--- zzzz-none-000/linux-3.10.107/include/linux/can/skb.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/include/linux/can/skb.h	2021-02-04 17:41:59.000000000 +0000
@@ -7,8 +7,8 @@
  *
  */
 
-#ifndef CAN_SKB_H
-#define CAN_SKB_H
+#ifndef _CAN_SKB_H
+#define _CAN_SKB_H
 
 #include <linux/types.h>
 #include <linux/skbuff.h>
@@ -27,10 +27,12 @@
 /**
  * struct can_skb_priv - private additional data inside CAN sk_buffs
  * @ifindex:	ifindex of the first interface the CAN frame appeared on
+ * @skbcnt:	atomic counter to have an unique id together with skb pointer
  * @cf:		align to the following CAN frame at skb->data
  */
 struct can_skb_priv {
 	int ifindex;
+	int skbcnt;
 	struct can_frame cf[0];
 };
 
@@ -44,16 +46,11 @@
 	skb_reserve(skb, sizeof(struct can_skb_priv));
 }
 
-static inline void can_skb_destructor(struct sk_buff *skb)
-{
-	sock_put(skb->sk);
-}
-
 static inline void can_skb_set_owner(struct sk_buff *skb, struct sock *sk)
 {
 	if (sk) {
 		sock_hold(sk);
-		skb->destructor = can_skb_destructor;
+		skb->destructor = sock_efree;
 		skb->sk = sk;
 	}
 }
@@ -80,4 +77,4 @@
 	return skb;
 }
 
-#endif /* CAN_SKB_H */
+#endif /* !_CAN_SKB_H */