Commit 0e8185ce authored by Johannes Berg's avatar Johannes Berg
Browse files

wifi: mac80211: check wiphy mutex in ops 



Check that we hold the wiphy mutex in the ops when
calling the driver, since we're now on our way to
always hold it, and simplify the locking.

Reviewed-by: default avatarEmmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent b38579ae

net/mac80211/driver-ops.c

+20 −0
Original line number Diff line number Diff line
@@ -15,6 +15,7 @@ int drv_start(struct ieee80211_local *local) 
	int ret;



	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	if (WARN_ON(local->started))

		return -EALREADY;
@@ -35,6 +36,7 @@ int drv_start(struct ieee80211_local *local) 
void drv_stop(struct ieee80211_local *local)

{

	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	if (WARN_ON(!local->started))

		return;
@@ -58,6 +60,7 @@ int drv_add_interface(struct ieee80211_local *local, 
	int ret;



	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	if (WARN_ON(sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||

		    (sdata->vif.type == NL80211_IFTYPE_MONITOR &&
@@ -82,6 +85,7 @@ int drv_change_interface(struct ieee80211_local *local, 
	int ret;



	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	if (!check_sdata_in_driver(sdata))

		return -EIO;
@@ -96,6 +100,7 @@ void drv_remove_interface(struct ieee80211_local *local, 
			  struct ieee80211_sub_if_data *sdata)

{

	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	if (!check_sdata_in_driver(sdata))

		return;
@@ -116,6 +121,7 @@ int drv_sta_state(struct ieee80211_local *local, 
	int ret = 0;



	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	sdata = get_bss_sdata(sdata);

	if (!check_sdata_in_driver(sdata))
@@ -149,6 +155,7 @@ int drv_sta_set_txpwr(struct ieee80211_local *local, 
	int ret = -EOPNOTSUPP;



	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	sdata = get_bss_sdata(sdata);

	if (!check_sdata_in_driver(sdata))
@@ -190,6 +197,7 @@ int drv_conf_tx(struct ieee80211_local *local, 
	int ret = -EOPNOTSUPP;



	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	if (!check_sdata_in_driver(sdata))

		return -EIO;
@@ -223,6 +231,7 @@ u64 drv_get_tsf(struct ieee80211_local *local, 
	u64 ret = -1ULL;



	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	if (!check_sdata_in_driver(sdata))

		return ret;
@@ -239,6 +248,7 @@ void drv_set_tsf(struct ieee80211_local *local, 
		 u64 tsf)

{

	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	if (!check_sdata_in_driver(sdata))

		return;
@@ -254,6 +264,7 @@ void drv_offset_tsf(struct ieee80211_local *local, 
		    s64 offset)

{

	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	if (!check_sdata_in_driver(sdata))

		return;
@@ -268,6 +279,7 @@ void drv_reset_tsf(struct ieee80211_local *local, 
		   struct ieee80211_sub_if_data *sdata)

{

	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	if (!check_sdata_in_driver(sdata))

		return;
@@ -286,6 +298,7 @@ int drv_assign_vif_chanctx(struct ieee80211_local *local, 
	int ret = 0;



	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	drv_verify_link_exists(sdata, link_conf);

	if (!check_sdata_in_driver(sdata))
@@ -314,6 +327,7 @@ void drv_unassign_vif_chanctx(struct ieee80211_local *local, 
			      struct ieee80211_chanctx *ctx)

{

	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	drv_verify_link_exists(sdata, link_conf);

	if (!check_sdata_in_driver(sdata))
@@ -342,6 +356,7 @@ int drv_switch_vif_chanctx(struct ieee80211_local *local, 
	int i;



	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	if (!local->ops->switch_vif_chanctx)

		return -EOPNOTSUPP;
@@ -394,6 +409,7 @@ int drv_ampdu_action(struct ieee80211_local *local, 
	int ret = -EOPNOTSUPP;



