diff options
Diffstat (limited to 'net/mac80211/ibss.c')
| -rw-r--r-- | net/mac80211/ibss.c | 39 |
1 files changed, 12 insertions, 27 deletions
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) |