--- a/drivers/net/wireless/ath/carl9170/main.c +++ b/drivers/net/wireless/ath/carl9170/main.c @@ -1914,7 +1914,7 @@ static int carl9170_parse_eeprom(struct WARN_ON(!(tx_streams >= 1 && tx_streams <= IEEE80211_HT_MCS_TX_MAX_STREAMS)); - tx_params = (tx_streams - 1) << + tx_params |= (tx_streams - 1) << IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT; carl9170_band_2GHz.ht_cap.mcs.tx_params |= tx_params;