diff
4   struct inet6_dev *idev = ip6_dst_idev(skb_dst(skb));
---
4   struct inet6_dev *idev = ip6_dst_idev(skb_dst(skb));
5   if (!idev) {
6       pr_err("IPv6 device configuration not found\n");
7       return -ENODEV; // Log an error message and return an error code
8   }
