On Sat, Nov 24, 2018 at 8:58 PM David Miller [off-list ref] wrote:

From: Willem de Bruijn <willemdebruijn.kernel@gmail.com>
Date: Sat, 24 Nov 2018 14:24:30 -0500

quoted

diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index c09219e7f230..2d1e4b67a1e8 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c

@@ -868,6 +868,7 @@ static int __ip_append_data(struct sock *sk,
 {
      struct inet_sock *inet = inet_sk(sk);
      struct sk_buff *skb;
+     struct ubuf_info *uarg = NULL;

Reverse christmas tree, please.

Oh right, sorry.

Will wait with v2 for a day or two, in case anyone else has comments.
Thanks for the quick review!