From: Dinghao Liu <dinghao.liu@zju.edu.cn> To: dinghao.liu@zju.edu.cn, kjlu@umn.edu Cc: Kyungmin Park <kyungmin.park@samsung.com>, Sylwester Nawrocki <s.nawrocki@samsung.com>, Mauro Carvalho Chehab <mchehab@kernel.org>, Kukjin Kim <kgene@kernel.org>, Krzysztof Kozlowski <krzk@kernel.org>, 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 isp_video_open Date: Sun, 24 May 2020 11:34:04 +0800 [thread overview] Message-ID: <20200524033404.23227-1-dinghao.liu@zju.edu.cn> (raw) 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 <dinghao.liu@zju.edu.cn> --- drivers/media/platform/exynos4-is/fimc-isp-video.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/media/platform/exynos4-is/fimc-isp-video.c b/drivers/media/platform/exynos4-is/fimc-isp-video.c index 15f443fa7208..612b9872afc8 100644 --- a/drivers/media/platform/exynos4-is/fimc-isp-video.c +++ b/drivers/media/platform/exynos4-is/fimc-isp-video.c @@ -293,6 +293,7 @@ static int isp_video_open(struct file *file) if (!ret) goto unlock; rel_fh: + pm_runtime_put_noidle(&isp->pdev->dev); v4l2_fh_release(file); unlock: mutex_unlock(&isp->video_lock); -- 2.17.1
WARNING: multiple messages have this Message-ID (diff)
From: Dinghao Liu <dinghao.liu@zju.edu.cn> To: dinghao.liu@zju.edu.cn, kjlu@umn.edu Cc: linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, Krzysztof Kozlowski <krzk@kernel.org>, Kyungmin Park <kyungmin.park@samsung.com>, Kukjin Kim <kgene@kernel.org>, Sylwester Nawrocki <s.nawrocki@samsung.com>, Mauro Carvalho Chehab <mchehab@kernel.org>, linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org Subject: [PATCH] media: exynos4-is: Fix runtime PM imbalance in isp_video_open Date: Sun, 24 May 2020 11:34:04 +0800 [thread overview] Message-ID: <20200524033404.23227-1-dinghao.liu@zju.edu.cn> (raw) 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 <dinghao.liu@zju.edu.cn> --- drivers/media/platform/exynos4-is/fimc-isp-video.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/media/platform/exynos4-is/fimc-isp-video.c b/drivers/media/platform/exynos4-is/fimc-isp-video.c index 15f443fa7208..612b9872afc8 100644 --- a/drivers/media/platform/exynos4-is/fimc-isp-video.c +++ b/drivers/media/platform/exynos4-is/fimc-isp-video.c @@ -293,6 +293,7 @@ static int isp_video_open(struct file *file) if (!ret) goto unlock; rel_fh: + pm_runtime_put_noidle(&isp->pdev->dev); v4l2_fh_release(file); unlock: mutex_unlock(&isp->video_lock); -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next reply other threads:[~2020-05-24 3:34 UTC|newest] Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-05-24 3:34 Dinghao Liu [this message] 2020-05-24 3:34 ` [PATCH] media: exynos4-is: Fix runtime PM imbalance in isp_video_open Dinghao Liu 2020-05-25 8:40 ` Sylwester Nawrocki 2020-05-25 8:40 ` Sylwester Nawrocki
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