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_tunnel_core.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/kernel/net/ipv4/ip_tunnel_core.c b/kernel/net/ipv4/ip_tunnel_core.c
index 4b74c67..da9a55c 100644
--- a/kernel/net/ipv4/ip_tunnel_core.c
+++ b/kernel/net/ipv4/ip_tunnel_core.c
@@ -224,7 +224,7 @@
 		.un.frag.__unused	= 0,
 		.un.frag.mtu		= ntohs(mtu),
 	};
-	icmph->checksum = ip_compute_csum(icmph, len);
+	icmph->checksum = csum_fold(skb_checksum(skb, 0, len, 0));
 	skb_reset_transport_header(skb);
 
 	niph = skb_push(skb, sizeof(*niph));

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