media: exynos4-is: Fix a reference count leak due to pm_runtime_get_sync
[ Upstream commit c47f7c779e
]
On calling pm_runtime_get_sync() the reference count of the device
is incremented. In case of failure, decrement the
reference count before returning the error.
Signed-off-by: Qiushi Wu <wu000273@umn.edu>
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>
5.4-rM2-2.2.x-imx-squashed
parent
8babe11e46
commit
f36a80bc75
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@ -484,8 +484,10 @@ static int fimc_md_register_sensor_entities(struct fimc_md *fmd)
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return -ENXIO;
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return -ENXIO;
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ret = pm_runtime_get_sync(fmd->pmf);
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ret = pm_runtime_get_sync(fmd->pmf);
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if (ret < 0)
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if (ret < 0) {
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pm_runtime_put(fmd->pmf);
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return ret;
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return ret;
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}
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fmd->num_sensors = 0;
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fmd->num_sensors = 0;
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