rt2x00: Improve interface_modes initialization

All operating modes which require beaconing should
depend on the availability of beacon entries from
the hardware.

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 10 insertions, 4 deletions

diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c
index c42e4fdf0a1..477a944167c 100644
--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -1056,10 +1056,16 @@ int rt2x00lib_probe_dev(struct rt2x00_dev *rt2x00dev)
          */
         rt2x00dev->hw->vif_data_size = sizeof(struct rt2x00_intf);
 
-        rt2x00dev->hw->wiphy->interface_modes =
-            BIT(NL80211_IFTYPE_AP) |
-            BIT(NL80211_IFTYPE_STATION) |
-            BIT(NL80211_IFTYPE_ADHOC);
+        /*
+         * Determine which operating modes are supported, all modes
+         * which require beaconing, depend on the availability of
+         * beacon entries.
+         */
+        rt2x00dev->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION);
+        if (rt2x00dev->ops->bcn->entry_num > 0)
+                rt2x00dev->hw->wiphy->interface_modes |=
+                    BIT(NL80211_IFTYPE_ADHOC) |
+                    BIT(NL80211_IFTYPE_AP);
 
         /*
          * Let the driver probe the device to detect the capabilities.