From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH net-next-2.6] econet: fix locking Date: Fri, 11 Jun 2010 18:39:24 -0700 (PDT) Message-ID: <20100611.183924.45886086.davem@davemloft.net> References: <1276137185.2475.19.camel@edumazet-laptop> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org To: eric.dumazet@gmail.com Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:42288 "EHLO sunset.davemloft.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751532Ab0FLBjN (ORCPT ); Fri, 11 Jun 2010 21:39:13 -0400 In-Reply-To: <1276137185.2475.19.camel@edumazet-laptop> Sender: netdev-owner@vger.kernel.org List-ID: From: Eric Dumazet Date: Thu, 10 Jun 2010 04:33:05 +0200 > econet lacks proper locking. It holds econet_lock only when inserting or > deleting an entry in econet_sklist, not during lookups. > > - convert econet_lock from rwlock to spinlock > > - use econet_lock in ec_listening_socket() lookup > > - use appropriate sock_hold() / sock_put() to avoid corruptions. > > Signed-off-by: Eric Dumazet Applied, thanks.