	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	if (!sdata)

		return -EIO;
@@ -418,6 +434,7 @@ void drv_link_info_changed(struct ieee80211_local *local, 
			   int link_id, u64 changed)

{

	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	if (WARN_ON_ONCE(changed & (BSS_CHANGED_BEACON |

				    BSS_CHANGED_BEACON_ENABLED) &&
@@ -460,6 +477,7 @@ int drv_set_key(struct ieee80211_local *local, 
	int ret;



	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	sdata = get_bss_sdata(sdata);

	if (!check_sdata_in_driver(sdata))
@@ -487,6 +505,7 @@ int drv_change_vif_links(struct ieee80211_local *local, 
	int ret = -EOPNOTSUPP;



	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	if (!check_sdata_in_driver(sdata))

		return -EIO;
@@ -534,6 +553,7 @@ int drv_change_sta_links(struct ieee80211_local *local, 
	int ret = -EOPNOTSUPP;



	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	if (!check_sdata_in_driver(sdata))

		return -EIO;

net/mac80211/driver-ops.h

+75 −0
Original line number Diff line number Diff line
@@ -41,6 +41,7 @@ static inline void drv_sync_rx_queues(struct ieee80211_local *local, 
				      struct sta_info *sta)

{

	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	if (local->ops->sync_rx_queues) {

		trace_drv_sync_rx_queues(local, sta->sdata, &sta->sta);
@@ -96,6 +97,7 @@ static inline int drv_suspend(struct ieee80211_local *local, 
	int ret;



	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	trace_drv_suspend(local);

	ret = local->ops->suspend(&local->hw, wowlan);
@@ -108,6 +110,7 @@ static inline int drv_resume(struct ieee80211_local *local) 
	int ret;



	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	trace_drv_resume(local);

	ret = local->ops->resume(&local->hw);
@@ -119,6 +122,7 @@ static inline void drv_set_wakeup(struct ieee80211_local *local, 
				  bool enabled)

{

	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	if (!local->ops->set_wakeup)

		return;
@@ -144,6 +148,7 @@ static inline int drv_config(struct ieee80211_local *local, u32 changed) 
	int ret;



	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	trace_drv_config(local, changed);

	ret = local->ops->config(&local->hw, changed);
@@ -156,6 +161,7 @@ static inline void drv_vif_cfg_changed(struct ieee80211_local *local, 
				       u64 changed)

{

	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	if (!check_sdata_in_driver(sdata))

		return;
@@ -195,6 +201,7 @@ static inline void drv_configure_filter(struct ieee80211_local *local, 
					u64 multicast)

{

	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	trace_drv_configure_filter(local, changed_flags, total_flags,

				   multicast);
@@ -209,6 +216,7 @@ static inline void drv_config_iface_filter(struct ieee80211_local *local, 
					   unsigned int changed_flags)

{

	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	trace_drv_config_iface_filter(local, sdata, filter_flags,

				      changed_flags);
@@ -265,6 +273,7 @@ static inline int drv_hw_scan(struct ieee80211_local *local, 
	int ret;



	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	if (!check_sdata_in_driver(sdata))

		return -EIO;
@@ -279,6 +288,7 @@ static inline void drv_cancel_hw_scan(struct ieee80211_local *local, 
				      struct ieee80211_sub_if_data *sdata)

{

	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	if (!check_sdata_in_driver(sdata))

		return;
@@ -297,6 +307,7 @@ drv_sched_scan_start(struct ieee80211_local *local, 
	int ret;



	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	if (!check_sdata_in_driver(sdata))

		return -EIO;
@@ -314,6 +325,7 @@ static inline int drv_sched_scan_stop(struct ieee80211_local *local, 
	int ret;



	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	if (!check_sdata_in_driver(sdata))

		return -EIO;
@@ -330,6 +342,7 @@ static inline void drv_sw_scan_start(struct ieee80211_local *local, 
				     const u8 *mac_addr)

