not ready to merge yet */
switch (fc & IEEE80211_FCTL_STYPE) {
case IEEE80211_STYPE_PROBE_REQ:
@@ -1665,9 +1658,6 @@ void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
break;
}
}
-
- mgmt_out:
- sdata_unlock(sdata);
}
void ieee80211_ibss_work(struct ieee80211_sub_if_data *sdata)
@@ -1675,15 +1665,13 @@ void ieee80211_ibss_work(struct ieee80211_sub_if_data *sdata)
struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
struct sta_info *sta;
- sdata_lock(sdata);
-
/*
* Work could be scheduled after scan or similar
* when we aren't even joined (or trying) with a
* network.
*/
if (!ifibss->ssid_len)
- goto out;
+ return;
spin_lock_bh(&ifibss->incomplete_lock);
while (!list_empty(&ifibss->incomplete_stations)) {
@@ -1709,9 +1697,6 @@ void ieee80211_ibss_work(struct ieee80211_sub_if_data *sdata)
WARN_ON(1);
break;
}
-
- out:
- sdata_unlock(sdata);
}
static void ieee80211_ibss_timer(struct timer_list *t)
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 2d2a4445714e..b8465d205076 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -991,7 +991,7 @@ struct ieee80211_link_data {
struct ieee80211_key __rcu *default_beacon_key;
struct wiphy_work csa_finalize_work;
- bool csa_block_tx; /* write-protected by sdata_lock and local->mtx */
+ bool csa_block_tx;
bool operating_11g_mode;
@@ -1135,28 +1135,8 @@ struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p)
return container_of(p, struct ieee80211_sub_if_data, vif);
}
-static inline void sdata_lock(struct ieee80211_sub_if_data *sdata)
- __acquires(&sdata->wdev.mtx)
-{
- mutex_lock(&sdata->wdev.mtx);
- __acquire(&sdata->wdev.mtx);
-}
-
-static inline void sdata_unlock(struct ieee80211_sub_if_data *sdata)
- __releases(&sdata->wdev.mtx)
-{
- mutex_unlock(&sdata->wdev.mtx);
- __release(&sdata->wdev.mtx);
-}
-
#define sdata_dereference(p, sdata) \
- rcu_dereference_protected(p, lockdep_is_held(&sdata->wdev.mtx))
-
-static inline void
-sdata_assert_lock(struct ieee80211_sub_if_data *sdata)
-{
- lockdep_assert_held(&sdata->wdev.mtx);
-}
+ wiphy_dereference(sdata->local->hw.wiphy, p)
static inline int
ieee80211_chanwidth_get_shift(enum nl80211_chan_width width)
@@ -2034,8 +2014,10 @@ void ieee80211_link_init(struct ieee80211_sub_if_data *sdata,
void ieee80211_link_stop(struct ieee80211_link_data *link);
int ieee80211_vif_set_links(struct ieee80211_sub_if_data *sdata,
u16 new_links, u16 dormant_links);
-void ieee80211_vif_clear_links(struct ieee80211_sub_if_data *sdata);
-int __ieee80211_set_active_links(struct ieee80211_vif *vif, u16 active_links);
+static inline void ieee80211_vif_clear_links(struct ieee80211_sub_if_data *sdata)
+{
+ ieee80211_vif_set_links(sdata, 0, 0);
+}
/* tx handling */
void ieee80211_clear_tx_pending(struct ieee80211_local *local);
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index fc407be04ce9..7e3acf670f0f 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -529,7 +529,6 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, bool going_do
del_timer_sync(&local->dynamic_ps_timer);
wiphy_work_cancel(local->hw.wiphy, &local->dynamic_ps_enable_work);
- sdata_lock(sdata);
WARN(ieee80211_vif_is_mld(&sdata->vif),
"destroying interface with valid links 0x%04x\n",
sdata->vif.valid_links);
@@ -542,7 +541,6 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, bool going_do
IEEE80211_QUEUE_STOP_REASON_CSA);
sdata->deflink.csa_block_tx = false;
}
- sdata_unlock(sdata);
wiphy_work_cancel(local->hw.wiphy, &sdata->deflink.csa_finalize_work);
wiphy_work_cancel(local->hw.wiphy,
@@ -1133,7 +1131,6 @@ int ieee80211_add_virtual_monitor(struct ieee80211_local *local)
