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Message-ID: <4AF43EF9.3020707@trash.net> Date: Fri, 06 Nov 2009 16:21:29 +0100 From: Patrick McHardy <kaber@...sh.net> To: Johannes Berg <johannes@...solutions.net> CC: netdev <netdev@...r.kernel.org>, Jouni Malinen <j@...fi>, Thomas Graf <tgraf@...g.ch> Subject: Re: [RFC] netlink: add socket destruction notification Johannes Berg wrote: > When we want to keep track of resources associated with applications, we > need to know when an app is going away. Add a notification function to > netlink that tells us that, and also hook it up to generic netlink so > generic netlink can notify the families. Due to the way generic netlink > works though, we need to notify all families and they have to sort out > whatever resources some commands associated with the socket themselves. > > @@ -166,6 +167,9 @@ static void netlink_sock_destruct(struct > return; > } > > + if (nlk->destruct) > + nlk->destruct(sk); > + > WARN_ON(atomic_read(&sk->sk_rmem_alloc)); > WARN_ON(atomic_read(&sk->sk_wmem_alloc)); > WARN_ON(nlk_sk(sk)->groups); This seems pretty similar to the NETLINK_URELEASE notifier invoked in netlink_release(). Wouldn't that one work as well? -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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