{

	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	trace_drv_sw_scan_start(local, sdata, mac_addr);

	if (local->ops->sw_scan_start)
@@ -341,6 +354,7 @@ static inline void drv_sw_scan_complete(struct ieee80211_local *local, 
					struct ieee80211_sub_if_data *sdata)

{

	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	trace_drv_sw_scan_complete(local, sdata);

	if (local->ops->sw_scan_complete)
@@ -354,6 +368,7 @@ static inline int drv_get_stats(struct ieee80211_local *local, 
	int ret = -EOPNOTSUPP;



	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	if (local->ops->get_stats)

		ret = local->ops->get_stats(&local->hw, stats);
@@ -377,6 +392,7 @@ static inline int drv_set_frag_threshold(struct ieee80211_local *local, 
	int ret = 0;



	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	trace_drv_set_frag_threshold(local, value);

	if (local->ops->set_frag_threshold)
@@ -391,6 +407,7 @@ static inline int drv_set_rts_threshold(struct ieee80211_local *local, 
	int ret = 0;



	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	trace_drv_set_rts_threshold(local, value);

	if (local->ops->set_rts_threshold)
@@ -404,6 +421,7 @@ static inline int drv_set_coverage_class(struct ieee80211_local *local, 
{

	int ret = 0;

	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	trace_drv_set_coverage_class(local, value);

	if (local->ops->set_coverage_class)
@@ -437,6 +455,7 @@ static inline int drv_sta_add(struct ieee80211_local *local, 
	int ret = 0;



	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	sdata = get_bss_sdata(sdata);

	if (!check_sdata_in_driver(sdata))
@@ -456,6 +475,7 @@ static inline void drv_sta_remove(struct ieee80211_local *local, 
				  struct ieee80211_sta *sta)

{

	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	sdata = get_bss_sdata(sdata);

	if (!check_sdata_in_driver(sdata))
@@ -475,6 +495,7 @@ static inline void drv_link_add_debugfs(struct ieee80211_local *local, 
					struct dentry *dir)

{

	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	sdata = get_bss_sdata(sdata);

	if (!check_sdata_in_driver(sdata))
@@ -491,6 +512,7 @@ static inline void drv_sta_add_debugfs(struct ieee80211_local *local, 
				       struct dentry *dir)

{

	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	sdata = get_bss_sdata(sdata);

	if (!check_sdata_in_driver(sdata))
@@ -507,6 +529,7 @@ static inline void drv_link_sta_add_debugfs(struct ieee80211_local *local, 
					    struct dentry *dir)

{

	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	sdata = get_bss_sdata(sdata);

	if (!check_sdata_in_driver(sdata))
@@ -523,6 +546,7 @@ static inline void drv_sta_pre_rcu_remove(struct ieee80211_local *local, 
					  struct sta_info *sta)

{

	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	sdata = get_bss_sdata(sdata);

	if (!check_sdata_in_driver(sdata))
@@ -572,6 +596,7 @@ static inline void drv_sta_statistics(struct ieee80211_local *local, 
				      struct station_info *sinfo)

{

	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	sdata = get_bss_sdata(sdata);

	if (!check_sdata_in_driver(sdata))
@@ -603,6 +628,7 @@ static inline int drv_tx_last_beacon(struct ieee80211_local *local) 
	int ret = 0; /* default unsupported op for less congestion */



	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	trace_drv_tx_last_beacon(local);

	if (local->ops->tx_last_beacon)
@@ -621,6 +647,7 @@ static inline int drv_get_survey(struct ieee80211_local *local, int idx, 
	int ret = -EOPNOTSUPP;



	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	trace_drv_get_survey(local, idx, survey);
@@ -635,6 +662,7 @@ static inline int drv_get_survey(struct ieee80211_local *local, int idx, 
static inline void drv_rfkill_poll(struct ieee80211_local *local)

{

	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	if (local->ops->rfkill_poll)

		local->ops->rfkill_poll(&local->hw);
@@ -647,6 +675,7 @@ static inline void drv_flush(struct ieee80211_local *local, 
	struct ieee80211_vif *vif = sdata ? &sdata->vif : NULL;



