4.9-stable review patch. If anyone has any objections, please let me know.
------------------ This reverts commit ef09c9ff343122a0b245416066992d096416ff19 which is commit a5cb659bbc1c8644efa0c3138a757a1e432a4880 upstream as it causes merge issues with later patches that are much more important... Cc: Michal Kubecek <[email protected]> Cc: Vlad Yasevich <[email protected]> Cc: David S. Miller <[email protected]> Cc: Sasha Levin <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- net/ipv4/ip_output.c | 3 +-- net/ipv6/ip6_output.c | 2 +- 2 files changed, 2 insertions(+), 3 deletions(-) --- a/net/ipv4/ip_output.c +++ b/net/ipv4/ip_output.c @@ -936,8 +936,7 @@ static int __ip_append_data(struct sock csummode = CHECKSUM_PARTIAL; cork->length += length; - if ((((length + (skb ? skb->len : fragheaderlen)) > mtu) || - (skb && skb_is_gso(skb))) && + if ((((length + fragheaderlen) > mtu) || (skb && skb_is_gso(skb))) && (sk->sk_protocol == IPPROTO_UDP) && (rt->dst.dev->features & NETIF_F_UFO) && !rt->dst.header_len && (sk->sk_type == SOCK_DGRAM) && !sk->sk_no_check_tx) { --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -1372,7 +1372,7 @@ emsgsize: */ cork->length += length; - if ((((length + (skb ? skb->len : headersize)) > mtu) || + if ((((length + fragheaderlen) > mtu) || (skb && skb_is_gso(skb))) && (sk->sk_protocol == IPPROTO_UDP) && (rt->dst.dev->features & NETIF_F_UFO) && !rt->dst.header_len &&
