diff --git a/net/mac80211/rc80211_minstrel_ht.c b/net/mac80211/rc80211_minstrel_ht.c index d2b264d1311d..a23a5cff0af5 100644 --- a/net/mac80211/rc80211_minstrel_ht.c +++ b/net/mac80211/rc80211_minstrel_ht.c @@ -244,6 +244,7 @@ minstrel_ht_update_stats(struct minstrel_priv *mp, struct minstrel_ht_sta *mi) struct minstrel_rate_stats *mr; int cur_prob, cur_prob_tp, cur_tp, cur_tp2; int group, i, index; + bool mi_rates_valid = false; if (mi->ampdu_packets > 0) { mi->avg_ampdu_len = minstrel_ewma(mi->avg_ampdu_len, @@ -254,11 +255,10 @@ minstrel_ht_update_stats(struct minstrel_priv *mp, struct minstrel_ht_sta *mi) mi->sample_slow = 0; mi->sample_count = 0; - mi->max_tp_rate = 0; - mi->max_tp_rate2 = 0; - mi->max_prob_rate = 0; for (group = 0; group < ARRAY_SIZE(minstrel_mcs_groups); group++) { + bool mg_rates_valid = false; + cur_prob = 0; cur_prob_tp = 0; cur_tp = 0; @@ -268,15 +268,24 @@ minstrel_ht_update_stats(struct minstrel_priv *mp, struct minstrel_ht_sta *mi) if (!mg->supported) continue; - mg->max_tp_rate = 0; - mg->max_tp_rate2 = 0; - mg->max_prob_rate = 0; mi->sample_count++; for (i = 0; i < MCS_GROUP_RATES; i++) { if (!(mg->supported & BIT(i))) continue; + /* initialize rates selections starting indexes */ + if (!mg_rates_valid) { + mg->max_tp_rate = mg->max_tp_rate2 = + mg->max_prob_rate = i; + if (!mi_rates_valid) { + mi->max_tp_rate = mi->max_tp_rate2 = + mi->max_prob_rate = i; + mi_rates_valid = true; + } + mg_rates_valid = true; + } + mr = &mg->rates[i]; mr->retry_updated = false; index = MCS_GROUP_RATES * group + i;