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media: camss: csid: Fix runtime PM imbalance in csid_set_power

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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>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Dinghao Liu 2020-05-23 09:36:39 +02:00 committed by Mauro Carvalho Chehab
parent 90361693ad
commit cf7b1c794d
1 changed files with 3 additions and 1 deletions
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4
drivers/media/platform/qcom/camss/camss-csid.c
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@ -562,8 +562,10 @@ static int csid_set_power(struct v4l2_subdev *sd, int on)
u32 hw_version;
ret = pm_runtime_get_sync(dev);
if (ret < 0)
if (ret < 0) {
pm_runtime_put_sync(dev);
return ret;
}
ret = regulator_enable(csid->vdda);
if (ret < 0) {