[PATCH] drm/i915/selftests: Fix runtime PM imbalance on error

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When drm_dev_init() returns an error code, a pairing
runtime PM usage counter decrement is needed to keep
the counter balanced. For error paths after this call,
things are the same.

Signed-off-by: Dinghao Liu <dinghao.liu@xxxxxxxxxx>
---
 drivers/gpu/drm/i915/selftests/mock_gem_device.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/i915/selftests/mock_gem_device.c b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
index 754d0eb6beaa..fdf01461acc6 100644
--- a/drivers/gpu/drm/i915/selftests/mock_gem_device.c
+++ b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
@@ -200,6 +200,7 @@ struct drm_i915_private *mock_gem_device(void)
 	drm_mode_config_cleanup(&i915->drm);
 	drm_dev_fini(&i915->drm);
 put_device:
+	pm_runtime_put_noidle(&pdev->dev);
 	put_device(&pdev->dev);
 err:
 	return NULL;
-- 
2.17.1

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