From 102a0743326a03cd1a1202ceda21e175b7d3575c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:20:52 +0000
Subject: [PATCH] add new system file

---
 kernel/net/ipv4/ip_gre.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/net/ipv4/ip_gre.c b/kernel/net/ipv4/ip_gre.c
index 65ead8a..9d1a506 100644
--- a/kernel/net/ipv4/ip_gre.c
+++ b/kernel/net/ipv4/ip_gre.c
@@ -547,7 +547,7 @@
 		truncate = true;
 	}
 
-	nhoff = skb_network_header(skb) - skb_mac_header(skb);
+	nhoff = skb_network_offset(skb);
 	if (skb->protocol == htons(ETH_P_IP) &&
 	    (ntohs(ip_hdr(skb)->tot_len) > skb->len - nhoff))
 		truncate = true;
@@ -556,7 +556,7 @@
 		int thoff;
 
 		if (skb_transport_header_was_set(skb))
-			thoff = skb_transport_header(skb) - skb_mac_header(skb);
+			thoff = skb_transport_offset(skb);
 		else
 			thoff = nhoff + sizeof(struct ipv6hdr);
 		if (ntohs(ipv6_hdr(skb)->payload_len) > skb->len - thoff)

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