snprintf(sdata->name, IFNAMSIZ, "%s-monitor",
wiphy_name(local->hw.wiphy));
sdata->wdev.iftype = NL80211_IFTYPE_MONITOR;
- mutex_init(&sdata->wdev.mtx);
sdata->wdev.wiphy = local->hw.wiphy;
ieee80211_sdata_init(local, sdata);
@@ -1159,17 +1156,14 @@ int ieee80211_add_virtual_monitor(struct ieee80211_local *local)
rcu_assign_pointer(local->monitor_sdata, sdata);
mutex_unlock(&local->iflist_mtx);
- sdata_lock(sdata);
ret = ieee80211_link_use_channel(&sdata->deflink, &local->monitor_chandef,
IEEE80211_CHANCTX_EXCLUSIVE);
- sdata_unlock(sdata);
if (ret) {
mutex_lock(&local->iflist_mtx);
RCU_INIT_POINTER(local->monitor_sdata, NULL);
mutex_unlock(&local->iflist_mtx);
synchronize_net();
drv_remove_interface(local, sdata);
- mutex_destroy(&sdata->wdev.mtx);
kfree(sdata);
return ret;
}
@@ -1205,13 +1199,10 @@ void ieee80211_del_virtual_monitor(struct ieee80211_local *local)
synchronize_net();
- sdata_lock(sdata);
ieee80211_link_release_channel(&sdata->deflink);
- sdata_unlock(sdata);
drv_remove_interface(local, sdata);
- mutex_destroy(&sdata->wdev.mtx);
kfree(sdata);
}
@@ -2279,13 +2270,11 @@ void ieee80211_remove_interfaces(struct ieee80211_local *local)
* we can't acquire the wiphy_lock() again there if already
* inside this locked section.
*/
- sdata_lock(sdata);
sdata->vif.cfg.arp_addr_cnt = 0;
if (sdata->vif.type == NL80211_IFTYPE_STATION &&
sdata->u.mgd.associated)
ieee80211_vif_cfg_change_notify(sdata,
BSS_CHANGED_ARP_FILTER);
- sdata_unlock(sdata);
list_del(&sdata->list);
cfg80211_unregister_wdev(&sdata->wdev);
diff --git a/net/mac80211/link.c b/net/mac80211/link.c
index 80571dcc57f5..2a78374f6f04 100644
--- a/net/mac80211/link.c
+++ b/net/mac80211/link.c
@@ -191,7 +191,7 @@ static int ieee80211_vif_update_links(struct ieee80211_sub_if_data *sdata,
struct ieee80211_link_data *old_data[IEEE80211_MLD_MAX_NUM_LINKS];
bool use_deflink = old_links == 0; /* set for error case */
- sdata_assert_lock(sdata);
+ lockdep_assert_wiphy(sdata->local->hw.wiphy);
memset(to_free, 0, sizeof(links));
@@ -303,23 +303,6 @@ int ieee80211_vif_set_links(struct ieee80211_sub_if_data *sdata,
return ret;
}
-void ieee80211_vif_clear_links(struct ieee80211_sub_if_data *sdata)
-{
- struct link_container *links[IEEE80211_MLD_MAX_NUM_LINKS];
-
- /*
- * The locking here is different because when we free links
- * in the station case we need to be able to cancel_work_sync()
- * something that also takes the lock.
- */
-
- sdata_lock(sdata);
- ieee80211_vif_update_links(sdata, links, 0, 0);
- sdata_unlock(sdata);
-
- ieee80211_free_links(sdata, links);
-}
-
static int _ieee80211_set_active_links(struct ieee80211_sub_if_data *sdata,
u16 active_links)
{
@@ -447,14 +430,13 @@ static int _ieee80211_set_active_links(struct ieee80211_sub_if_data *sdata,
return 0;
}
-int __ieee80211_set_active_links(struct ieee80211_vif *vif, u16 active_links)
+int ieee80211_set_active_links(struct ieee80211_vif *vif, u16 active_links)
{
struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
struct ieee80211_local *local = sdata->local;
u16 old_active;
int ret;
- sdata_assert_lock(sdata);
lockdep_assert_wiphy(local->hw.wiphy);
old_active = sdata->vif.active_links;
@@ -475,18 +457,6 @@ int __ieee80211_set_active_links(struct ieee80211_vif *vif, u16 active_links)
return ret;
}
-
-int ieee80211_set_active_links(struct ieee80211_vif *vif, u16 active_links)
-{
- struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
- int ret;
-
- sdata_lock(sdata);
- ret = __ieee80211_set_active_links(vif, active_links);
- sdata_unlock(sdata);
