From: Alex Deucher <alexander.deucher@amd.com>
Date: Sat, 27 Aug 2016 16:30:25 +0000 (-0400)
Subject: drm/amdgpu: handle runtime pm correctly in amdgpu_driver_open_kms
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=dc08267ac4ee7d4b602dd0ac000114e4426e2769;p=openwrt%2Fstaging%2Fblogic.git

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 f1b9e0f2869f..cc4ae1103332 100644
--- 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;
 }