diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 5950e3abead9b49a7bfc4a8d17d77ce250d1b578..b64b42bc774be82ce40133237624a848d237289f 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -2230,6 +2230,9 @@ struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw, sdata = vif_to_sdata(vif); + if (!ieee80211_sdata_running(sdata)) + goto out; + if (tim_offset) *tim_offset = 0; if (tim_length)