minstrel_ht: fix check for downgrading of top2 rate
The check should be against current top2 rate, instead of
current top rate.
Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Acked-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/mac80211/rc80211_minstrel_ht.c b/net/mac80211/rc80211_minstrel_ht.c
index 8fba6f4..b5ace24 100644
--- a/net/mac80211/rc80211_minstrel_ht.c
+++ b/net/mac80211/rc80211_minstrel_ht.c
@@ -443,8 +443,8 @@
minstrel_downgrade_rate(mi, &mi->max_tp_rate, true);
rate2 = minstrel_get_ratestats(mi, mi->max_tp_rate2);
- if (rate->attempts > 30 &&
- MINSTREL_FRAC(rate->success, rate->attempts) <
+ if (rate2->attempts > 30 &&
+ MINSTREL_FRAC(rate2->success, rate2->attempts) <
MINSTREL_FRAC(20, 100))
minstrel_downgrade_rate(mi, &mi->max_tp_rate2, false);