-
- return ret;
-}
EXPORT_SYMBOL_GPL(ieee80211_set_active_links);
void ieee80211_set_active_links_async(struct ieee80211_vif *vif,
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 411e44239bb9..0ab603850a85 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -365,13 +365,10 @@ static void ieee80211_restart_work(struct work_struct *work)
*/
wiphy_work_cancel(local->hw.wiphy,
&sdata->u.mgd.csa_connection_drop_work);
- if (sdata->vif.bss_conf.csa_active) {
- sdata_lock(sdata);
+ if (sdata->vif.bss_conf.csa_active)
ieee80211_sta_connection_lost(sdata,
WLAN_REASON_UNSPECIFIED,
false);
- sdata_unlock(sdata);
- }
}
wiphy_delayed_work_flush(local->hw.wiphy,
&sdata->dec_tailroom_needed_wk);
@@ -473,7 +470,6 @@ static int ieee80211_ifa_changed(struct notifier_block *nb,
*/
mutex_lock_nested(&local->hw.wiphy->mtx, 1);
__acquire(&local->hw.wiphy->mtx);
- sdata_lock(sdata);
/* Copy the addresses to the vif config list */
ifa = rtnl_dereference(idev->ifa_list);
@@ -490,7 +486,6 @@ static int ieee80211_ifa_changed(struct notifier_block *nb,
if (ifmgd->associated)
ieee80211_vif_cfg_change_notify(sdata, BSS_CHANGED_ARP_FILTER);
- sdata_unlock(sdata);
wiphy_unlock(local->hw.wiphy);
return NOTIFY_OK;
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index af8c5fc2db14..0d0fbae51b61 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -1291,7 +1291,7 @@ ieee80211_mesh_process_chnswitch(struct ieee80211_sub_if_data *sdata,
ieee80211_conn_flags_t conn_flags = 0;
u32 vht_cap_info = 0;
- sdata_assert_lock(sdata);
+ lockdep_assert_wiphy(sdata->local->hw.wiphy);
sband = ieee80211_get_sband(sdata);
if (!sband)
@@ -1559,7 +1559,7 @@ int ieee80211_mesh_csa_beacon(struct ieee80211_sub_if_data *sdata,
struct mesh_csa_settings *tmp_csa_settings;
int ret = 0;
- lockdep_assert_held(&sdata->wdev.mtx);
+ lockdep_assert_wiphy(sdata->local->hw.wiphy);
tmp_csa_settings = kmalloc(sizeof(*tmp_csa_settings),
GFP_ATOMIC);
@@ -1691,11 +1691,11 @@ void ieee80211_mesh_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
struct ieee80211_mgmt *mgmt;
u16 stype;
- sdata_lock(sdata);
+ lockdep_assert_wiphy(sdata->local->hw.wiphy);
/* mesh already went down */
if (!sdata->u.mesh.mesh_id_len)
- goto out;
+ return;
rx_status = IEEE80211_SKB_RXCB(skb);
mgmt = (struct ieee80211_mgmt *) skb->data;
@@ -1714,8 +1714,6 @@ void ieee80211_mesh_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
ieee80211_mesh_rx_mgmt_action(sdata, mgmt, skb->len, rx_status);
break;
}
-out:
- sdata_unlock(sdata);
}
static void mesh_bss_info_changed(struct ieee80211_sub_if_data *sdata)
@@ -1745,11 +1743,11 @@ void ieee80211_mesh_work(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
- sdata_lock(sdata);
+ lockdep_assert_wiphy(sdata->local->hw.wiphy);
/* mesh already went down */
if (!sdata->u.mesh.mesh_id_len)
- goto out;
+ return;
if (ifmsh->preq_queue_len &&
time_after(jiffies,
@@ -1767,8 +1765,6 @@ void ieee80211_mesh_work(struct ieee80211_sub_if_data *sdata)
if (test_and_clear_bit(MESH_WORK_MBSS_CHANGED, &ifmsh->wrkq_flags))
mesh_bss_info_changed(sdata);
-out:
- sdata_unlock(sdata);
}
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 195e7202d51d..6d0a29749e8c 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1,4 +1,3 @@
-// SPDX-License-Identifier: GPL-2.0-only
/*
* BSS client mode implementation
* Copyright 2003-2008, Jouni Malinen <j@w1.fi>
@@ -175,7 +174,7 @@ ieee80211_handle_puncturing_bitmap(struct ieee80211_link_data *link,
static void run_again(struct ieee80211_sub_if_data *sdata,
unsigned long timeout)
{
- sdata_assert_lock(sdata);
