From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753822AbcK0Uos (ORCPT ); Sun, 27 Nov 2016 15:44:48 -0500 Received: from shards.monkeyblade.net ([184.105.139.130]:58252 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752693AbcK0Uol (ORCPT ); Sun, 27 Nov 2016 15:44:41 -0500 Date: Sun, 27 Nov 2016 15:44:39 -0500 (EST) Message-Id: <20161127.154439.845919200540679482.davem@davemloft.net> To: mst@redhat.com Cc: linux-kernel@vger.kernel.org, netdev@vger.kernel.org Subject: Re: [PATCH] netdevice: fix sparse warning for HARD_TX_LOCK From: David Miller In-Reply-To: <1479963754-24105-1-git-send-email-mst@redhat.com> References: <1479963754-24105-1-git-send-email-mst@redhat.com> X-Mailer: Mew version 6.7 on Emacs 25.1 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Sun, 27 Nov 2016 11:45:16 -0800 (PST) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: "Michael S. Tsirkin" Date: Thu, 24 Nov 2016 07:04:08 +0200 > sparse warns about context imbalance in any code > that uses HARD_TX_LOCK/UNLOCK - this is because it's > unable to determine that flags don't change so > lock and unlock are paired. > > Seems easy enough to fix by adding __acquire/__release > calls. > > With this patch af_packet.c is now sparse-clean, > > Signed-off-by: Michael S. Tsirkin Applied to net-next, thanks.