wireless: fix warning introduced by "mac80211: QoS related cleanups"

net/mac80211/wme.c: In function ‘wme_qdiscop_enqueue’:
net/mac80211/wme.c:219: warning: comparison is always false due to limited range of data type

drivers/net/wireless/p54/p54common.c: In function ‘p54_conf_tx’:
drivers/net/wireless/p54/p54common.c:947: warning: comparison is always false due to limited range of data type

Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/mac80211/wme.c b/net/mac80211/wme.c
index 5eddf1f..b1e20ca 100644
--- a/net/mac80211/wme.c
+++ b/net/mac80211/wme.c
@@ -216,20 +216,15 @@
 		rcu_read_unlock();
 	}
 
-	if (unlikely(queue < 0)) {
-			kfree_skb(skb);
-			err = NET_XMIT_DROP;
-	} else {
-		tid = skb->priority & QOS_CONTROL_TAG1D_MASK;
-		pkt_data->queue = (unsigned int) queue;
-		qdisc = q->queues[queue];
-		err = qdisc->enqueue(skb, qdisc);
-		if (err == NET_XMIT_SUCCESS) {
-			qd->q.qlen++;
-			qd->bstats.bytes += skb->len;
-			qd->bstats.packets++;
-			return NET_XMIT_SUCCESS;
-		}
+	tid = skb->priority & QOS_CONTROL_TAG1D_MASK;
+	pkt_data->queue = (unsigned int) queue;
+	qdisc = q->queues[queue];
+	err = qdisc->enqueue(skb, qdisc);
+	if (err == NET_XMIT_SUCCESS) {
+		qd->q.qlen++;
+		qd->bstats.bytes += skb->len;
+		qd->bstats.packets++;
+		return NET_XMIT_SUCCESS;
 	}
 	qd->qstats.drops++;
 	return err;