+ lockdep_assert_wiphy(sdata->local->hw.wiphy);
if (!timer_pending(&sdata->u.mgd.timer) ||
time_before(timeout, sdata->u.mgd.timer.expires))
@@ -1401,7 +1400,7 @@ static int ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata)
assoc_data->ie,
assoc_data->ie_len);
- sdata_assert_lock(sdata);
+ lockdep_assert_wiphy(sdata->local->hw.wiphy);
size = local->hw.extra_tx_headroom +
sizeof(*mgmt) + /* bit too much but doesn't matter */
@@ -1689,14 +1688,13 @@ static void ieee80211_chswitch_work(struct wiphy *wiphy,
if (!ieee80211_sdata_running(sdata))
return;
- sdata_lock(sdata);
lockdep_assert_wiphy(local->hw.wiphy);
if (!ifmgd->associated)
- goto out;
+ return;
if (!link->conf->csa_active)
- goto out;
+ return;
/*
* using reservation isn't immediate as it may be deferred until later
@@ -1712,7 +1710,7 @@ static void ieee80211_chswitch_work(struct wiphy *wiphy,
* reservations
*/
if (link->reserved_ready)
- goto out;
+ return;
ret = ieee80211_link_use_reserved_context(link);
if (ret) {
@@ -1721,10 +1719,8 @@ static void ieee80211_chswitch_work(struct wiphy *wiphy,
ret);
wiphy_work_queue(sdata->local->hw.wiphy,
&ifmgd->csa_connection_drop_work);
- goto out;
}
-
- goto out;
+ return;
}
if (!cfg80211_chandef_identical(&link->conf->chandef,
@@ -1733,16 +1729,13 @@ static void ieee80211_chswitch_work(struct wiphy *wiphy,
"failed to finalize channel switch, disconnecting\n");
wiphy_work_queue(sdata->local->hw.wiphy,
&ifmgd->csa_connection_drop_work);
- goto out;
+ return;
}
link->u.mgd.csa_waiting_bcn = true;
ieee80211_sta_reset_beacon_monitor(sdata);
ieee80211_sta_reset_conn_monitor(sdata);
-
-out:
- sdata_unlock(sdata);
}
static void ieee80211_chswitch_post_beacon(struct ieee80211_link_data *link)
@@ -1752,7 +1745,7 @@ static void ieee80211_chswitch_post_beacon(struct ieee80211_link_data *link)
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
int ret;
- sdata_assert_lock(sdata);
+ lockdep_assert_wiphy(sdata->local->hw.wiphy);
WARN_ON(!link->conf->csa_active);
@@ -1846,7 +1839,6 @@ ieee80211_sta_process_chanswitch(struct ieee80211_link_data *link,
unsigned long timeout;
int res;
- sdata_assert_lock(sdata);
lockdep_assert_wiphy(local->hw.wiphy);
if (!cbss)
@@ -2884,7 +2876,6 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
.subtype = stype,
};
- sdata_assert_lock(sdata);
lockdep_assert_wiphy(local->hw.wiphy);
if (WARN_ON_ONCE(tx && !frame_buf))
@@ -3223,19 +3214,16 @@ static void ieee80211_mgd_probe_ap(struct ieee80211_sub_if_data *sdata,
if (!ieee80211_sdata_running(sdata))
return;
- sdata_lock(sdata);
-
if (!ifmgd->associated)
- goto out;
+ return;
- if (sdata->local->tmp_channel || sdata->local->scanning) {
- goto out;
- }
+ if (sdata->local->tmp_channel || sdata->local->scanning)
+ return;
if (sdata->local->suspending) {
/* reschedule after resume */
ieee80211_reset_ap_probe(sdata);
- goto out;
+ return;
}
if (beacon) {
@@ -3263,14 +3251,12 @@ static void ieee80211_mgd_probe_ap(struct ieee80211_sub_if_data *sdata,
ifmgd->flags |= IEEE80211_STA_CONNECTION_POLL;
if (already)
- goto out;
+ return;
ieee80211_recalc_ps(sdata->local);
ifmgd->probe_send_count = 0;
ieee80211_mgd_probe_ap_send(sdata);
- out:
- sdata_unlock(sdata);
}
struct sk_buff *ieee80211_ap_probereq_get(struct ieee80211_hw *hw,
@@ -3283,12 +3269,12 @@ struct sk_buff *ieee80211_ap_probereq_get(struct ieee80211_hw *hw,
const struct element *ssid;
int ssid_len;
+ lockdep_assert_wiphy(sdata->local->hw.wiphy);
+
if (WARN_ON(sdata->vif.type != NL80211_IFTYPE_STATION ||
ieee80211_vif_is_mld(&sdata->vif)))
return NULL;
- sdata_assert_lock(sdata);
-
