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-rw-r--r--net/netfilter/nf_nat_helper.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/netfilter/nf_nat_helper.c b/net/netfilter/nf_nat_helper.c
index 5fea563afe30..85e20a919081 100644
--- a/net/netfilter/nf_nat_helper.c
+++ b/net/netfilter/nf_nat_helper.c
@@ -104,7 +104,7 @@ static void mangle_contents(struct sk_buff *skb,
/* move post-replacement */
memmove(data + match_offset + rep_len,
data + match_offset + match_len,
- skb->tail - (skb->network_header + dataoff +
+ skb_tail_pointer(skb) - (skb_network_header(skb) + dataoff +
match_offset + match_len));
/* insert data from buffer */