From: Felix Fietkau <nbd@nbd.name> Date: Sat, 10 Feb 2018 13:43:07 +0100 Subject: [PATCH] mac80211: minstrel: fix using short preamble CCK rates on HT clients mi->supported[MINSTREL_CCK_GROUP] needs to be updated Fixes: 782dda00ab8e ("mac80211: minstrel_ht: move short preamble check out of get_rate") Signed-off-by: Felix Fietkau <nbd@nbd.name> --- --- a/net/mac80211/rc80211_minstrel_ht.c +++ b/net/mac80211/rc80211_minstrel_ht.c @@ -1135,7 +1135,6 @@ minstrel_ht_update_caps(void *priv, stru struct ieee80211_mcs_info *mcs = &sta->ht_cap.mcs; u16 ht_cap = sta->ht_cap.cap; struct ieee80211_sta_vht_cap *vht_cap = &sta->vht_cap; - struct sta_info *sinfo = container_of(sta, struct sta_info, sta); int use_vht; int n_supported = 0; int ack_dur; @@ -1267,8 +1266,7 @@ minstrel_ht_update_caps(void *priv, stru if (!n_supported) goto use_legacy; - if (test_sta_flag(sinfo, WLAN_STA_SHORT_PREAMBLE)) - mi->cck_supported_short |= mi->cck_supported_short << 4; + mi->supported[MINSTREL_CCK_GROUP] |= mi->cck_supported_short << 4; /* create an initial rate table with the lowest supported rates */ minstrel_ht_update_stats(mp, mi);