Received: by 2002:a05:6a10:22f:0:0:0:0 with SMTP id 15csp428509pxk; Thu, 17 Sep 2020 06:55:58 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwQbYEcKOHkW3tQ9eOHJ1o9GkjaCEzA+r3sLvlecHbLwLrkYDFepm8hUD+z+P0UX/FaLWGI X-Received: by 2002:a17:906:11d2:: with SMTP id o18mr30073864eja.420.1600350958260; Thu, 17 Sep 2020 06:55:58 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1600350958; cv=none; d=google.com; s=arc-20160816; b=JPYQt3CvvyQqwMud3vAtcpPSd4A996FI/ps9Doei1tMYb2vn3BhnfL40EUD+DsGVgm Bi1toxDbzqdfwNCKtLX2/eH4o4UePvir8xuwGxMUJeMj6jvhGnvHn0LpYKBt9pVYyAmz f8WMLWL5QbCeWJyms8ueUSKhqaIkMMUyzaKstdP4HfYxiA91nPSevAma3ZGeUwcxmbxj rNvWEcqBZT1q4vItx4ExYplUYOKUABmFjNtNCLAlZ0siUrcjLk8TbuCftRHxUQ4vKniN fAEHcw5QY2fyKvYXmpSd3XFsomVSyJzpGmpQlXDxTLbrV9sZ5TqAjSQ1E+kk1dPiUnuZ WroA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:cc:to:subject:message-id:date:from:in-reply-to :references:mime-version:dkim-signature; bh=KPaE7MzGUy8EbIKncE+ieqkHzqJTXMjDit15B2UGepg=; b=PvSOWxu/47XQJ8ib9p/DntqpcIE1r4ofx6qBQ1Kba9JLJy8yLsE508lL0GMxxHOoqm xCjwl5mAEqrhEl5KGN4+FDZGgrJmyN+hAMfXFsYqUOU/Xh7/bFX7e92OfWNp6cnDyQG3 umFpxt5wE9Hi7CFgYOqXDjdTvoNDZLlHkPpIy7bzc4csYkcUlaMFJIE+2iqSfWCInW+G uKtZbvVeSA42L3Frr7OQWf5wA0QxuD51XKf5h6PYP3hkaKhGwIS4KnoiqdkSMyaj6S1g 1lmDIPcoRfhzewt0AVZKwxJ7hNxW1W/+lgxMpGwNy11ed0sld7m3BWg+bPz4BfoXKtOi Z1sw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=a7Tbc5qC; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 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. [23.128.96.18]) by mx.google.com with ESMTP id d9si12909638ejb.273.2020.09.17.06.55.32; Thu, 17 Sep 2020 06:55:58 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=a7Tbc5qC; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 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 S1726843AbgIQNxk (ORCPT + 99 others); Thu, 17 Sep 2020 09:53:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52772 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726783AbgIQNut (ORCPT ); Thu, 17 Sep 2020 09:50:49 -0400 Received: from mail-pf1-x442.google.com (mail-pf1-x442.google.com [IPv6:2607:f8b0:4864:20::442]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C3DD9C061D73; Thu, 17 Sep 2020 06:50:24 -0700 (PDT) Received: by mail-pf1-x442.google.com with SMTP id f18so1239780pfa.10; Thu, 17 Sep 2020 06:50:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=KPaE7MzGUy8EbIKncE+ieqkHzqJTXMjDit15B2UGepg=; b=a7Tbc5qCqZH1fluejWr2MXblRtsb9a2CqU2gJzpaLB9c9UMzc+C1vVA3c41+7EzAZN xqsUgvC68sxJhZSg5G87dmdsSWmfyB7XBEgTunHAWWdnBPsWSSCXjfTvLVbvju9OINYU emefOm/lLYe7UdeEL3G8G+bcX7vb0Jw+6sitSGEpAhGnkoNHCCQ3C4+Hc2j/V8WSZA+E QJ9XIZDpo/soa+7C1+SrBzWjcPrz8wdqJN2OxJIsnP+V8uzVhUVJdfq+uj2JlJh7wNtZ GRWKYwwEIoRe9SETYWdUoYKEhdQG8mdstglf9vkeQSQi1QtAoN8M92aJywoZXAxTbw63 DMNw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=KPaE7MzGUy8EbIKncE+ieqkHzqJTXMjDit15B2UGepg=; b=rOQr+74F1vP0ToiGnp7GDUSJTa8Ok3dizlVdL3YJIME8ZEyG3NwS4t5KmBYZqkg6Nu gzTm1TAuNSidyO7zWcgbxPMcgiLx7jUJvQ88pjNTnhsXPN1JNdVxd+Vrv0VKqeGzkZi0 zem1g2hU02MwGSzpkkEWjUb1HXAFSVgeI7NtAcrbudusznGPIPKNUE4OUcFVRGI6yvb8 yBJMah48/wLyy4Sd8xKkbfd3KxP/FDlBPsF4I6u0JTJcacVffmgbE6KFlN7fzUZfOJq7 3LSFbu4mydes5Jxhlpe8IJSNlIKtwjedDjyfpqDrwi1GXdO4ihZpSj0T2Yb41fOqlEjt SJvQ== X-Gm-Message-State: AOAM530lES8lacUwTdHCdPbVW4P5mWHHCT5NVLwtt5QyFuqZLcxuRjvk OIbDr8NxPJq0BiENy9kLtz7her0geih5l54yU/o= X-Received: by 2002:a63:d648:: with SMTP id d8mr22534746pgj.4.1600350624302; Thu, 17 Sep 2020 06:50:24 -0700 (PDT) MIME-Version: 1.0 References: <20200908224006.25636-1-digetx@gmail.com> <20200908224006.25636-28-digetx@gmail.com> <20200917120955.GF3515672@ulmo> In-Reply-To: <20200917120955.GF3515672@ulmo> From: Andy Shevchenko Date: Thu, 17 Sep 2020 16:50:06 +0300 Message-ID: Subject: Re: [PATCH v7 27/34] i2c: tegra: Check errors for both positive and negative values To: Thierry Reding Cc: Dmitry Osipenko , Jonathan Hunter , Laxman Dewangan , Wolfram Sang , =?UTF-8?B?TWljaGHFgiBNaXJvc8WCYXc=?= , linux-i2c , linux-tegra@vger.kernel.org, Linux Kernel Mailing List Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Sep 17, 2020 at 3:09 PM Thierry Reding wrote: > On Wed, Sep 09, 2020 at 01:39:59AM +0300, Dmitry Osipenko wrote: > Why? All of these functions "return 0 on success or a negative error > code on failure", don't they? And what is the point of having ' < 0' in all those cases? -- With Best Regards, Andy Shevchenko