drm/radeon: 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/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c
index 835563c..0aa8eac 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_kms.c
@@ -641,11 +641,11 @@ int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
        if (rdev->family >= CHIP_CAYMAN) {
                struct radeon_fpriv *fpriv;
                struct radeon_vm *vm;
-               int r;
 
                fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL);
                if (unlikely(!fpriv)) {
-                       return -ENOMEM;
+                       r = -ENOMEM;
+                       goto out_suspend;
                }
 
                if (rdev->accel_working) {
@@ -653,14 +653,14 @@ int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
                        r = radeon_vm_init(rdev, vm);
                        if (r) {
                                kfree(fpriv);
-                               return r;
+                               goto out_suspend;
                        }
 
                        r = radeon_bo_reserve(rdev->ring_tmp_bo.bo, false);
                        if (r) {
                                radeon_vm_fini(rdev, vm);
                                kfree(fpriv);
-                               return r;
+                               goto out_suspend;
                        }
 
                        /* map the ib pool buffer read only into
@@ -674,15 +674,16 @@ int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
                        if (r) {
                                radeon_vm_fini(rdev, vm);
                                kfree(fpriv);
-                               return r;
+                               goto out_suspend;
                        }
                }
                file_priv->driver_priv = fpriv;
        }
 
+out_suspend:
        pm_runtime_mark_last_busy(dev->dev);
        pm_runtime_put_autosuspend(dev->dev);
-       return 0;
+       return r;
 }
 
 /**