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Diffstat (limited to 'net/mac80211/mlme.c')
-rw-r--r--net/mac80211/mlme.c33
1 files changed, 25 insertions, 8 deletions
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 41812a15eea0..c8cd169fc10e 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -19,6 +19,7 @@
#include <linux/rtnetlink.h>
#include <linux/pm_qos_params.h>
#include <linux/crc32.h>
+#include <linux/slab.h>
#include <net/mac80211.h>
#include <asm/unaligned.h>
@@ -177,7 +178,8 @@ static u32 ieee80211_enable_ht(struct ieee80211_sub_if_data *sdata,
sta = sta_info_get(sdata, bssid);
if (sta)
rate_control_rate_update(local, sband, sta,
- IEEE80211_RC_HT_CHANGED);
+ IEEE80211_RC_HT_CHANGED,
+ local->oper_channel_type);
rcu_read_unlock();
}
@@ -435,10 +437,12 @@ static void ieee80211_enable_ps(struct ieee80211_local *local,
if (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK)
ieee80211_send_nullfunc(local, sdata, 1);
- if (!(local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS)) {
- conf->flags |= IEEE80211_CONF_PS;
- ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
- }
+ if ((local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK) &&
+ (local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS))
+ return;
+
+ conf->flags |= IEEE80211_CONF_PS;
+ ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
}
}
@@ -557,7 +561,8 @@ void ieee80211_dynamic_ps_enable_work(struct work_struct *work)
(!(ifmgd->flags & IEEE80211_STA_NULLFUNC_ACKED)))
ieee80211_send_nullfunc(local, sdata, 1);
- if (!(local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS) ||
+ if (!((local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS) &&
+ (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK)) ||
(ifmgd->flags & IEEE80211_STA_NULLFUNC_ACKED)) {
ifmgd->flags &= ~IEEE80211_STA_NULLFUNC_ACKED;
local->hw.conf.flags |= IEEE80211_CONF_PS;
@@ -1893,8 +1898,20 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
mutex_lock(&ifmgd->mtx);
if (ifmgd->associated) {
- mutex_unlock(&ifmgd->mtx);
- return -EALREADY;
+ if (!req->prev_bssid ||
+ memcmp(req->prev_bssid, ifmgd->associated->bssid,
+ ETH_ALEN)) {
+ /*
+ * We are already associated and the request was not a
+ * reassociation request from the current BSS, so
+ * reject it.
+ */
+ mutex_unlock(&ifmgd->mtx);
+ return -EALREADY;
+ }
+
+ /* Trying to reassociate - clear previous association state */
+ ieee80211_set_disassoc(sdata);
}
mutex_unlock(&ifmgd->mtx);