	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	if (sdata && !check_sdata_in_driver(sdata))

		return;
@@ -662,6 +691,7 @@ static inline void drv_flush_sta(struct ieee80211_local *local, 
				 struct sta_info *sta)

{

	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	if (sdata && !check_sdata_in_driver(sdata))

		return;
@@ -677,6 +707,7 @@ static inline void drv_channel_switch(struct ieee80211_local *local, 
				      struct ieee80211_channel_switch *ch_switch)

{

	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	trace_drv_channel_switch(local, sdata, ch_switch);

	local->ops->channel_switch(&local->hw, &sdata->vif, ch_switch);
@@ -689,6 +720,7 @@ static inline int drv_set_antenna(struct ieee80211_local *local, 
{

	int ret = -EOPNOTSUPP;

	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);

	if (local->ops->set_antenna)

		ret = local->ops->set_antenna(&local->hw, tx_ant, rx_ant);

	trace_drv_set_antenna(local, tx_ant, rx_ant, ret);
@@ -700,6 +732,7 @@ static inline int drv_get_antenna(struct ieee80211_local *local, 
{

	int ret = -EOPNOTSUPP;

	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);

	if (local->ops->get_antenna)

		ret = local->ops->get_antenna(&local->hw, tx_ant, rx_ant);

	trace_drv_get_antenna(local, *tx_ant, *rx_ant, ret);
@@ -715,6 +748,7 @@ static inline int drv_remain_on_channel(struct ieee80211_local *local, 
	int ret;



	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	trace_drv_remain_on_channel(local, sdata, chan, duration, type);

	ret = local->ops->remain_on_channel(&local->hw, &sdata->vif,
@@ -731,6 +765,7 @@ drv_cancel_remain_on_channel(struct ieee80211_local *local, 
	int ret;



	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	trace_drv_cancel_remain_on_channel(local, sdata);

	ret = local->ops->cancel_remain_on_channel(&local->hw, &sdata->vif);
@@ -745,6 +780,7 @@ static inline int drv_set_ringparam(struct ieee80211_local *local, 
	int ret = -ENOTSUPP;



	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	trace_drv_set_ringparam(local, tx, rx);

	if (local->ops->set_ringparam)
@@ -758,6 +794,7 @@ static inline void drv_get_ringparam(struct ieee80211_local *local, 
				     u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)

{

	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	trace_drv_get_ringparam(local, tx, tx_max, rx, rx_max);

	if (local->ops->get_ringparam)
@@ -770,6 +807,7 @@ static inline bool drv_tx_frames_pending(struct ieee80211_local *local) 
	bool ret = false;



	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	trace_drv_tx_frames_pending(local);

	if (local->ops->tx_frames_pending)
@@ -786,6 +824,7 @@ static inline int drv_set_bitrate_mask(struct ieee80211_local *local, 
	int ret = -EOPNOTSUPP;



	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	if (!check_sdata_in_driver(sdata))

		return -EIO;
@@ -804,6 +843,7 @@ static inline void drv_set_rekey_data(struct ieee80211_local *local, 
				      struct cfg80211_gtk_rekey_data *data)

{

	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	if (!check_sdata_in_driver(sdata))

		return;
@@ -859,6 +899,7 @@ static inline void drv_mgd_prepare_tx(struct ieee80211_local *local, 
				      struct ieee80211_prep_tx_info *info)

{

	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	if (!check_sdata_in_driver(sdata))

		return;
@@ -876,6 +917,7 @@ static inline void drv_mgd_complete_tx(struct ieee80211_local *local, 
				       struct ieee80211_prep_tx_info *info)

{

	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	if (!check_sdata_in_driver(sdata))

		return;
@@ -893,6 +935,7 @@ drv_mgd_protect_tdls_discover(struct ieee80211_local *local, 
			      struct ieee80211_sub_if_data *sdata)

