From: Felix Fietkau <nbd@nbd.name>
Date: Sat, 10 Feb 2018 13:43:07 +0100
Subject: [PATCH] mac80211: minstrel: fix using short preamble CCK rates on
 HT clients

mi->supported[MINSTREL_CCK_GROUP] needs to be updated

Fixes: 782dda00ab8e ("mac80211: minstrel_ht: move short preamble check out of get_rate")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---

--- a/net/mac80211/rc80211_minstrel_ht.c
+++ b/net/mac80211/rc80211_minstrel_ht.c
@@ -1268,7 +1268,8 @@ minstrel_ht_update_caps(void *priv, stru
 		goto use_legacy;
 
 	if (test_sta_flag(sinfo, WLAN_STA_SHORT_PREAMBLE))
-		mi->cck_supported_short |= mi->cck_supported_short << 4;
+		mi->supported[MINSTREL_CCK_GROUP] |=
+			mi->cck_supported_short << 4;
 
 	/* create an initial rate table with the lowest supported rates */
 	minstrel_ht_update_stats(mp, mi);