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--- a/net80211/ieee80211_beacon.c
+++ b/net80211/ieee80211_beacon.c
@@ -476,6 +476,14 @@ ieee80211_beacon_update(struct ieee80211
tie->tim_bitctl |= BITCTL_BUFD_MCAST;
else
tie->tim_bitctl &= ~BITCTL_BUFD_MCAST;
+
+ /* WAR: on some platforms, a race condition between beacon
+ * contents update and beacon transmission leads to beacon
+ * data not being updated in time. For most fields this is
+ * not critical, but for powersave it is. Work around this
+ * by always remapping the beacon when the TIM IE changes.
+ */
+ len_changed = 1;
}
/* Whenever we want to switch to a new channel, we need to follow the
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