39 static inline struct can_skb_priv *can_skb_prv(struct sk_buff *skb)  in can_skb_prv()  argument
41 	return (struct can_skb_priv *)(skb->head);  in can_skb_prv()
44 static inline void can_skb_reserve(struct sk_buff *skb)  in can_skb_reserve()  argument
46 	skb_reserve(skb, sizeof(struct can_skb_priv));  in can_skb_reserve()
49 static inline void can_skb_set_owner(struct sk_buff *skb, struct sock *sk)  in can_skb_set_owner()  argument
53 		skb->destructor = sock_efree;  in can_skb_set_owner()
54 		skb->sk = sk;  in can_skb_set_owner()
61 static inline struct sk_buff *can_create_echo_skb(struct sk_buff *skb)  in can_create_echo_skb()  argument
63 	if (skb_shared(skb)) {  in can_create_echo_skb()
64 		struct sk_buff *nskb = skb_clone(skb, GFP_ATOMIC);  in can_create_echo_skb()
67 			can_skb_set_owner(nskb, skb->sk);  in can_create_echo_skb()
68 			consume_skb(skb);  in can_create_echo_skb()
71 			kfree_skb(skb);  in can_create_echo_skb()
77 	return skb;  in can_create_echo_skb()