if (ifmgd->associated)
cbss = sdata->deflink.u.mgd.bss;
else if (ifmgd->auth_data)
@@ -3335,7 +3321,7 @@ static void ieee80211_report_disconnect(struct ieee80211_sub_if_data *sdata,
drv_event_callback(sdata->local, sdata, &event);
}
-static void ___ieee80211_disconnect(struct ieee80211_sub_if_data *sdata)
+static void __ieee80211_disconnect(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
@@ -3394,13 +3380,6 @@ static void ___ieee80211_disconnect(struct ieee80211_sub_if_data *sdata)
ifmgd->reconnect = false;
}
-static void __ieee80211_disconnect(struct ieee80211_sub_if_data *sdata)
-{
- sdata_lock(sdata);
- ___ieee80211_disconnect(sdata);
- sdata_unlock(sdata);
-}
-
static void ieee80211_beacon_connection_loss_work(struct wiphy *wiphy,
struct wiphy_work *work)
{
@@ -3482,7 +3461,6 @@ static void ieee80211_destroy_auth_data(struct ieee80211_sub_if_data *sdata,
{
struct ieee80211_mgd_auth_data *auth_data = sdata->u.mgd.auth_data;
- sdata_assert_lock(sdata);
lockdep_assert_wiphy(sdata->local->hw.wiphy);
if (!assoc) {
@@ -3522,7 +3500,6 @@ static void ieee80211_destroy_assoc_data(struct ieee80211_sub_if_data *sdata,
{
struct ieee80211_mgd_assoc_data *assoc_data = sdata->u.mgd.assoc_data;
- sdata_assert_lock(sdata);
lockdep_assert_wiphy(sdata->local->hw.wiphy);
if (status != ASSOC_SUCCESS) {
@@ -3638,7 +3615,7 @@ static void ieee80211_rx_mgmt_auth(struct ieee80211_sub_if_data *sdata,
.subtype = IEEE80211_STYPE_AUTH,
};
- sdata_assert_lock(sdata);
+ lockdep_assert_wiphy(sdata->local->hw.wiphy);
if (len < 24 + 6)
return;
@@ -3796,7 +3773,7 @@ static void ieee80211_rx_mgmt_deauth(struct ieee80211_sub_if_data *sdata,
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
u16 reason_code = le16_to_cpu(mgmt->u.deauth.reason_code);
- sdata_assert_lock(sdata);
+ lockdep_assert_wiphy(sdata->local->hw.wiphy);
if (len < 24 + 2)
return;
@@ -3840,7 +3817,7 @@ static void ieee80211_rx_mgmt_disassoc(struct ieee80211_sub_if_data *sdata,
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
u16 reason_code;
- sdata_assert_lock(sdata);
+ lockdep_assert_wiphy(sdata->local->hw.wiphy);
if (len < 24 + 2)
return;
@@ -5253,7 +5230,7 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
u8 ap_mld_addr[ETH_ALEN] __aligned(2);
unsigned int link_id;
- sdata_assert_lock(sdata);
+ lockdep_assert_wiphy(sdata->local->hw.wiphy);
if (!assoc_data)
return;
@@ -5453,7 +5430,7 @@ static void ieee80211_rx_bss_info(struct ieee80211_link_data *link,
struct ieee80211_bss *bss;
struct ieee80211_channel *channel;
- sdata_assert_lock(sdata);
+ lockdep_assert_wiphy(sdata->local->hw.wiphy);
channel = ieee80211_get_channel_khz(local->hw.wiphy,
ieee80211_rx_status_to_khz(rx_status));
@@ -5480,7 +5457,7 @@ static void ieee80211_rx_mgmt_probe_resp(struct ieee80211_link_data *link,
ifmgd = &sdata->u.mgd;
- sdata_assert_lock(sdata);
+ lockdep_assert_wiphy(sdata->local->hw.wiphy);
/*
* According to Draft P802.11ax D6.0 clause 26.17.2.3.2:
@@ -5691,21 +5668,16 @@ static void ieee80211_ml_reconf_work(struct wiphy *wiphy,
u16 new_valid_links, new_active_links, new_dormant_links;
int ret;
- sdata_lock(sdata);
- if (!sdata->u.mgd.removed_links) {
- sdata_unlock(sdata);
+ if (!sdata->u.mgd.removed_links)
return;
- }
sdata_info(sdata,
"MLO Reconfiguration: work: valid=0x%x, removed=0x%x\n",
sdata->vif.valid_links, sdata->u.mgd.removed_links);
new_valid_links = sdata->vif.valid_links & ~sdata->u.mgd.removed_links;
- if (new_valid_links == sdata->vif.valid_links) {
- sdata_unlock(sdata);
+ if (new_valid_links == sdata->vif.valid_links)
return;
- }
if (!new_valid_links ||
