Received: by 2002:a25:ca44:0:0:0:0:0 with SMTP id a65csp947901ybg; Wed, 29 Jul 2020 01:43:18 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxvwY+K1uRKJ/FHmkbHmgcVaXS7HvJDAsyhv/fJNWRj++qip0KoKw6nFmxdXn/+H31nYvd3 X-Received: by 2002:a17:906:d8f:: with SMTP id m15mr18850320eji.494.1596012197822; Wed, 29 Jul 2020 01:43:17 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1596012197; cv=none; d=google.com; s=arc-20160816; b=lj6l0BBhcd3v1rWE2HcBzwkWCTyIdzbUs5k1dS3VWCTZmOLgFU41ApGjmoTvStuV/L AsvR1t3JMEL7mHEBLSH2+6SxdaMel5bAbgymx/T2zLiLB1ZgFYN5fNareKd84Sa0N+28 z7ZqHyAsax585PQj/myATY+5Vzqs6gdYLDYKXbjuPDGZfiFlb/XgIGmlIVYmx7X2n/Rb c5KqHdIPsKoCRCG4LN3jxk4hE3uh1IhvSQsYaSOjzySJOOeRh4W7Lm7RKcnAGiDCBNmQ HNlyYsqjCh5oSVuofKrvjgW66djQjxtOVIDwdNLtSoG3wKxnRPuhvvrPw96Dgb2DLW/Z EM3w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:message-id:date:to:cc:from :subject:references:in-reply-to:content-transfer-encoding :mime-version:dkim-signature; bh=aXoZD/sjDpEWgC90G0tbRlSg3ouqwk6Z53e9x6lUnWY=; b=m41+PTIeRX39WKPU/lfFAmjWMNxfL6Xp+7hAt4qpxZVPYgx3IhNeZdptsIpHfTTs3g xQb2b4wlF/JOoxgMbtYp9zfwc8oPUQcCpMCv8uA1EWmvZeX2UZTb/tDI5PjIzor/vq8f /XW/Wa8sOc5e/7iT5PmoAMAzA+CY2HOrPhmrt3jYK6yDli3JXTAEan4Ddlr7wwKhp3c+ fYRNGUAtro4mXQuD4zcETDWnehE3Dlu+LQXJ82f6QyExnMShK8VBWJI02kaxr8kzs1AF dIM8g6eOUEroKUzZyWKhUTR+x7UYbG8EZbGpUFxCn0fWjg6NpLdv2I0EItMG+sWDS+wY ewYQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@chromium.org header.s=google header.b=HE7sii7h; 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=NONE dis=NONE) header.from=chromium.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id p7si637422ejo.392.2020.07.29.01.42.54; Wed, 29 Jul 2020 01:43:17 -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=@chromium.org header.s=google header.b=HE7sii7h; 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=NONE dis=NONE) header.from=chromium.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727788AbgG2ImT (ORCPT + 99 others); Wed, 29 Jul 2020 04:42:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34546 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726536AbgG2ImT (ORCPT ); Wed, 29 Jul 2020 04:42:19 -0400 Received: from mail-pl1-x642.google.com (mail-pl1-x642.google.com [IPv6:2607:f8b0:4864:20::642]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 35743C061794 for ; Wed, 29 Jul 2020 01:42:18 -0700 (PDT) Received: by mail-pl1-x642.google.com with SMTP id m16so11501593pls.5 for ; Wed, 29 Jul 2020 01:42:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=mime-version:content-transfer-encoding:in-reply-to:references :subject:from:cc:to:date:message-id:user-agent; bh=aXoZD/sjDpEWgC90G0tbRlSg3ouqwk6Z53e9x6lUnWY=; b=HE7sii7hRjjmvwiQRJOVtVBeV9zc60V2y/ZRFYjWEIauLK/87smb8yCZAcQZQ7eLeH /PNdn74/kEGw5U9SoetNDcwWg9KOtEh4SqEn4EQxKvxB4p+v4qaC/0xNeCp02ANp+Mkh RRYhLZbrw9FAEJ1p5c/tNj9pejdsXD352HmNQ= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:content-transfer-encoding :in-reply-to:references:subject:from:cc:to:date:message-id :user-agent; bh=aXoZD/sjDpEWgC90G0tbRlSg3ouqwk6Z53e9x6lUnWY=; b=n6zhI5ya5vqVl19wZDSerkFizFlC2g2BerUomqGw0mIkQ4SI5j0a2EUO6MvX+q1YGH SBIU6hA8eeSrdLubU58QGB27DNoPiCALguVhTYTaqDuDb/IxJMcg/lMDxYrVUyg5E6Sg dKJWU1eH70SGFfb2n46b0ANVEy6TEhlSFRm8oDCOJHMKwWzIgiXVjYlau/SNiAwZBSGc SUkqllwFyMpf050leUQXtsBHzX4nLdfmHXUofy8+VYnb0FiwDhBd2OpaDBfzN7whGHi9 cJqpQOdUoMMN0cq12twwbvSuTp5pmO7N63Zx68SxpfAeZvTD40NX4kTFTPL7im/o74NX pPhg== X-Gm-Message-State: AOAM532LihoXLRJwwrY8cP3IyLKIoncUpn/KKrLWuUMpj8RHLHQKoyB5 TxFqwPe+3sdZfHIqFdbohQZbAg== X-Received: by 2002:a17:90a:fa8c:: with SMTP id cu12mr8917242pjb.229.1596012137807; Wed, 29 Jul 2020 01:42:17 -0700 (PDT) Received: from chromium.org ([2620:15c:202:1:3e52:82ff:fe6c:83ab]) by smtp.gmail.com with ESMTPSA id y198sm1591486pfg.116.2020.07.29.01.42.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 29 Jul 2020 01:42:17 -0700 (PDT) Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable In-Reply-To: <20200728170317.v2.10.I071b118136317d3ff77fc598079f21e4ed0e347f@changeid> References: <20200728151258.1222876-1-campello@chromium.org> <20200728230520.2011240-1-campello@chromium.org> <20200728170317.v2.10.I071b118136317d3ff77fc598079f21e4ed0e347f@changeid> Subject: Re: [PATCH v2 10/14] iio: sx9310: Simplify error return handling From: Stephen Boyd Cc: Jonathan Cameron , Daniel Campello , Andy Shevchenko , Douglas Anderson , Enrico Granata , Hartmut Knaack , Lars-Peter Clausen , Peter Meerwald-Stadler , linux-iio@vger.kernel.org To: Daniel Campello , LKML , LKML Date: Wed, 29 Jul 2020 01:42:15 -0700 Message-ID: <159601213589.1360974.3536496595430081422@swboyd.mtv.corp.google.com> User-Agent: alot/0.9.1 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Quoting Daniel Campello (2020-07-28 16:05:16) > Checks for non-zero return values to signal error conditions. >=20 > Signed-off-by: Daniel Campello > Reviewed-by: Andy Shevchenko > --- Reviewed-by: Stephen Boyd The mutex_lock, unlock, wait, lock, check wait, unlock sequence can be improved in another patch.