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[PATCH AUTOSEL 4.14 273/371] mac80211: minstrel_ht: fix per-group max throughput rate initialization

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From: Felix Fietkau <nbd@xxxxxxxx>

[ Upstream commit 56dd918ff06e3ee24d8067e93ed12b2a39e71394 ]

The group number needs to be multiplied by the number of rates per group
to get the full rate index

Fixes: 5935839ad735 ("mac80211: improve minstrel_ht rate sorting by throughput & probability")
Signed-off-by: Felix Fietkau <nbd@xxxxxxxx>
Link: https://lore.kernel.org/r/20190820095449.45255-1-nbd@xxxxxxxx
Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 net/mac80211/rc80211_minstrel_ht.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/mac80211/rc80211_minstrel_ht.c b/net/mac80211/rc80211_minstrel_ht.c
index e57811e4b91f..7ba4272642c9 100644
--- a/net/mac80211/rc80211_minstrel_ht.c
+++ b/net/mac80211/rc80211_minstrel_ht.c
@@ -529,7 +529,7 @@ minstrel_ht_update_stats(struct minstrel_priv *mp, struct minstrel_ht_sta *mi)
 
 		/* (re)Initialize group rate indexes */
 		for(j = 0; j < MAX_THR_RATES; j++)
-			tmp_group_tp_rate[j] = group;
+			tmp_group_tp_rate[j] = MCS_GROUP_RATES * group;
 
 		for (i = 0; i < MCS_GROUP_RATES; i++) {
 			if (!(mi->supported[group] & BIT(i)))
-- 
2.20.1




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