From: David Miller <davem@davemloft.net>
To: sd@queasysnail.net
Cc: cwang@twopensource.com, netdev@vger.kernel.org,
hannes@stressinduktion.org
Subject: Re: [PATCH v2 net] ipv6: clean up anycast when an interface is destroyed
Date: Fri, 12 Sep 2014 17:33:28 -0400 (EDT) [thread overview]
Message-ID: <20140912.173328.853747388797023828.davem@davemloft.net> (raw)
In-Reply-To: <20140910212302.GA26184@kria>
From: Sabrina Dubroca <sd@queasysnail.net>
Date: Wed, 10 Sep 2014 23:23:02 +0200
> If we try to rmmod the driver for an interface while sockets with
> setsockopt(JOIN_ANYCAST) are alive, some refcounts aren't cleaned up
> and we get stuck on:
>
> unregister_netdevice: waiting for ens3 to become free. Usage count = 1
>
> If we LEAVE_ANYCAST/close everything before rmmod'ing, there is no
> problem.
>
> We need to perform a cleanup similar to the one for multicast in
> addrconf_ifdown(how == 1).
>
> Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
> ---
> v2: remove comment
Applied, thank you.
prev parent reply other threads:[~2014-09-12 21:33 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-10 10:27 [PATCH net] ipv6: clean up anycast when an interface is destroyed Sabrina Dubroca
2014-09-10 17:15 ` Cong Wang
2014-09-10 20:58 ` David Miller
2014-09-10 21:23 ` [PATCH v2 " Sabrina Dubroca
2014-09-12 19:45 ` Hannes Frederic Sowa
2014-09-12 21:33 ` David Miller [this message]
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