{

	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	if (!check_sdata_in_driver(sdata))

		return;
@@ -910,6 +953,7 @@ static inline int drv_add_chanctx(struct ieee80211_local *local, 
	int ret = -EOPNOTSUPP;



	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	trace_drv_add_chanctx(local, ctx);

	if (local->ops->add_chanctx)
@@ -925,6 +969,7 @@ static inline void drv_remove_chanctx(struct ieee80211_local *local, 
				      struct ieee80211_chanctx *ctx)

{

	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	if (WARN_ON(!ctx->driver_present))

		return;
@@ -941,6 +986,7 @@ static inline void drv_change_chanctx(struct ieee80211_local *local, 
				      u32 changed)

{

	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	trace_drv_change_chanctx(local, ctx, changed);

	if (local->ops->change_chanctx) {
@@ -980,6 +1026,7 @@ static inline int drv_start_ap(struct ieee80211_local *local, 
	drv_verify_link_exists(sdata, link_conf);



	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	if (!check_sdata_in_driver(sdata))

		return -EIO;
@@ -996,6 +1043,7 @@ static inline void drv_stop_ap(struct ieee80211_local *local, 
			       struct ieee80211_bss_conf *link_conf)

{

	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	/* make sure link_conf is protected */

	drv_verify_link_exists(sdata, link_conf);
@@ -1014,6 +1062,7 @@ drv_reconfig_complete(struct ieee80211_local *local, 
		      enum ieee80211_reconfig_type reconfig_type)

{

	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	trace_drv_reconfig_complete(local, reconfig_type);

	if (local->ops->reconfig_complete)
@@ -1027,6 +1076,7 @@ drv_set_default_unicast_key(struct ieee80211_local *local, 
			    int key_idx)

{

	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	if (!check_sdata_in_driver(sdata))

		return;
@@ -1059,6 +1109,7 @@ drv_channel_switch_beacon(struct ieee80211_sub_if_data *sdata, 
	struct ieee80211_local *local = sdata->local;



	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	if (local->ops->channel_switch_beacon) {

		trace_drv_channel_switch_beacon(local, sdata, chandef);
@@ -1075,6 +1126,7 @@ drv_pre_channel_switch(struct ieee80211_sub_if_data *sdata, 
	int ret = 0;



	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	if (!check_sdata_in_driver(sdata))

		return -EIO;
@@ -1094,6 +1146,7 @@ drv_post_channel_switch(struct ieee80211_sub_if_data *sdata) 
	int ret = 0;



	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	if (!check_sdata_in_driver(sdata))

		return -EIO;
@@ -1111,6 +1164,7 @@ drv_abort_channel_switch(struct ieee80211_sub_if_data *sdata) 
	struct ieee80211_local *local = sdata->local;



	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	if (!check_sdata_in_driver(sdata))

		return;
@@ -1128,6 +1182,7 @@ drv_channel_switch_rx_beacon(struct ieee80211_sub_if_data *sdata, 
	struct ieee80211_local *local = sdata->local;



	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	if (!check_sdata_in_driver(sdata))

		return;
@@ -1144,6 +1199,7 @@ static inline int drv_join_ibss(struct ieee80211_local *local, 
	int ret = 0;



	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);

	if (!check_sdata_in_driver(sdata))

		return -EIO;
@@ -1158,6 +1214,7 @@ static inline void drv_leave_ibss(struct ieee80211_local *local, 
				  struct ieee80211_sub_if_data *sdata)

{

	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);

	if (!check_sdata_in_driver(sdata))

		return;
@@ -1186,6 +1243,7 @@ static inline int drv_get_txpower(struct ieee80211_local *local, 
	int ret;



	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	if (!local->ops->get_txpower)

		return -EOPNOTSUPP;
@@ -1206,6 +1264,7 @@ drv_tdls_channel_switch(struct ieee80211_local *local, 
	int ret;



	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);

	if (!check_sdata_in_driver(sdata))

		return -EIO;
@@ -1226,6 +1285,7 @@ drv_tdls_cancel_channel_switch(struct ieee80211_local *local, 
			       struct ieee80211_sta *sta)

