We can't use skb_reset_transport_header() together with skb_put() to set skb->transport_header field because skb_put() does not touch skb->data.
Do this same way as we did for csum_data in code below: substract skb->head from tcph. Signed-off-by: Serhey Popovych <[email protected]> --- net/ipv4/netfilter/nf_reject_ipv4.c | 2 +- net/ipv6/netfilter/nf_reject_ipv6.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/net/ipv4/netfilter/nf_reject_ipv4.c b/net/ipv4/netfilter/nf_reject_ipv4.c index 5cd06ba..6698cb3 100644 --- a/net/ipv4/netfilter/nf_reject_ipv4.c +++ b/net/ipv4/netfilter/nf_reject_ipv4.c @@ -75,8 +75,8 @@ void nf_reject_ip_tcphdr_put(struct sk_buff *nskb, const struct sk_buff *oldskb, struct iphdr *niph = ip_hdr(nskb); struct tcphdr *tcph; - skb_reset_transport_header(nskb); tcph = skb_put_zero(nskb, sizeof(struct tcphdr)); + nskb->transport_header = (unsigned char *)tcph - nskb->head; tcph->source = oth->dest; tcph->dest = oth->source; tcph->doff = sizeof(struct tcphdr) / 4; diff --git a/net/ipv6/netfilter/nf_reject_ipv6.c b/net/ipv6/netfilter/nf_reject_ipv6.c index 2485840..e9ae4d2 100644 --- a/net/ipv6/netfilter/nf_reject_ipv6.c +++ b/net/ipv6/netfilter/nf_reject_ipv6.c @@ -94,8 +94,8 @@ void nf_reject_ip6_tcphdr_put(struct sk_buff *nskb, struct tcphdr *tcph; int needs_ack; - skb_reset_transport_header(nskb); tcph = skb_put(nskb, sizeof(struct tcphdr)); + nskb->transport_header = (unsigned char *)tcph - nskb->head; /* Truncate to length (no data) */ tcph->doff = sizeof(struct tcphdr)/4; tcph->source = oth->dest; -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
