[PATCH] net/mac80211/wme.c: fix sparse warning

wme.c triggers a sparse warning; it wasn't noticed before because until
recently ARRAY_SIZE triggered a sparse error.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/mac80211/wme.c b/net/mac80211/wme.c
index 89ce815..7ab82b3 100644
--- a/net/mac80211/wme.c
+++ b/net/mac80211/wme.c
@@ -424,7 +424,7 @@
 		skb_queue_head_init(&q->requeued[i]);
 		q->queues[i] = qdisc_create_dflt(qd->dev, &pfifo_qdisc_ops,
 						 qd->handle);
-		if (q->queues[i] == 0) {
+		if (!q->queues[i]) {
 			q->queues[i] = &noop_qdisc;
 			printk(KERN_ERR "%s child qdisc %i creation failed", dev->name, i);
 		}