From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [Patch net-next] llc: avoid blocking in llc_sap_close() Date: Thu, 13 Sep 2018 09:05:27 -0700 (PDT) Message-ID: <20180913.090527.689268404218302814.davem@davemloft.net> References: <20180911184206.8461-1-xiyou.wangcong@gmail.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org To: xiyou.wangcong@gmail.com Return-path: Received: from shards.monkeyblade.net ([23.128.96.9]:50474 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727358AbeIMVPg (ORCPT ); Thu, 13 Sep 2018 17:15:36 -0400 In-Reply-To: <20180911184206.8461-1-xiyou.wangcong@gmail.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Cong Wang Date: Tue, 11 Sep 2018 11:42:06 -0700 > llc_sap_close() is called by llc_sap_put() which > could be called in BH context in llc_rcv(). We can't > block in BH. > > There is no reason to block it here, kfree_rcu() should > be sufficient. > > Signed-off-by: Cong Wang Applied, thanks Cong.