From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: Fri, 11 Aug 2017 16:14:09 +0000 (-0700)
Subject: revert "net: account for current skb length when deciding about UFO"
X-Git-Tag: C0P2-H0.0--20200415~7799
X-Git-Url: https://git.somdevices.com/?a=commitdiff_plain;h=53eed8aadc58a5c2b1563d8755d8546c88222f0c;p=linux.git

revert "net: account for current skb length when deciding about UFO"

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 <mkubecek@suse.cz>
Cc: Vlad Yasevich <vyasevic@redhat.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 06215ba88b93..e65bceae823b 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -936,8 +936,7 @@ static int __ip_append_data(struct sock *sk,
 		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) {
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index a5cdf2a23609..efe811c6eccf 100644
--- 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 &&