diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 6fa3752b740ea..502c34d52fbec 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -632,15 +632,21 @@ ieee80211_determine_chan_mode(struct ieee80211_sub_if_data *sdata, ap_mode = ieee80211_determine_ap_chan(sdata, channel, bss->vht_cap_info, elems, false, conn, &ap_chandef); - mlme_link_id_dbg(sdata, link_id, "determined AP %pM to be %s\n", - cbss->bssid, ieee80211_conn_mode_str(ap_mode)); - /* this should be impossible since parsing depends on our mode */ if (WARN_ON(ap_mode > conn->mode)) { ret = -EINVAL; goto free; } + if (conn->mode != ap_mode) { + conn->mode = ap_mode; + kfree(elems); + goto again; + } + + mlme_link_id_dbg(sdata, link_id, "determined AP %pM to be %s\n", + cbss->bssid, ieee80211_conn_mode_str(ap_mode)); + sband = sdata->local->hw.wiphy->bands[channel->band]; switch (channel->band) { @@ -691,7 +697,6 @@ ieee80211_determine_chan_mode(struct ieee80211_sub_if_data *sdata, break; } - conn->mode = ap_mode; chanreq->oper = ap_chandef; /* wider-bandwidth OFDMA is only done in EHT */