drm/mgag200: Remove unecessary NULL check in bo_unref
ttm_bo_unref unconditionally calls kref_put on it's argument, so the thing can't be NULL without already causing Oopses. Spotted by coverity. Reviewed-by: David Herrmann <dh.herrmann@gmail.com> Reviewed-by: Ian Romanick <ian.d.romanick@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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@ -322,9 +322,7 @@ static void mgag200_bo_unref(struct mgag200_bo **bo)
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tbo = &((*bo)->bo);
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ttm_bo_unref(&tbo);
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if (tbo == NULL)
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*bo = NULL;
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*bo = NULL;
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}
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void mgag200_gem_free_object(struct drm_gem_object *obj)
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