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authorJohannes Berg <johannes.berg@intel.com>2023-08-28 14:00:03 +0200
committerJohannes Berg <johannes.berg@intel.com>2023-09-11 11:27:22 +0200
commit5435af6e6ac0132178b13d57ffc756dab5eef626 (patch)
treefc02747a8f279ebc4e59b427d9ef2e8e2f8c7fd3 /net/mac80211/tdls.c
parent2a8b665e6bcc3d554beb0d7cc1e4fd78dd94b55d (diff)
wifi: mac80211: remove chanctx_mtx
We now hold the wiphy mutex everywhere that we use or needed the chanctx_mtx, so we don't need this mutex any more. Remove it. Most of this change was done automatically with spatch. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/tdls.c')
-rw-r--r--net/mac80211/tdls.c19
1 files changed, 11 insertions, 8 deletions
diff --git a/net/mac80211/tdls.c b/net/mac80211/tdls.c
index e7bf25e3be07..d6d3123f4e3a 100644
--- a/net/mac80211/tdls.c
+++ b/net/mac80211/tdls.c
@@ -1354,9 +1354,10 @@ static void iee80211_tdls_recalc_chanctx(struct ieee80211_sub_if_data *sdata,
enum nl80211_chan_width width;
struct ieee80211_supported_band *sband;
- mutex_lock(&local->chanctx_mtx);
+ lockdep_assert_wiphy(local->hw.wiphy);
+
conf = rcu_dereference_protected(sdata->vif.bss_conf.chanctx_conf,
- lockdep_is_held(&local->chanctx_mtx));
+ lockdep_is_held(&local->hw.wiphy->mtx));
if (conf) {
width = conf->def.width;
sband = local->hw.wiphy->bands[conf->def.chan->band];
@@ -1384,7 +1385,6 @@ static void iee80211_tdls_recalc_chanctx(struct ieee80211_sub_if_data *sdata,
}
}
- mutex_unlock(&local->chanctx_mtx);
}
static int iee80211_tdls_have_ht_peers(struct ieee80211_sub_if_data *sdata)
@@ -1447,6 +1447,8 @@ int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
struct ieee80211_local *local = sdata->local;
int ret;
+ lockdep_assert_wiphy(local->hw.wiphy);
+
if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
return -ENOTSUPP;
@@ -1479,7 +1481,6 @@ int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
break;
}
- lockdep_assert_wiphy(local->hw.wiphy);
sta = sta_info_get(sdata, peer);
if (!sta) {
ret = -ENOLINK;
@@ -1512,7 +1513,6 @@ int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
ret = sta_info_destroy_addr(sdata, peer);
- lockdep_assert_wiphy(local->hw.wiphy);
iee80211_tdls_recalc_ht_protection(sdata, NULL);
iee80211_tdls_recalc_chanctx(sdata, NULL);
@@ -1667,11 +1667,12 @@ ieee80211_tdls_channel_switch(struct wiphy *wiphy, struct net_device *dev,
u32 ch_sw_tm_ie;
int ret;
+ lockdep_assert_wiphy(local->hw.wiphy);
+
if (chandef->chan->freq_offset)
/* this may work, but is untested */
return -EOPNOTSUPP;
- lockdep_assert_wiphy(local->hw.wiphy);
sta = sta_info_get(sdata, addr);
if (!sta) {
tdls_dbg(sdata,
@@ -1793,6 +1794,8 @@ ieee80211_process_tdls_channel_switch_resp(struct ieee80211_sub_if_data *sdata,
struct ieee80211_tdls_ch_sw_params params = {};
int ret;
+ lockdep_assert_wiphy(local->hw.wiphy);
+
params.action_code = WLAN_TDLS_CHANNEL_SWITCH_RESPONSE;
params.timestamp = rx_status->device_timestamp;
@@ -1802,7 +1805,6 @@ ieee80211_process_tdls_channel_switch_resp(struct ieee80211_sub_if_data *sdata,
return -EINVAL;
}
- lockdep_assert_wiphy(local->hw.wiphy);
sta = sta_info_get(sdata, tf->sa);
if (!sta || !test_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH)) {
tdls_dbg(sdata, "TDLS chan switch from non-peer sta %pM\n",
@@ -1890,6 +1892,8 @@ ieee80211_process_tdls_channel_switch_req(struct ieee80211_sub_if_data *sdata,
struct ieee80211_tdls_ch_sw_params params = {};
int ret = 0;
+ lockdep_assert_wiphy(local->hw.wiphy);
+
params.action_code = WLAN_TDLS_CHANNEL_SWITCH_REQUEST;
params.timestamp = rx_status->device_timestamp;
@@ -1978,7 +1982,6 @@ ieee80211_process_tdls_channel_switch_req(struct ieee80211_sub_if_data *sdata,
goto free;
}
- lockdep_assert_wiphy(local->hw.wiphy);
sta = sta_info_get(sdata, tf->sa);
if (!sta || !test_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH)) {
tdls_dbg(sdata, "TDLS chan switch from non-peer sta %pM\n",