!(new_valid_links & ~sdata->vif.dormant_links)) {
@@ -5721,8 +5693,7 @@ static void ieee80211_ml_reconf_work(struct wiphy *wiphy,
BIT(ffs(new_valid_links &
~sdata->vif.dormant_links) - 1);
- ret = __ieee80211_set_active_links(&sdata->vif,
- new_active_links);
+ ret = ieee80211_set_active_links(&sdata->vif, new_active_links);
if (ret) {
sdata_info(sdata,
"Failed setting active links\n");
@@ -5741,11 +5712,9 @@ out:
if (!ret)
cfg80211_links_removed(sdata->dev, sdata->u.mgd.removed_links);
else
- ___ieee80211_disconnect(sdata);
+ __ieee80211_disconnect(sdata);
sdata->u.mgd.removed_links = 0;
-
- sdata_unlock(sdata);
}
static void ieee80211_ml_reconfiguration(struct ieee80211_sub_if_data *sdata,
@@ -5873,7 +5842,6 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_link_data *link,
.from_ap = true,
};
- sdata_assert_lock(sdata);
lockdep_assert_wiphy(local->hw.wiphy);
/* Process beacon from the current BSS */
@@ -6183,17 +6151,17 @@ void ieee80211_sta_rx_queued_ext(struct ieee80211_sub_if_data *sdata,
struct ieee80211_hdr *hdr;
u16 fc;
+ lockdep_assert_wiphy(sdata->local->hw.wiphy);
+
rx_status = (struct ieee80211_rx_status *) skb->cb;
hdr = (struct ieee80211_hdr *) skb->data;
fc = le16_to_cpu(hdr->frame_control);
- sdata_lock(sdata);
switch (fc & IEEE80211_FCTL_STYPE) {
case IEEE80211_STYPE_S1G_BEACON:
ieee80211_rx_mgmt_beacon(link, hdr, skb->len, rx_status);
break;
}
- sdata_unlock(sdata);
}
void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
@@ -6205,17 +6173,17 @@ void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
u16 fc;
int ies_len;
+ lockdep_assert_wiphy(sdata->local->hw.wiphy);
+
rx_status = (struct ieee80211_rx_status *) skb->cb;
mgmt = (struct ieee80211_mgmt *) skb->data;
fc = le16_to_cpu(mgmt->frame_control);
- sdata_lock(sdata);
-
if (rx_status->link_valid) {
link = sdata_dereference(sdata->link[rx_status->link_id],
sdata);
if (!link)
- goto out;
+ return;
}
switch (fc & IEEE80211_FCTL_STYPE) {
@@ -6298,8 +6266,6 @@ void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
}
break;
}
-out:
- sdata_unlock(sdata);
}
static void ieee80211_sta_timer(struct timer_list *t)
@@ -6334,7 +6300,7 @@ static int ieee80211_auth(struct ieee80211_sub_if_data *sdata)
.subtype = IEEE80211_STYPE_AUTH,
};
- sdata_assert_lock(sdata);
+ lockdep_assert_wiphy(sdata->local->hw.wiphy);
if (WARN_ON_ONCE(!auth_data))
return -EINVAL;
@@ -6403,7 +6369,7 @@ static int ieee80211_do_assoc(struct ieee80211_sub_if_data *sdata)
struct ieee80211_local *local = sdata->local;
int ret;
- sdata_assert_lock(sdata);
+ lockdep_assert_wiphy(sdata->local->hw.wiphy);
assoc_data->tries++;
if (assoc_data->tries > IEEE80211_ASSOC_MAX_TRIES) {
@@ -6459,7 +6425,7 @@ void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata)
struct ieee80211_local *local = sdata->local;
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
- sdata_lock(sdata);
+ lockdep_assert_wiphy(sdata->local->hw.wiphy);
if (ifmgd->status_received) {
__le16 fc = ifmgd->status_fc;
@@ -6594,8 +6560,6 @@ void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata)
WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY, false);
}
}
-
- sdata_unlock(sdata);
}
static void ieee80211_sta_bcn_mon_timer(struct timer_list *t)
@@ -6682,7 +6646,7 @@ void ieee80211_mgd_quiesce(struct ieee80211_sub_if_data *sdata)
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
u8 frame_buf[IEEE80211_DEAUTH_FRAME_LEN];
- sdata_lock(sdata);
+ lockdep_assert_wiphy(sdata->local->hw.wiphy);
if (ifmgd->auth_data || ifmgd->assoc_data) {
const u8 *ap_addr = ifmgd->auth_data ?
