/* rtllib_softmac.c */
extern short rtllib_is_54g(struct rtllib_network *net);
-extern short rtllib_is_shortslot(struct rtllib_network net);
+extern short rtllib_is_shortslot(const struct rtllib_network *net);
extern int rtllib_rx_frame_softmac(struct rtllib_device *ieee,
struct sk_buff *skb,
struct rtllib_rx_stats *rx_stats, u16 type,