mac80211: inform driver of basic rateset

Drivers need to know the basic rateset to be able to configure
the ACK/CTS programming in hardware correctly.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 61b1934..dab8eba 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -144,7 +144,9 @@
 	ieee80211_setup_sdata(sdata, type);
 
 	/* reset some values that shouldn't be kept across type changes */
-	sdata->basic_rates = 0;
+	sdata->bss_conf.basic_rates =
+		ieee80211_mandatory_rates(sdata->local,
+			sdata->local->hw.conf.channel->band);
 	sdata->drop_unencrypted = 0;
 
 	return 0;