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From: Pablo Neira Ayuso <pablo@netfilter.org>
To: Pavel Tikhomirov <ptikhomirov@virtuozzo.com>
Cc: "David S. Miller" <davem@davemloft.net>,
	Eric Leblond <eric@inl.fr>, Patrick McHardy <kaber@trash.net>,
	Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>,
	netfilter-devel@vger.kernel.org, coreteam@netfilter.org,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	Pavel Emelyanov <xemul@virtuozzo.com>,
	Konstantin Khorenko <khorenko@virtuozzo.com>,
	devel@openvz.org
Subject: Re: [PATCH v2] netfilter: nf_log: fix error on write NONE to logger choice sysctl
Date: Wed, 6 Jul 2016 11:22:10 +0200	[thread overview]
Message-ID: <20160706092156.GA950@salvia> (raw)
In-Reply-To: <1467381234-20364-1-git-send-email-ptikhomirov@virtuozzo.com>

On Fri, Jul 01, 2016 at 04:53:54PM +0300, Pavel Tikhomirov wrote:
> It is hard to unbind nf-logger:
> 
>   echo NONE > /proc/sys/net/netfilter/nf_log/0
>   bash: echo: write error: No such file or directory
> 
>   sysctl -w net.netfilter.nf_log.0=NONE
>   sysctl: setting key "net.netfilter.nf_log.0": No such file or directory
>   net.netfilter.nf_log.0 = NONE
> 
> You need explicitly send '\0', for instance like:
> 
>   echo -e "NONE\0" > /proc/sys/net/netfilter/nf_log/0
> 
> That seem to be strange, so fix it using proc_dostring.
> 
> Now it works fine:
>    modprobe nfnetlink_log
>    echo nfnetlink_log > /proc/sys/net/netfilter/nf_log/0
>    cat /proc/sys/net/netfilter/nf_log/0
>    nfnetlink_log
>    echo NONE > /proc/sys/net/netfilter/nf_log/0
>    cat /proc/sys/net/netfilter/nf_log/0
>    NONE

Applied, thanks.

      reply	other threads:[~2016-07-06  9:22 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-07-01 13:16 [PATCH] netfilter: nf_log: fix error on write NONE to logger choice sysctl Pavel Tikhomirov
2016-07-01 13:53 ` [PATCH v2] " Pavel Tikhomirov
2016-07-06  9:22   ` Pablo Neira Ayuso [this message]

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