rt2x00: fix beaconing on USB

When disable beaconing we clear register with beacon and newer set it
back, what make we stop send beacons infinitely.

Cc: stable@vger.kernel.org
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c
index ddeb5a709aa36d6375e58597104f4cc3cb632d12..a87ee9b6585a72cdad0394d773b17a69a8b80298 100644 (file)
--- a/drivers/net/wireless/rt2x00/rt2x00mac.c
+++ b/drivers/net/wireless/rt2x00/rt2x00mac.c
@@ -620,21 +620,19 @@ void rt2x00mac_bss_info_changed(struct ieee80211_hw *hw,
                rt2x00lib_config_intf(rt2x00dev, intf, vif->type, NULL,
                                      bss_conf->bssid);
 
-       /*
-        * Update the beacon. This is only required on USB devices. PCI
-        * devices fetch beacons periodically.
-        */
-       if (changes & BSS_CHANGED_BEACON && rt2x00_is_usb(rt2x00dev))
-               rt2x00queue_update_beacon(rt2x00dev, vif);
-
        /*
         * Start/stop beaconing.
         */
        if (changes & BSS_CHANGED_BEACON_ENABLED) {
                if (!bss_conf->enable_beacon && intf->enable_beacon) {
-                       rt2x00queue_clear_beacon(rt2x00dev, vif);
                        rt2x00dev->intf_beaconing--;
                        intf->enable_beacon = false;
+                       /*
+                        * Clear beacon in the H/W for this vif. This is needed
+                        * to disable beaconing on this particular interface
+                        * and keep it running on other interfaces.
+                        */
+                       rt2x00queue_clear_beacon(rt2x00dev, vif);
 
                        if (rt2x00dev->intf_beaconing == 0) {
                                /*
@@ -645,11 +643,15 @@ void rt2x00mac_bss_info_changed(struct ieee80211_hw *hw,
                                rt2x00queue_stop_queue(rt2x00dev->bcn);
                                mutex_unlock(&intf->beacon_skb_mutex);
                        }
-
-
                } else if (bss_conf->enable_beacon && !intf->enable_beacon) {
                        rt2x00dev->intf_beaconing++;
                        intf->enable_beacon = true;
+                       /*
+                        * Upload beacon to the H/W. This is only required on
+                        * USB devices. PCI devices fetch beacons periodically.
+                        */
+                       if (rt2x00_is_usb(rt2x00dev))
+                               rt2x00queue_update_beacon(rt2x00dev, vif);
 
                        if (rt2x00dev->intf_beaconing == 1) {
                                /*