Received: by 2002:a05:6902:102b:0:0:0:0 with SMTP id x11csp293484ybt; Wed, 17 Jun 2020 00:45:27 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzmvlfLnaWEgX2Jd7KXW8u66+cK388tu6jmVjfTRwk528emCACvNC9mho9mlXmNrdfvUhxu X-Received: by 2002:a17:907:9d3:: with SMTP id bx19mr6137668ejc.461.1592379927777; Wed, 17 Jun 2020 00:45:27 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1592379927; cv=none; d=google.com; s=arc-20160816; b=G7NXmPuukZQy5p6VKtVEZFU5lezvYfjbbft+AhTmJQ3XREQiSx0dpb6JHhgVX7v6Yp Hc/DMl2zKSqABVvrzo+lt8jiZtpFs3f8uhJWOx1spHRxGj7E0TbWkR5XKzC05Z4rvP0V kuAnXi+JxYfdsxAYLuEWTlsp8suGROQRkxnKbaxGJ1m4kgBfHe2q0kENHh5+Qq4Q+RvU mPxMzhzJ54Te7IyZczSJXU9T6eMi1leGkO0YkOnvBKpz5kmeB9n+EWLPlsSRFQGHtMm0 6MKvyKuOWkvINRqWT4OkXfsh/hUFOMxRBz3V8w9nhDoIDXMGvEyuyYFWMvO4X3z2VD1c bWHQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version; bh=6EL2Yl6+gGOVTM2oxxxE1jtKIVgdnpSG+O8am8qVSvY=; b=FpahEX9TiBgVptq9Wn70r17dL6PidhtnpTKwNx22PfOa2KjQn73AyLn1wYCNfLZldc sh/csaxK+8UWmn9/jOKzYH7tqrH2V4JS1Dra9hdJ3xI3GNZEYMzS8wbh0nGDbApEdfW8 hE0w0GYJLghmJ6jpiJWuAYE07ivh6yygfo106f+kzL0cGL1G+Xj51HhLpbqjpnMMQOjD tLjTXQPkZgwC6dUjpfffnbiPPD22s0wSdTi88AR7NmFBqRbsrJLWlWioMEb3QJAT6tba IBX8AAbpVjIcNBOedo+WRABrb/LWNtUQLVaaUHOeTvnQLfadva7HnYSH2xI4JcrxwwmK 2ZyQ== ARC-Authentication-Results: i=1; mx.google.com; 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 Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id k14si12581584ejz.68.2020.06.17.00.45.05; Wed, 17 Jun 2020 00:45:27 -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; 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 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726282AbgFQHnY (ORCPT + 99 others); Wed, 17 Jun 2020 03:43:24 -0400 Received: from mail-oi1-f194.google.com ([209.85.167.194]:40385 "EHLO mail-oi1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725894AbgFQHnY (ORCPT ); Wed, 17 Jun 2020 03:43:24 -0400 Received: by mail-oi1-f194.google.com with SMTP id t25so961079oij.7; Wed, 17 Jun 2020 00:43:23 -0700 (PDT) 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=6EL2Yl6+gGOVTM2oxxxE1jtKIVgdnpSG+O8am8qVSvY=; b=lYhmpIHpstZ9/cM2x7xNSbcl0/VfyxxO6VRzHKfcC1fPLjSbfd0jVba9zy2uffEn7v DlKlrZbyBAaPMdPRKDl0c7GdDHJ5jd0F4P3Po0CJZ5f1ExW2x8iUePW2aWtjuFKKGdY5 gc4uv9JGnSpySC3NScRw/xDT0aVmeqHwqopHE7Pp6KZSW5O3El5UEjo6kYRG9kGkcyAj HVkkFj+ah7rE5oXuhgSIh9qRH8xvcfmhUit5i57X8H1FcohqmaELHl0ckphiDjGM6C1o sVjx0n7Z8Tz866o9p97n4aV2UEssyfOXsSS674u5WYko9YaFnGD1IWMBOH0axaq9CvBO KVew== X-Gm-Message-State: AOAM532MNI7yBCQCJpSn8dENB49FoAJaeCLFAR2RK6rITNykfPAYJRC1 hHeEmZSt1vDGa56utgeZACVtu1L6WxjSiot4DBU= X-Received: by 2002:aca:1a19:: with SMTP id a25mr6444782oia.54.1592379802653; Wed, 17 Jun 2020 00:43:22 -0700 (PDT) MIME-Version: 1.0 References: <20200617074023.30356-1-navid.emamdoost@gmail.com> In-Reply-To: <20200617074023.30356-1-navid.emamdoost@gmail.com> From: Geert Uytterhoeven Date: Wed, 17 Jun 2020 09:43:11 +0200 Message-ID: Subject: Re: [PATCH v2] gpio: rcar: handle pm_runtime_get_sync failure case To: Navid Emamdoost Cc: Linus Walleij , Bartosz Golaszewski , "open list:GPIO SUBSYSTEM" , Linux Kernel Mailing List , Navid Emamdoost , Qiushi Wu , Kangjie Lu , mccamant@cs.umn.edu Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jun 17, 2020 at 9:40 AM Navid Emamdoost wrote: > Calling pm_runtime_get_sync increments the counter even in case of > failure, causing incorrect ref count. Call pm_runtime_put if > pm_runtime_get_sync fails. > > Signed-off-by: Navid Emamdoost Reviewed-by: Geert Uytterhoeven Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds