| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.11 209/342] media: sun8i-di: Fix runtime PM imbalance in deinterlace_start_streaming | Date | Mon, 10 May 2021 12:19:59 +0200 |
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From: Dinghao Liu <dinghao.liu@zju.edu.cn>
[ Upstream commit f1995d5e43cf897f63b4d7a7f84a252d891ae820 ]
pm_runtime_get_sync() will increase the runtime PM counter even it returns an error. Thus a pairing decrement is needed to prevent refcount leak. Fix this by replacing this API with pm_runtime_resume_and_get(), which will not change the runtime PM counter on error.
Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/media/platform/sunxi/sun8i-di/sun8i-di.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/media/platform/sunxi/sun8i-di/sun8i-di.c b/drivers/media/platform/sunxi/sun8i-di/sun8i-di.c index ed863bf5ea80..671e4a928993 100644 --- a/drivers/media/platform/sunxi/sun8i-di/sun8i-di.c +++ b/drivers/media/platform/sunxi/sun8i-di/sun8i-di.c @@ -589,7 +589,7 @@ static int deinterlace_start_streaming(struct vb2_queue *vq, unsigned int count) int ret; if (V4L2_TYPE_IS_OUTPUT(vq->type)) { - ret = pm_runtime_get_sync(dev); + ret = pm_runtime_resume_and_get(dev); if (ret < 0) { dev_err(dev, "Failed to enable module\n"); -- 2.30.2
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