From patchwork Sun May 24 02:59:02 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dinghao Liu X-Patchwork-Id: 11567123 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 858BD15E4 for ; Sun, 24 May 2020 02:59:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6F46F2085B for ; Sun, 24 May 2020 02:59:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388271AbgEXC7T (ORCPT ); Sat, 23 May 2020 22:59:19 -0400 Received: from spam.zju.edu.cn ([61.164.42.155]:53900 "EHLO zju.edu.cn" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S2388262AbgEXC7T (ORCPT ); Sat, 23 May 2020 22:59:19 -0400 Received: from localhost.localdomain (unknown [222.205.77.158]) by mail-app2 (Coremail) with SMTP id by_KCgDHrpH34sleOxHCAQ--.40350S4; Sun, 24 May 2020 10:59:06 +0800 (CST) From: Dinghao Liu To: dinghao.liu@zju.edu.cn, kjlu@umn.edu Cc: Kyungmin Park , Sylwester Nawrocki , Mauro Carvalho Chehab , Kukjin Kim , Krzysztof Kozlowski , linux-media@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] media: exynos4-is: Fix runtime PM imbalance in fimc_is_probe Date: Sun, 24 May 2020 10:59:02 +0800 Message-Id: <20200524025903.17219-1-dinghao.liu@zju.edu.cn> X-Mailer: git-send-email 2.17.1 X-CM-TRANSID: by_KCgDHrpH34sleOxHCAQ--.40350S4 X-Coremail-Antispam: 1UD129KBjvdXoWrKrW7ZFW3Gr18JF1xZry8uFg_yoWftFX_Gr 15Xa1xWrnYgwsFq3yqyFnxurWIvFZ8uw4rGa1SqFy2vw48A3WUtrW0yr98Z347Gw42yFyU ArZ0gF17Cr97CjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUb-AFc2x0x2IEx4CE42xK8VAvwI8IcIk0rVWrJVCq3wAFIxvE14AK wVWUJVWUGwA2ocxC64kIII0Yj41l84x0c7CEw4AK67xGY2AK021l84ACjcxK6xIIjxv20x vE14v26w1j6s0DM28EF7xvwVC0I7IYx2IY6xkF7I0E14v26r4UJVWxJr1l84ACjcxK6I8E 87Iv67AKxVW0oVCq3wA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_GcCE3s1le2I262IYc4CY6c 8Ij28IcVAaY2xG8wAqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx0E2Ix0cI8IcVAFwI0_JrI_ JrylYx0Ex4A2jsIE14v26r1j6r4UMcvjeVCFs4IE7xkEbVWUJVW8JwACjcxG0xvY0x0EwI xGrwACjI8F5VA0II8E6IAqYI8I648v4I1lFIxGxcIEc7CjxVA2Y2ka0xkIwI1lc2xSY4AK 67AK6r4UMxAIw28IcxkI7VAKI48JMxAIw28IcVCjz48v1sIEY20_GFWkJr1UJwCFx2IqxV CFs4IE7xkEbVWUJVW8JwC20s026c02F40E14v26r1j6r18MI8I3I0E7480Y4vE14v26r10 6r1rMI8E67AF67kF1VAFwI0_Jw0_GFylIxkGc2Ij64vIr41lIxAIcVC0I7IYx2IY67AKxV WUJVWUCwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Gr0_Cr1lIxAIcVCF04k26cxKx2IYs7xG 6rWUJVWrZr1UMIIF0xvEx4A2jsIE14v26r1j6r4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_Gr 0_Gr1UYxBIdaVFxhVjvjDU0xZFpf9x0JUCg4hUUUUU= X-CM-SenderInfo: qrrzjiaqtzq6lmxovvfxof0/1tbiAgEJBlZdtORShQATsT Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org 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. For all error paths after pm_runtime_get_sync(), things are the same. Signed-off-by: Dinghao Liu Reviewed-by: Sylwester Nawrocki --- drivers/media/platform/exynos4-is/fimc-is.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/media/platform/exynos4-is/fimc-is.c b/drivers/media/platform/exynos4-is/fimc-is.c index 64148b7e0d98..a474014f0a0f 100644 --- a/drivers/media/platform/exynos4-is/fimc-is.c +++ b/drivers/media/platform/exynos4-is/fimc-is.c @@ -871,6 +871,7 @@ static int fimc_is_probe(struct platform_device *pdev) err_sd: fimc_is_unregister_subdevs(is); err_pm: + pm_runtime_put_noidle(dev); if (!pm_runtime_enabled(dev)) fimc_is_runtime_suspend(dev); err_irq: