wifi: mac80211: fix supported rate masking in scan

We have an nl80211 attribute to mask supported rates from
probe responses in scanning, e.g. for use in P2P, but in
the refactoring I stopped applying this mask. Restore it.

Fixes: 07095d1 ("wifi: mac80211: start building elements in SKBs")
Link: https://msgid.link/20240301175451.7ad8ab0bd90c.I46b49e4fc27fe60b75d4559c01104e55ed381c37@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

net/mac80211/util.c

@@ -1216,8 +1216,8 @@ static int ieee80211_put_preq_ies_band(struct sk_buff *skb,
 	if (band == NL80211_BAND_S1GHZ)
 		return ieee80211_put_s1g_cap(skb, &sband->s1g_cap);
 
-	err = ieee80211_put_srates_elem(skb, sband, 0, rate_flags, 0,
-					WLAN_EID_SUPP_RATES);
+	err = ieee80211_put_srates_elem(skb, sband, 0, rate_flags,
+					~rate_mask, WLAN_EID_SUPP_RATES);
 	if (err)
 		return err;
 
@@ -1238,8 +1238,8 @@ static int ieee80211_put_preq_ies_band(struct sk_buff *skb,
 		*offset = noffset;
 	}
 
-	err = ieee80211_put_srates_elem(skb, sband, 0, rate_flags, 0,
-					WLAN_EID_EXT_SUPP_RATES);
+	err = ieee80211_put_srates_elem(skb, sband, 0, rate_flags,
+					~rate_mask, WLAN_EID_EXT_SUPP_RATES);
 	if (err)
 		return err;