@@ -6734,8 +6698,6 @@ void ieee80211_mgd_quiesce(struct ieee80211_sub_if_data *sdata)
memcpy(bssid, sdata->vif.cfg.ap_addr, ETH_ALEN);
ieee80211_mgd_deauth(sdata, &req);
}
-
- sdata_unlock(sdata);
}
#endif
@@ -6743,11 +6705,10 @@ void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
- sdata_lock(sdata);
- if (!ifmgd->associated) {
- sdata_unlock(sdata);
+ lockdep_assert_wiphy(sdata->local->hw.wiphy);
+
+ if (!ifmgd->associated)
return;
- }
if (sdata->flags & IEEE80211_SDATA_DISCONNECT_RESUME) {
sdata->flags &= ~IEEE80211_SDATA_DISCONNECT_RESUME;
@@ -6755,7 +6716,6 @@ void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata)
ieee80211_sta_connection_lost(sdata,
WLAN_REASON_UNSPECIFIED,
true);
- sdata_unlock(sdata);
return;
}
@@ -6765,11 +6725,8 @@ void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata)
ieee80211_sta_connection_lost(sdata,
WLAN_REASON_UNSPECIFIED,
true);
- sdata_unlock(sdata);
return;
}
-
- sdata_unlock(sdata);
}
static void ieee80211_request_smps_mgd_work(struct wiphy *wiphy,
@@ -6779,10 +6736,8 @@ static void ieee80211_request_smps_mgd_work(struct wiphy *wiphy,
container_of(work, struct ieee80211_link_data,
u.mgd.request_smps_work);
- sdata_lock(link->sdata);
__ieee80211_request_smps_mgd(link->sdata, link,
link->u.mgd.driver_smps_mode);
- sdata_unlock(link->sdata);
}
/* interface setup */
@@ -7830,7 +7785,6 @@ void ieee80211_mgd_stop(struct ieee80211_sub_if_data *sdata)
wiphy_delayed_work_cancel(sdata->local->hw.wiphy,
&ifmgd->ml_reconf_work);
- sdata_lock(sdata);
if (ifmgd->assoc_data)
ieee80211_destroy_assoc_data(sdata, ASSOC_TIMEOUT);
if (ifmgd->auth_data)
@@ -7846,7 +7800,6 @@ void ieee80211_mgd_stop(struct ieee80211_sub_if_data *sdata)
ifmgd->assoc_req_ies_len = 0;
spin_unlock_bh(&ifmgd->teardown_lock);
del_timer_sync(&ifmgd->timer);
- sdata_unlock(sdata);
}
void ieee80211_cqm_rssi_notify(struct ieee80211_vif *vif,
diff --git a/net/mac80211/ocb.c b/net/mac80211/ocb.c
index 7661e96454b2..6e2965ffb809 100644
--- a/net/mac80211/ocb.c
+++ b/net/mac80211/ocb.c
@@ -124,11 +124,11 @@ void ieee80211_ocb_work(struct ieee80211_sub_if_data *sdata)
struct ieee80211_if_ocb *ifocb = &sdata->u.ocb;
struct sta_info *sta;
+ lockdep_assert_wiphy(sdata->local->hw.wiphy);
+
if (ifocb->joined != true)
return;
- sdata_lock(sdata);
-
spin_lock_bh(&ifocb->incomplete_lock);
while (!list_empty(&ifocb->incomplete_stations)) {
sta = list_first_entry(&ifocb->incomplete_stations,
@@ -144,8 +144,6 @@ void ieee80211_ocb_work(struct ieee80211_sub_if_data *sdata)
if (test_and_clear_bit(OCB_WORK_HOUSEKEEPING, &ifocb->wrkq_flags))
ieee80211_ocb_housekeeping(sdata);
-
- sdata_unlock(sdata);
}
static void ieee80211_ocb_housekeeping_timer(struct timer_list *t)
diff --git a/net/mac80211/offchannel.c b/net/mac80211/offchannel.c
index 8325fbb1645e..be377ed12baa 100644
--- a/net/mac80211/offchannel.c
+++ b/net/mac80211/offchannel.c
@@ -826,13 +826,11 @@ int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
break;
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_P2P_CLIENT:
- sdata_lock(sdata);
if (!sdata->u.mgd.associated ||
(params->offchan && params->wait &&
local->ops->remain_on_channel &&
memcmp(sdata->vif.cfg.ap_addr, mgmt->bssid, ETH_ALEN)))
need_offchan = true;
