diff --git a/net/mac80211/key.c b/net/mac80211/key.c index 1be3686562ee..93ea03b86b80 100644 --- a/net/mac80211/key.c +++ b/net/mac80211/key.c @@ -843,46 +843,30 @@ void ieee80211_key_free(struct ieee80211_key *key, bool delay_tailroom) ieee80211_key_destroy(key, delay_tailroom); } -void ieee80211_enable_keys(struct ieee80211_sub_if_data *sdata) +void ieee80211_reenable_keys(struct ieee80211_sub_if_data *sdata) { struct ieee80211_key *key; struct ieee80211_sub_if_data *vlan; ASSERT_RTNL(); - if (WARN_ON(!ieee80211_sdata_running(sdata))) - return; - - mutex_lock(&sdata->local->key_mtx); - - WARN_ON_ONCE(sdata->crypto_tx_tailroom_needed_cnt || - sdata->crypto_tx_tailroom_pending_dec); - - if (sdata->vif.type == NL80211_IFTYPE_AP) { - list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) - WARN_ON_ONCE(vlan->crypto_tx_tailroom_needed_cnt || - vlan->crypto_tx_tailroom_pending_dec); - } - - list_for_each_entry(key, &sdata->key_list, list) { - increment_tailroom_need_count(sdata); - ieee80211_key_enable_hw_accel(key); - } - - mutex_unlock(&sdata->local->key_mtx); -} - -void ieee80211_reset_crypto_tx_tailroom(struct ieee80211_sub_if_data *sdata) -{ - struct ieee80211_sub_if_data *vlan; - mutex_lock(&sdata->local->key_mtx); sdata->crypto_tx_tailroom_needed_cnt = 0; + sdata->crypto_tx_tailroom_pending_dec = 0; if (sdata->vif.type == NL80211_IFTYPE_AP) { - list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) + list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) { vlan->crypto_tx_tailroom_needed_cnt = 0; + vlan->crypto_tx_tailroom_pending_dec = 0; + } + } + + if (ieee80211_sdata_running(sdata)) { + list_for_each_entry(key, &sdata->key_list, list) { + increment_tailroom_need_count(sdata); + ieee80211_key_enable_hw_accel(key); + } } mutex_unlock(&sdata->local->key_mtx); diff --git a/net/mac80211/key.h b/net/mac80211/key.h index b8b9cd743bf4..d6d6e89cf7dd 100644 --- a/net/mac80211/key.h +++ b/net/mac80211/key.h @@ -2,6 +2,7 @@ /* * Copyright 2002-2004, Instant802 Networks, Inc. * Copyright 2005, Devicescape Software, Inc. + * Copyright (C) 2019 Intel Corporation */ #ifndef IEEE80211_KEY_H @@ -156,8 +157,7 @@ void ieee80211_free_keys(struct ieee80211_sub_if_data *sdata, bool force_synchronize); void ieee80211_free_sta_keys(struct ieee80211_local *local, struct sta_info *sta); -void ieee80211_enable_keys(struct ieee80211_sub_if_data *sdata); -void ieee80211_reset_crypto_tx_tailroom(struct ieee80211_sub_if_data *sdata); +void ieee80211_reenable_keys(struct ieee80211_sub_if_data *sdata); #define key_mtx_dereference(local, ref) \ rcu_dereference_protected(ref, lockdep_is_held(&((local)->key_mtx))) diff --git a/net/mac80211/util.c b/net/mac80211/util.c index 286c7ee35e63..92bfedfd3fd2 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -2420,11 +2420,7 @@ int ieee80211_reconfig(struct ieee80211_local *local) /* add back keys */ list_for_each_entry(sdata, &local->interfaces, list) - ieee80211_reset_crypto_tx_tailroom(sdata); - - list_for_each_entry(sdata, &local->interfaces, list) - if (ieee80211_sdata_running(sdata)) - ieee80211_enable_keys(sdata); + ieee80211_reenable_keys(sdata); /* Reconfigure sched scan if it was interrupted by FW restart */ mutex_lock(&local->mtx);