--- drivers/net/wireless/rtl818x/rtl8180_dev.c

+++ drivers/net/wireless/rtl818x/rtl8180_dev.c

@@ -190,6 +190,7 @@ static void rtl8180_handle_tx(struct iee

info->flags |= IEEE80211_TX_STAT_ACK;

info->status.rates[0].count = (flags & 0xFF) + 1;

+ info->status.rates[1].idx = -1;

ieee80211_tx_status_irqsafe(dev, skb);

if (ring->entries - skb_queue_len(&ring->queue) == 2)