static inline struct sk_buff *bt_skb_alloc(unsigned int len, int how)
static inline struct sk_buff *bt_skb_alloc(unsigned int len, unsigned int __nocast how)
static inline struct sk_buff *bt_skb_alloc(unsigned int len, int how){	struct sk_buff *skb;	if ((skb = alloc_skb(len + BT_SKB_RESERVE, how))) {		skb_reserve(skb, BT_SKB_RESERVE);		bt_cb(skb)->incoming  = 0;	}	return skb;}