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Date:   Tue, 30 Apr 2019 14:31:02 +0200
From:   Pablo Neira Ayuso <>
To:     Arnd Bergmann <>
Cc:     Jozsef Kadlecsik <>,
        Florian Westphal <>,
        "David S. Miller" <>,,,,
Subject: Re: [PATCH] netfilter: nat: avoid unused-variable warning

On Mon, Mar 25, 2019 at 02:53:05PM +0100, Arnd Bergmann wrote:
> masq_refcnt6 was added at the start of the file, but it is
> only used in the option IPv6 section of the file, causing
> a harmless compiler warning if IPv6 is disabled:
> net/netfilter/nf_nat_masquerade.c:15:21: error: 'masq_refcnt6' defined but not used [-Werror=unused-variable]
>  static unsigned int masq_refcnt6 __read_mostly;
> Move the variable next to the user to avoid that warning.
> Fixes: 46f7487e161b ("netfilter: nat: don't register device notifier twice")
> Signed-off-by: Arnd Bergmann <>
> ----
> This is an older patch stack, for some reason I seem to have never
> sent it, and I can't find any indication of anyone else sending
> a similar fix, so sending this out now.
> If it's already fixed upstream, please ignore.

Yes, Florian fixed this in nf-next.

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