struct ieee80211softmac_device *softmac;
struct net_device *dev;
- dev = alloc_ieee80211(sizeof(struct ieee80211softmac_device) + sizeof_priv);
+ dev = alloc_ieee80211(sizeof(*softmac) + sizeof_priv);
+ if (!dev)
+ return NULL;
+
softmac = ieee80211_priv(dev);
softmac->dev = dev;
softmac->ieee = netdev_priv(dev);