diff options
Diffstat (limited to 'net/mac80211/mlme.c')
| -rw-r--r-- | net/mac80211/mlme.c | 35 |
1 files changed, 25 insertions, 10 deletions
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 0b3551da8f4..ee83125ed17 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -581,7 +581,7 @@ void ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata, if (!ifmgd->associated) return; - if (sdata->local->sw_scanning || sdata->local->hw_scanning) + if (sdata->local->scanning) return; /* Disregard subsequent beacons if we are already running a timer @@ -639,7 +639,7 @@ static void ieee80211_enable_ps(struct ieee80211_local *local, * If we are scanning right now then the parameters will * take effect when scan finishes. */ - if (local->hw_scanning || local->sw_scanning) + if (local->scanning) return; if (conf->dynamic_ps_timeout > 0 && @@ -1166,6 +1166,9 @@ static void ieee80211_mgd_probe_ap(struct ieee80211_sub_if_data *sdata, if (!netif_running(sdata->dev)) return; + if (sdata->local->scanning) + return; + mutex_lock(&ifmgd->mtx); if (!ifmgd->associated) @@ -2000,6 +2003,9 @@ static void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, case RX_MGMT_CFG80211_ASSOC: cfg80211_send_rx_assoc(sdata->dev, (u8 *) mgmt, skb->len); break; + case RX_MGMT_CFG80211_DEAUTH: + cfg80211_send_deauth(sdata->dev, (u8 *)mgmt, skb->len, NULL); + break; default: WARN(1, "unexpected: %d", rma); } @@ -2038,7 +2044,7 @@ static void ieee80211_sta_work(struct work_struct *work) if (!netif_running(sdata->dev)) return; - if (local->sw_scanning || local->hw_scanning) + if (local->scanning) return; if (WARN_ON(sdata->vif.type != NL80211_IFTYPE_STATION)) @@ -2213,9 +2219,6 @@ static void ieee80211_sta_monitor_work(struct work_struct *work) container_of(work, struct ieee80211_sub_if_data, u.mgd.monitor_work); - if (sdata->local->sw_scanning || sdata->local->hw_scanning) - return; - ieee80211_mgd_probe_ap(sdata, false); } @@ -2377,6 +2380,7 @@ int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata, wk->state = IEEE80211_MGD_STATE_PROBE; wk->auth_alg = auth_alg; + wk->timeout = jiffies; /* run right away */ /* * XXX: if still associated need to tell AP that we're going @@ -2448,6 +2452,7 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, wk->state = IEEE80211_MGD_STATE_ASSOC; wk->tries = 0; + wk->timeout = jiffies; /* run right away */ if (req->use_mfp) { ifmgd->mfp = IEEE80211_MFP_REQUIRED; @@ -2496,8 +2501,13 @@ int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata, } } - /* cfg80211 should catch this... */ - if (WARN_ON(!bssid)) { + /* + * cfg80211 should catch this ... but it's racy since + * we can receive a deauth frame, process it, hand it + * to cfg80211 while that's in a locked section already + * trying to tell us that the user wants to disconnect. + */ + if (!bssid) { mutex_unlock(&ifmgd->mtx); return -ENOLINK; } @@ -2522,8 +2532,13 @@ int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata, mutex_lock(&ifmgd->mtx); - /* cfg80211 should catch that */ - if (WARN_ON(&ifmgd->associated->cbss != req->bss)) { + /* + * cfg80211 should catch this ... but it's racy since + * we can receive a disassoc frame, process it, hand it + * to cfg80211 while that's in a locked section already + * trying to tell us that the user wants to disconnect. + */ + if (&ifmgd->associated->cbss != req->bss) { mutex_unlock(&ifmgd->mtx); return -ENOLINK; } |