From mboxrd@z Thu Jan 1 00:00:00 1970 From: Brian Haley Subject: Re: [GENETLINK]: Fix race in genl_unregister_mc_groups() Date: Tue, 24 Jul 2007 12:14:28 -0400 Message-ID: <46A62564.3070006@hp.com> References: <20070724094557.GE9285@postel.suug.ch> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Cc: davem@davemloft.net, johannes@sipsolutions.net, netdev@vger.kernel.org To: Thomas Graf Return-path: Received: from atlrel6.hp.com ([156.153.255.205]:54428 "EHLO atlrel6.hp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752651AbXGXQbw (ORCPT ); Tue, 24 Jul 2007 12:31:52 -0400 In-Reply-To: <20070724094557.GE9285@postel.suug.ch> Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org 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) ? -Brian