mac80211: remove encrypt parameter from ieee80211_tx_skb

Since the flags moved into skb->cb, there's no
longer a need to have the encrypt bool passed
into the function, anyone who requires it set
to 0 (false) can just set the flag directly.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index da86e15..5ae1bf3 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -872,7 +872,8 @@
 		WARN_ON(err);
 	}
 
-	ieee80211_tx_skb(sdata, skb, 0);
+	IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
+	ieee80211_tx_skb(sdata, skb);
 }
 
 int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer,
@@ -974,7 +975,8 @@
 	skb_put(skb, ieee80211_build_preq_ies(local, pos, ie, ie_len,
 					      local->hw.conf.channel->band));
 
-	ieee80211_tx_skb(sdata, skb, 0);
+	IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
+	ieee80211_tx_skb(sdata, skb);
 }
 
 u32 ieee80211_sta_get_rates(struct ieee80211_local *local,