We don't need "sdata" any more after:
	d84f323477260e773d5317ad7cbe50f76115cb47
	mac80211: remove dev_hold/put calls
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
                while (!skb_queue_empty(&local->pending[i])) {
                        struct sk_buff *skb = __skb_dequeue(&local->pending[i]);
                        struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
-                       struct ieee80211_sub_if_data *sdata;
 
                        if (WARN_ON(!info->control.vif)) {
                                kfree_skb(skb);
                                continue;
                        }
 
-                       sdata = vif_to_sdata(info->control.vif);
                        spin_unlock_irqrestore(&local->queue_stop_reason_lock,
                                                flags);