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drm/nouveau: Fix reference count leak in nouveau_connector_detect

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nouveau_connector_detect() calls pm_runtime_get_sync and in turn
increments the reference count. In case of failure, decrement the
ref count before returning the error.

Signed-off-by: Aditya Pakki <pakki001@umn.edu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Aditya Pakki 2020-06-13 20:22:23 -05:00 committed by Ben Skeggs
parent a2cdf39536
commit 990a116298
1 changed files with 3 additions and 1 deletions
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4
drivers/gpu/drm/nouveau/nouveau_connector.c
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@ -571,8 +571,10 @@ nouveau_connector_detect(struct drm_connector *connector, bool force)
pm_runtime_get_noresume(dev->dev);
} else {
ret = pm_runtime_get_sync(dev->dev);
if (ret < 0 && ret != -EACCES)
if (ret < 0 && ret != -EACCES) {
pm_runtime_put_autosuspend(dev->dev);
return conn_status;
}
}
nv_encoder = nouveau_connector_ddc_detect(connector);