--- net/wireless/wext-compat.c

+++ net/wireless/wext-compat.c

@@ -1227,10 +1227,7 @@ int cfg80211_wext_giwrate(struct net_dev

if (!(sinfo.filled & STATION_INFO_TX_BITRATE))

return -EOPNOTSUPP;

- rate->value = 0;

-

- if (!(sinfo.txrate.flags & RATE_INFO_FLAGS_MCS))

- rate->value = 100000 * sinfo.txrate.legacy;

+ rate->value = 100000 * cfg80211_calculate_bitrate(&sinfo.txrate);

return 0;

}