From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9D73CC433FE for ; Wed, 27 Oct 2021 08:15:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 858A560F9D for ; Wed, 27 Oct 2021 08:15:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238705AbhJ0IRd (ORCPT ); Wed, 27 Oct 2021 04:17:33 -0400 Received: from mail.kernel.org ([198.145.29.99]:47996 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231715AbhJ0IRb (ORCPT ); Wed, 27 Oct 2021 04:17:31 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 72CC260C40; Wed, 27 Oct 2021 08:15:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1635322506; bh=X4JuOwCZnQSrdHtwxGd5ZSp8ZTiooFZT+7jB1hU+VQo=; h=Date:From:To:cc:Subject:In-Reply-To:References:From; b=EN7jmDW0tomOx7Xog/AHcXkUIZ726ZD5ezc0KfilMWo4ZgwwDoIHgHzZ2PnZNlh7w 01wZlWOBlJ5afZxigypsRCKOXPf9UcKglDRDJlU00IV2nnqnRH9s6m7G8cX+r7o1Uy qvz4vKSd2hAvc3c/JY9had1gUE70tNFwLdMJ2mzR1sCtJLd8DGm/pJYFOQJJAS+SaK mlwHoyRryUv6lvTroTIwR9k1RL/+v3QTd5kSE2zqcSYeK0U+rIyYuMQRV63qN34fEw KY4/otaDgdtgabgsBzkiZKLSdGrC9lhUyn4ofimub1m7g9OQrIXYR7kkwxD0oaBYQk 3kZl9RuSoV1ew== Date: Wed, 27 Oct 2021 10:15:02 +0200 (CEST) From: Jiri Kosina To: Jason Gerecke cc: Dmitry Torokhov , Ping Cheng , Benjamin Tissoires , Benjamin Tissoires , Linux Input , LKML , Aaron Skomra , "Dickens, Joshua" , Cai Huoqing Subject: Re: [PATCH] HID: wacom: Make use of the helper function devm_add_action_or_reset() In-Reply-To: Message-ID: References: <20210922125939.427-1-caihuoqing@baidu.com> <20211015025815.GA3874@LAPTOP-UKSR4ENP.internal.baidu.com> User-Agent: Alpine 2.21 (LSU 202 2017-01-01) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 26 Oct 2021, Jason Gerecke wrote: > Following up on this. I took a second look at the shared struct, and > believe that things should work fine during initialization and > steady-state. There are, however, opportunities for e.g. one > device/thread to be removed and set e.g. `shared->touch = NULL` while a > second device/thread is attempting to send an event out of that device. > This is going to be very rare and only on disconnect, which is probably > why we've never received reports of real-world issues. > > This shared issue is present with or without the changes by Cai and > myself. I would ask that these two patches be merged Now applied. Thanks, -- Jiri Kosina SUSE Labs