mac80211: Drop DS Channel PARAM in directed probe

Do not send DS Channel parameter for directed probe requests
in order to maximize the chance that we get a response.  Some
badly-behaved APs don't respond when this parameter is included.

Signed-off-by: Paul Stewart <pstew@chromium.org>
Reviewed-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index faca503..0f6052f 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1204,7 +1204,8 @@
 		ieee80211_send_nullfunc(sdata->local, sdata, 0);
 	} else {
 		ssid = ieee80211_bss_get_ie(ifmgd->associated, WLAN_EID_SSID);
-		ieee80211_send_probe_req(sdata, dst, ssid + 2, ssid[1], NULL, 0);
+		ieee80211_send_probe_req(sdata, dst, ssid + 2, ssid[1], NULL, 0,
+					 true);
 	}
 
 	ifmgd->probe_send_count++;
@@ -1289,7 +1290,7 @@
 
 	ssid = ieee80211_bss_get_ie(ifmgd->associated, WLAN_EID_SSID);
 	skb = ieee80211_build_probe_req(sdata, ifmgd->associated->bssid,
-					ssid + 2, ssid[1], NULL, 0);
+					ssid + 2, ssid[1], NULL, 0, true);
 
 	return skb;
 }