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path: root/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
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Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_bo.c')
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_bo.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
index 82094c137855..2bfac3aad7b7 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
@@ -34,6 +34,8 @@
static void vmw_bo_release(struct vmw_bo *vbo)
{
+ WARN_ON(vbo->tbo.base.funcs &&
+ kref_read(&vbo->tbo.base.refcount) != 0);
vmw_bo_unmap(vbo);
drm_gem_object_release(&vbo->tbo.base);
}
@@ -497,10 +499,9 @@ static int vmw_user_bo_synccpu_release(struct drm_file *filp,
if (!(flags & drm_vmw_synccpu_allow_cs)) {
atomic_dec(&vmw_bo->cpu_writers);
}
- ttm_bo_put(&vmw_bo->tbo);
+ vmw_user_bo_unref(&vmw_bo);
}
- drm_gem_object_put(&vmw_bo->tbo.base);
return ret;
}
@@ -540,8 +541,7 @@ int vmw_user_bo_synccpu_ioctl(struct drm_device *dev, void *data,
return ret;
ret = vmw_user_bo_synccpu_grab(vbo, arg->flags);
- vmw_bo_unreference(&vbo);
- drm_gem_object_put(&vbo->tbo.base);
+ vmw_user_bo_unref(&vbo);
if (unlikely(ret != 0)) {
if (ret == -ERESTARTSYS || ret == -EBUSY)
return -EBUSY;
@@ -614,7 +614,6 @@ int vmw_user_bo_lookup(struct drm_file *filp,
}
*out = to_vmw_bo(gobj);
- ttm_bo_get(&(*out)->tbo);
return 0;
}