{

	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);

	if (!check_sdata_in_driver(sdata))

		return;
@@ -1292,6 +1352,7 @@ drv_get_ftm_responder_stats(struct ieee80211_local *local, 
	u32 ret = -EOPNOTSUPP;



	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);

	if (!check_sdata_in_driver(sdata))

		return -EIO;
@@ -1311,6 +1372,7 @@ static inline int drv_start_pmsr(struct ieee80211_local *local, 
	int ret = -EOPNOTSUPP;



	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);

	if (!check_sdata_in_driver(sdata))

		return -EIO;
@@ -1330,6 +1392,7 @@ static inline void drv_abort_pmsr(struct ieee80211_local *local, 
	trace_drv_abort_pmsr(local, sdata);



	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);

	if (!check_sdata_in_driver(sdata))

		return;
@@ -1345,6 +1408,7 @@ static inline int drv_start_nan(struct ieee80211_local *local, 
	int ret;



	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);

	check_sdata_in_driver(sdata);



	trace_drv_start_nan(local, sdata, conf);
@@ -1357,6 +1421,7 @@ static inline void drv_stop_nan(struct ieee80211_local *local, 
				struct ieee80211_sub_if_data *sdata)

{

	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);

	check_sdata_in_driver(sdata);



	trace_drv_stop_nan(local, sdata);
@@ -1372,6 +1437,7 @@ static inline int drv_nan_change_conf(struct ieee80211_local *local, 
	int ret;



	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);

	check_sdata_in_driver(sdata);



	if (!local->ops->nan_change_conf)
@@ -1392,6 +1458,7 @@ static inline int drv_add_nan_func(struct ieee80211_local *local, 
	int ret;



	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);

	check_sdata_in_driver(sdata);



	if (!local->ops->add_nan_func)
@@ -1409,6 +1476,7 @@ static inline void drv_del_nan_func(struct ieee80211_local *local, 
				   u8 instance_id)

{

	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);

	check_sdata_in_driver(sdata);



	trace_drv_del_nan_func(local, sdata, instance_id);
@@ -1425,6 +1493,7 @@ static inline int drv_set_tid_config(struct ieee80211_local *local, 
	int ret;



	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);

	ret = local->ops->set_tid_config(&local->hw, &sdata->vif, sta,

					 tid_conf);

	trace_drv_return_int(local, ret);
@@ -1439,6 +1508,7 @@ static inline int drv_reset_tid_config(struct ieee80211_local *local, 
	int ret;



	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);

	ret = local->ops->reset_tid_config(&local->hw, &sdata->vif, sta, tids);

	trace_drv_return_int(local, ret);
@@ -1449,6 +1519,7 @@ static inline void drv_update_vif_offload(struct ieee80211_local *local, 
					  struct ieee80211_sub_if_data *sdata)

{

	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);

	check_sdata_in_driver(sdata);



	if (!local->ops->update_vif_offload)
@@ -1466,6 +1537,7 @@ static inline void drv_sta_set_4addr(struct ieee80211_local *local, 
	sdata = get_bss_sdata(sdata);



	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);

	if (!check_sdata_in_driver(sdata))

		return;
@@ -1483,6 +1555,7 @@ static inline void drv_sta_set_decap_offload(struct ieee80211_local *local, 
	sdata = get_bss_sdata(sdata);



	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);

	if (!check_sdata_in_driver(sdata))

		return;
@@ -1501,6 +1574,7 @@ static inline void drv_add_twt_setup(struct ieee80211_local *local, 
	struct ieee80211_twt_params *twt_agrt;



	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);



	if (!check_sdata_in_driver(sdata))

		return;
@@ -1518,6 +1592,7 @@ static inline void drv_twt_teardown_request(struct ieee80211_local *local, 
					    u8 flowid)

{

	might_sleep();

	lockdep_assert_wiphy(local->hw.wiphy);

	if (!check_sdata_in_driver(sdata))

		return;