netdev - Re: [GENETLINK]: Fix race in genl_unregister_mc

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Message-ID: <20070724215113.GF9285@postel.suug.ch>
Date:	Tue, 24 Jul 2007 23:51:13 +0200
From:	Thomas Graf <tgraf@...g.ch>
To:	Brian Haley <brian.haley@...com>
Cc:	davem@...emloft.net, johannes@...solutions.net,
	netdev@...r.kernel.org
Subject: Re: [GENETLINK]: Fix race in genl_unregister_mc_groups()

* Brian Haley <brian.haley@...com> 2007-07-24 12:14
> Thomas Graf wrote:
> >@@ -217,14 +229,8 @@ EXPORT_SYMBOL(genl_register_mc_group);
> > void genl_unregister_mc_group(struct genl_family *family,
> > 			      struct genl_multicast_group *grp)
> > {
> >-	BUG_ON(grp->family != family);
> > 	genl_lock();
> >-	netlink_clear_multicast_users(genl_sock, grp->id);
> >-	clear_bit(grp->id, mc_groups);
> >-	list_del(&grp->list);
> >-	genl_ctrl_event(CTRL_CMD_DELMCAST_GRP, grp);
> >-	grp->id = 0;
> >-	grp->family = NULL;
> >+	genl_unregister_mc_group(family, grp);
> > 	genl_unlock();
> > }
> 
> Shouldn't this be __genl_unregister_mc_group(family, grp) ?

Yes, thank for you noticing.
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