Received: by 2002:a25:ab43:0:0:0:0:0 with SMTP id u61csp6875247ybi; Wed, 5 Jun 2019 07:44:42 -0700 (PDT) X-Google-Smtp-Source: APXvYqzdMxTYb7MC3XLCuYwE2K5ACbddcWfi+J/kAuuF7csuRSi4+vA90equXyrtphJXdmexXc+r X-Received: by 2002:a17:902:bc83:: with SMTP id bb3mr21538131plb.56.1559745882117; Wed, 05 Jun 2019 07:44:42 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1559745882; cv=none; d=google.com; s=arc-20160816; b=Dt2C8yXLsd2aCc8iWnK5OcaGVmunbWA3n4bU8zbG71NlqF/8vhf00ZJkGTonSpYf4H L/wXTTLu4pJVabeoT0NqSeLQj8A8LSCWNTgNEIBb3WkF9t1C65vl+yJT7ex+T8f541eR Agj92HqszhcZC5XvMoO9f/e/dp78QNqFtQodpnuLkvcawFOh2XLwdS5hGD3+yfKMnS/C yrWj7ezsHZKkeeOtzLbWgaSODIs2OaOUKzyKSfvYW58c6aBHjrQaUm76L128s+iNUfHf cUSU24YNxDTNHKuwu0OiAP8RSuPuqKHWxbe4TGJzrZaAwbbzN6RR87/a22RLVymLJ9Op EF2w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-transfer-encoding:content-disposition:mime-version :references:message-id:subject:cc:to:from:date:dkim-signature; bh=3vFv+9zEqsMX4iOvV90D7yujY9zYQAWPx+3AS1AwwC4=; b=TSiLcmWldQ6XiOzUxFe0iTsRB93WHE9o0c02oAlWNE6cSrT8mWJIbrxdrYwjmo/CQ9 9T7y6Z3ss/NPgpdN0mnVuLcqKjE3Fg0wPYqZRBxv+X1yTcvqX1iUG0uhsVzLfrnq9SfA TvwOzNsmJiUyBrbNkidi7wrx5Mx77DTDWdv0CWhChHaDrufIDfjzIl138Xy2yNxkPy1r ucsgNnq4VhpJTzz3adzxfuEgXPjzNVGdHMdEh5nrJCyHMivFC5xSrYYKJfdlrtFAt8Dg 99m3N3T/bPJLUHEeY8as3bjWXrlF+MRtjLj+KoGgeJZ6omLRFFns8WfE/H8TWo148SBE P/lA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=a48INu+5; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id y1si25237538pjr.109.2019.06.05.07.44.24; Wed, 05 Jun 2019 07:44:42 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=a48INu+5; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728494AbfFEOmp (ORCPT + 99 others); Wed, 5 Jun 2019 10:42:45 -0400 Received: from mail-wm1-f68.google.com ([209.85.128.68]:56032 "EHLO mail-wm1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727960AbfFEOmo (ORCPT ); Wed, 5 Jun 2019 10:42:44 -0400 Received: by mail-wm1-f68.google.com with SMTP id 16so2525843wmg.5; Wed, 05 Jun 2019 07:42:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:content-transfer-encoding:in-reply-to :user-agent; bh=3vFv+9zEqsMX4iOvV90D7yujY9zYQAWPx+3AS1AwwC4=; b=a48INu+57UfDJPyfFCLneJ04BtvLlFadHfCG6hUUgCZsFiMnI+Zd2MnlJGiT3BnXWI m73A4O8U/wNpUIoQYx8AbY6TjCX8CRMzSnJjRAwyUh2V64NQA3PteMsr9X8LYEymzQe4 U7CNJc1FsXVeURBmEowZY8TXxUxGj+/2Dl3P5ORosjcj9DYvKEITnDaO0VvbsWZ9BSAO myMyagp71quqj5Zd47rwP7LCju2MWABgHSIcvokcdtuEsLxYKDtPM6RfaKIm2xF4jTqd 9TEZqUPNANhVoZxcQvRz6zb3kKPx4opJC7G39aX1DUQyYWKKz/GDs9VZ85lTFluVhHhy kXkQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:content-transfer-encoding :in-reply-to:user-agent; bh=3vFv+9zEqsMX4iOvV90D7yujY9zYQAWPx+3AS1AwwC4=; b=QYLaxRXuAC/V1p/KO14Nah37UUeF3kcn4/oPNNWNfz115Uxpp80/MELL2R3dcHkadY Aroq6xMQWSQ+5CH+P4keihnWVZoKST8W5/ZbOBdggucFGrSliSKm+k9xm04CcKPEZupa mxeAW6bUvEvRBX1H3itJP5bEzbwiilujFdGXrF64tWWEN+vXXEdSUUUGMN93/vTIZYvV JosOpbriknefJfYjqHyP+L2doPpmHjasRyVjcxf5+bzeziSX6GYpVzGbMoc6IqJgCwTc a7Ypyw5dwKMl0K2praIOUNwbck//4+6NtsbCwNLDv5Tev155xIy/VvZ/wJqmMoya2GuG RmfQ== X-Gm-Message-State: APjAAAX99Wv/j0dD+Y/lort/HOVGnMczC8pNuswikDQNGu+aCD14DlmB DZ5rXMg/tpMCuAJrWe3FoNY= X-Received: by 2002:a1c:9a16:: with SMTP id c22mr11252035wme.39.1559745762496; Wed, 05 Jun 2019 07:42:42 -0700 (PDT) Received: from pali ([2a02:2b88:2:1::5cc6:2f]) by smtp.gmail.com with ESMTPSA id y12sm18083581wrh.40.2019.06.05.07.42.41 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 05 Jun 2019 07:42:41 -0700 (PDT) Date: Wed, 5 Jun 2019 16:42:40 +0200 From: Pali =?utf-8?B?Um9ow6Fy?= To: Kefeng Wang Cc: linux-kernel@vger.kernel.org, Dmitry Torokhov , linux-input@vger.kernel.org Subject: Re: [PATCH] Input: alps: Drop unlikely before IS_ERR(_OR_NULL) Message-ID: <20190605144240.pfrvlgxsdpacpwxf@pali> References: <20190605142428.84784-1-wangkefeng.wang@huawei.com> <20190605142428.84784-5-wangkefeng.wang@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20190605142428.84784-5-wangkefeng.wang@huawei.com> User-Agent: NeoMutt/20170113 (1.7.2) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wednesday 05 June 2019 22:24:28 Kefeng Wang wrote: > IS_ERR(_OR_NULL) already contain an 'unlikely' compiler flag, > so no need to do that again from its callers. Drop it. Hi! I already reviewed this patch and rejected it, see: https://patchwork.kernel.org/patch/10817475/ > Cc: "Pali Rohár" > Cc: Dmitry Torokhov > Cc: linux-input@vger.kernel.org > Signed-off-by: Kefeng Wang > --- > drivers/input/mouse/alps.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c > index 0a6f7ca883e7..791ef0f826c5 100644 > --- a/drivers/input/mouse/alps.c > +++ b/drivers/input/mouse/alps.c > @@ -1478,7 +1478,7 @@ static void alps_report_bare_ps2_packet(struct psmouse *psmouse, > /* On V2 devices the DualPoint Stick reports bare packets */ > dev = priv->dev2; > dev2 = psmouse->dev; > - } else if (unlikely(IS_ERR_OR_NULL(priv->dev3))) { > + } else if (IS_ERR_OR_NULL(priv->dev3)) { > /* Register dev3 mouse if we received PS/2 packet first time */ > if (!IS_ERR(priv->dev3)) > psmouse_queue_work(psmouse, &priv->dev3_register_work, -- Pali Rohár pali.rohar@gmail.com