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>

drivers/net/wireless/p54/p54common.c

@@ -944,7 +944,7 @@ static int p54_conf_tx(struct ieee80211_hw *dev, u16 queue,
 	vdcf = (struct p54_tx_control_vdcf *)(((struct p54_control_hdr *)
 		((void *)priv->cached_vdcf + priv->tx_hdr_len))->data);
 
-	if ((params) && !((queue < 0) || (queue > 4))) {
+	if ((params) && !(queue > 4)) {
 		P54_SET_QUEUE(vdcf->queue[queue], params->aifs,
 			params->cw_min, params->cw_max, params->txop);
 	} else

net/mac80211/wme.c

@@ -216,20 +216,15 @@ static int wme_qdiscop_enqueue(struct sk_buff *skb, struct Qdisc* qd)
 		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;