- sdata_unlock(sdata);
break;
case NL80211_IFTYPE_P2P_DEVICE:
need_offchan = true;
diff --git a/net/mac80211/tdls.c b/net/mac80211/tdls.c
index 9bcb0c2bba7d..ba14f570cda7 100644
--- a/net/mac80211/tdls.c
+++ b/net/mac80211/tdls.c
@@ -1465,22 +1465,18 @@ int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
/* protect possible bss_conf changes and avoid concurrency in
* ieee80211_bss_info_change_notify()
*/
- sdata_lock(sdata);
tdls_dbg(sdata, "TDLS oper %d peer %pM\n", oper, peer);
switch (oper) {
case NL80211_TDLS_ENABLE_LINK:
if (sdata->vif.bss_conf.csa_active) {
tdls_dbg(sdata, "TDLS: disallow link during CSA\n");
- ret = -EBUSY;
- break;
+ return -EBUSY;
}
sta = sta_info_get(sdata, peer);
- if (!sta) {
- ret = -ENOLINK;
- break;
- }
+ if (!sta)
+ return -ENOLINK;
iee80211_tdls_recalc_chanctx(sdata, sta);
iee80211_tdls_recalc_ht_protection(sdata, sta);
@@ -1489,7 +1485,6 @@ int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
WARN_ON_ONCE(is_zero_ether_addr(sdata->u.mgd.tdls_peer) ||
!ether_addr_equal(sdata->u.mgd.tdls_peer, peer));
- ret = 0;
break;
case NL80211_TDLS_DISABLE_LINK:
/*
@@ -1511,24 +1506,23 @@ int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
iee80211_tdls_recalc_ht_protection(sdata, NULL);
iee80211_tdls_recalc_chanctx(sdata, NULL);
+ if (ret)
+ return ret;
break;
default:
- ret = -ENOTSUPP;
- break;
+ return -ENOTSUPP;
}
- if (ret == 0 && ether_addr_equal(sdata->u.mgd.tdls_peer, peer)) {
+ if (ether_addr_equal(sdata->u.mgd.tdls_peer, peer)) {
wiphy_delayed_work_cancel(sdata->local->hw.wiphy,
&sdata->u.mgd.tdls_peer_del_work);
eth_zero_addr(sdata->u.mgd.tdls_peer);
}
- if (ret == 0)
- wiphy_work_queue(sdata->local->hw.wiphy,
- &sdata->deflink.u.mgd.request_smps_work);
+ wiphy_work_queue(sdata->local->hw.wiphy,
+ &sdata->deflink.u.mgd.request_smps_work);
- sdata_unlock(sdata);
- return ret;
+ return 0;
}
void ieee80211_tdls_oper_request(struct ieee80211_vif *vif, const u8 *peer,
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 7833043b0a4e..4aefb9483aa9 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -2664,7 +2664,6 @@ int ieee80211_reconfig(struct ieee80211_local *local)
if (!ieee80211_sdata_running(sdata))
continue;
- sdata_lock(sdata);
if (ieee80211_vif_is_mld(&sdata->vif)) {
struct ieee80211_bss_conf *old[IEEE80211_MLD_MAX_NUM_LINKS] = {
[0] = &sdata->vif.bss_conf,
@@ -2796,7 +2795,6 @@ int ieee80211_reconfig(struct ieee80211_local *local)
case NL80211_IFTYPE_NAN:
res = ieee80211_reconfig_nan(sdata);
if (res < 0) {
- sdata_unlock(sdata);
ieee80211_handle_reconfig_failure(local);
return res;
}
@@ -2814,7 +2812,6 @@ int ieee80211_reconfig(struct ieee80211_local *local)
WARN_ON(1);
break;
}
- sdata_unlock(sdata);
if (active_links)
ieee80211_set_active_links(&sdata->vif, active_links);
@@ -2844,7 +2841,6 @@ int ieee80211_reconfig(struct ieee80211_local *local)
if (!ieee80211_sdata_running(sdata))
continue;
- sdata_lock(sdata);
switch (sdata->vif.type) {
case NL80211_IFTYPE_AP_VLAN:
case NL80211_IFTYPE_AP:
@@ -2853,7 +2849,6 @@ int ieee80211_reconfig(struct ieee80211_local *local)
default:
break;
}
- sdata_unlock(sdata);
}
/* add back keys */
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-05 05:42:35 +0300