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-rw-r--r--net/ipv4/netfilter/ipt_TTL.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/ipv4/netfilter/ipt_TTL.c b/net/ipv4/netfilter/ipt_TTL.c
index 214d9d9c428f..96e79cc6d0f2 100644
--- a/net/ipv4/netfilter/ipt_TTL.c
+++ b/net/ipv4/netfilter/ipt_TTL.c
@@ -54,8 +54,8 @@ ipt_ttl_target(struct sk_buff **pskb,
54 } 54 }
55 55
56 if (new_ttl != iph->ttl) { 56 if (new_ttl != iph->ttl) {
57 iph->check = nf_csum_update((iph->ttl << 8) ^ 0xFFFF, 57 iph->check = nf_csum_update(ntohs((iph->ttl << 8)) ^ 0xFFFF,
58 new_ttl << 8, 58 ntohs(new_ttl << 8),
59 iph->check); 59 iph->check);
60 iph->ttl = new_ttl; 60 iph->ttl = new_ttl;
61 } 61 }