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 X-Spam-Level: X-Spam-Status: No, score=-5.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7123EC433E0 for ; Mon, 25 May 2020 08:40:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4F1132070A for ; Mon, 25 May 2020 08:40:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1590396018; bh=GL159ZQNLTlj2WGGQuKXAGi8lVtqHdeHMIsD6BmONC0=; h=Subject:To:Cc:References:From:Date:In-Reply-To:List-ID:From; b=xmL8ppsEA9NgEUJQ3v/SZkHNTchxczhbGxPWzpOH8ndRCmZIULMWS1Bk8iP3xJt6O +aERj5rv35XkbdijVO0TcyPSn1skh+miSqSkOR7z3A2dd8Cj38Y6KZfDTLpEtOVnSI OyCDZiTGelA/3wCkA2bvVUc02VfWX/D3yv7CRv70= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389209AbgEYIkR (ORCPT ); Mon, 25 May 2020 04:40:17 -0400 Received: from mail.kernel.org ([198.145.29.99]:44462 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388367AbgEYIkQ (ORCPT ); Mon, 25 May 2020 04:40:16 -0400 Received: from [192.168.0.50] (89-70-52-201.dynamic.chello.pl [89.70.52.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 5C2FE206C3; Mon, 25 May 2020 08:40:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1590396016; bh=GL159ZQNLTlj2WGGQuKXAGi8lVtqHdeHMIsD6BmONC0=; h=Subject:To:Cc:References:From:Date:In-Reply-To:From; b=vqcq27tKaqWpr2bu+p4rvaNWHiBH9SFiUHGgkSNz2qWurwhKBRcYZ7Wgwa9XT+tYI 5ZCU/f7UIuTx/PYDcGbRmMkEUQoV1Ww71wkpqptMTvdZZb4FUtv12lQ7f2jBQM1RRR HA1AG4NZHDl3VlKZZptPu168RbCwdkvYkAM9fSU8= Subject: Re: [PATCH] media: exynos4-is: Fix runtime PM imbalance in isp_video_open To: Dinghao Liu , kjlu@umn.edu Cc: linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, Krzysztof Kozlowski , Kyungmin Park , Kukjin Kim , Sylwester Nawrocki , Mauro Carvalho Chehab , linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org References: <20200524033404.23227-1-dinghao.liu@zju.edu.cn> From: Sylwester Nawrocki Message-ID: Date: Mon, 25 May 2020 10:40:12 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 MIME-Version: 1.0 In-Reply-To: <20200524033404.23227-1-dinghao.liu@zju.edu.cn> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 5/24/20 05:34, Dinghao Liu wrote: > pm_runtime_get_sync() increments the runtime PM usage counter even > when it returns an error code. Thus a pairing decrement is needed on > the error handling path to keep the counter balanced. > > Signed-off-by: Dinghao Liu Reviewed-by: Sylwester Nawrocki