linux-kernel - Re: [PATCH] net: udp: remove redundant initialization in udp_gro

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Message-ID: <20201109102841.2d807fd6@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com>
Date:   Mon, 9 Nov 2020 10:28:41 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     menglong8.dong@...il.com
Cc:     davem@...emloft.net, kuznet@....inr.ac.ru, yoshfuji@...ux-ipv6.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        Menglong Dong <dong.menglong@....com.cn>
Subject: Re: [PATCH] net: udp: remove redundant initialization in
 udp_gro_complete

On Fri,  6 Nov 2020 01:42:39 -0500 menglong8.dong@...il.com wrote:
>  {
>  	__be16 newlen = htons(skb->len - nhoff);
>  	struct udphdr *uh = (struct udphdr *)(skb->data + nhoff);
> -	int err = -ENOSYS;
> +	int err;
>  	struct sock *sk;

You can also move the err declaration below struct sock *sk; to get
this closer to revert xmas tree order. In other patches it'd increase
change / potential conflict radius but here the correct position is
close enough so we can move.