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Diffstat (limited to 'net/mac80211/mlme.c')
-rw-r--r--net/mac80211/mlme.c35
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;
}