drm/amdgpu: handle runtime pm correctly in amdgpu_driver_open_kms

Need to fix the error paths.

Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
index f1b9e0f..cc4ae11 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -542,12 +542,16 @@ int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
                return r;
 
        fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL);
-       if (unlikely(!fpriv))
-               return -ENOMEM;
+       if (unlikely(!fpriv)) {
+               r = -ENOMEM;
+               goto out_suspend;
+       }
 
        r = amdgpu_vm_init(adev, &fpriv->vm);
-       if (r)
-               goto error_free;
+       if (r) {
+               kfree(fpriv);
+               goto out_suspend;
+       }
 
        mutex_init(&fpriv->bo_list_lock);
        idr_init(&fpriv->bo_list_handles);
@@ -556,12 +560,9 @@ int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
 
        file_priv->driver_priv = fpriv;
 
+out_suspend:
        pm_runtime_mark_last_busy(dev->dev);
        pm_runtime_put_autosuspend(dev->dev);
-       return 0;
-
-error_free:
-       kfree(fpriv);
 
        return r;
 }