A switch from one rate index to the next only happens when tx count from the current slot is greater than MT7615_RATE_RETRY, which is 1 has to be subtracted from count, instead of added to it. Signed-off-by: Felix Fietkau <nbd@xxxxxxxx> --- drivers/net/wireless/mediatek/mt76/mt7615/mac.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c index 89aed6d67de0..e7a76032caff 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c @@ -1148,7 +1148,7 @@ static bool mt7615_fill_txs(struct mt7615_dev *dev, struct mt7615_sta *sta, if (ampdu || (info->flags & IEEE80211_TX_CTL_AMPDU)) info->flags |= IEEE80211_TX_STAT_AMPDU | IEEE80211_TX_CTL_AMPDU; - first_idx = max_t(int, 0, last_idx - (count + 1) / MT7615_RATE_RETRY); + first_idx = max_t(int, 0, last_idx - (count - 1) / MT7615_RATE_RETRY); if (fixed_rate && !probe) { info->status.rates[0].count = count; -- 2.24.0