diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2023-08-28 15:00:03 +0300 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2023-09-11 12:27:22 +0300 |
| commit | 5435af6e6ac0132178b13d57ffc756dab5eef626 (patch) | |
| tree | fc02747a8f279ebc4e59b427d9ef2e8e2f8c7fd3 /net/mac80211/cfg.c | |
| parent | 2a8b665e6bcc3d554beb0d7cc1e4fd78dd94b55d (diff) | |
| download | linux-5435af6e6ac0132178b13d57ffc756dab5eef626.tar.xz | |
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/cfg.c')
| -rw-r--r-- | net/mac80211/cfg.c | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 261bed3bc000..d27beaf8a8c4 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -261,9 +261,9 @@ static int ieee80211_start_p2p_device(struct wiphy *wiphy, struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); int ret; - mutex_lock(&sdata->local->chanctx_mtx); + lockdep_assert_wiphy(sdata->local->hw.wiphy); + ret = ieee80211_check_combinations(sdata, NULL, 0, 0); - mutex_unlock(&sdata->local->chanctx_mtx); if (ret < 0) return ret; @@ -283,9 +283,9 @@ static int ieee80211_start_nan(struct wiphy *wiphy, struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); int ret; - mutex_lock(&sdata->local->chanctx_mtx); + lockdep_assert_wiphy(sdata->local->hw.wiphy); + ret = ieee80211_check_combinations(sdata, NULL, 0, 0); - mutex_unlock(&sdata->local->chanctx_mtx); if (ret < 0) return ret; @@ -3619,7 +3619,7 @@ static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata) sdata_assert_lock(sdata); lockdep_assert_held(&local->mtx); - lockdep_assert_held(&local->chanctx_mtx); + lockdep_assert_wiphy(local->hw.wiphy); /* * using reservation isn't immediate as it may be deferred until later @@ -3692,7 +3692,7 @@ void ieee80211_csa_finalize_work(struct wiphy *wiphy, struct wiphy_work *work) sdata_lock(sdata); mutex_lock(&local->mtx); - mutex_lock(&local->chanctx_mtx); + lockdep_assert_wiphy(local->hw.wiphy); /* AP might have been stopped while waiting for the lock. */ if (!sdata->vif.bss_conf.csa_active) @@ -3704,7 +3704,6 @@ void ieee80211_csa_finalize_work(struct wiphy *wiphy, struct wiphy_work *work) ieee80211_csa_finalize(sdata); unlock: - mutex_unlock(&local->chanctx_mtx); mutex_unlock(&local->mtx); sdata_unlock(sdata); } @@ -3864,6 +3863,7 @@ __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, sdata_assert_lock(sdata); lockdep_assert_held(&local->mtx); + lockdep_assert_wiphy(local->hw.wiphy); if (!list_empty(&local->roc_list) || local->scanning) return -EBUSY; @@ -3879,9 +3879,8 @@ __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, if (sdata->vif.bss_conf.csa_active) return -EBUSY; - mutex_lock(&local->chanctx_mtx); 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) { err = -EBUSY; goto out; @@ -3955,7 +3954,6 @@ __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, } out: - mutex_unlock(&local->chanctx_mtx); return err; } |