diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-02-14 14:38:30 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-02-14 14:38:30 -0800 |
| commit | 172ad9af55d236cb124d67de7314a90dedb50df1 (patch) | |
| tree | ab225ebb0bcab867305fec87308bda97ca060102 /net/netfilter/xt_TCPMSS.c | |
| parent | a44007a42dfd8e487537c7b1f8045577b28a4d95 (diff) | |
| parent | 18558cae0272f8fd9647e69d3fec1565a7949865 (diff) | |
Merge 4.5-rc4 into usb-next
We want the USB fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/netfilter/xt_TCPMSS.c')
| -rw-r--r-- | net/netfilter/xt_TCPMSS.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/net/netfilter/xt_TCPMSS.c b/net/netfilter/xt_TCPMSS.c index b7c43def0dc6..e118397254af 100644 --- a/net/netfilter/xt_TCPMSS.c +++ b/net/netfilter/xt_TCPMSS.c @@ -228,7 +228,7 @@ tcpmss_tg6(struct sk_buff *skb, const struct xt_action_param *par) { struct ipv6hdr *ipv6h = ipv6_hdr(skb); u8 nexthdr; - __be16 frag_off; + __be16 frag_off, oldlen, newlen; int tcphoff; int ret; @@ -244,7 +244,12 @@ tcpmss_tg6(struct sk_buff *skb, const struct xt_action_param *par) return NF_DROP; if (ret > 0) { ipv6h = ipv6_hdr(skb); - ipv6h->payload_len = htons(ntohs(ipv6h->payload_len) + ret); + oldlen = ipv6h->payload_len; + newlen = htons(ntohs(oldlen) + ret); + if (skb->ip_summed == CHECKSUM_COMPLETE) + skb->csum = csum_add(csum_sub(skb->csum, oldlen), + newlen); + ipv6h->payload_len = newlen; } return XT_CONTINUE; } |