669 struct dma_buf *dma_buf_export(const struct dma_buf_export_info *exp_info)  in dma_buf_export()  argument
672 	struct dma_resv *resv = exp_info->resv;  in dma_buf_export()
677 	if (!exp_info->resv)  in dma_buf_export()
683 	if (WARN_ON(!exp_info->priv  in dma_buf_export()
684 			  || !exp_info->ops  in dma_buf_export()
685 			  || !exp_info->ops->map_dma_buf  in dma_buf_export()
686 			  || !exp_info->ops->unmap_dma_buf  in dma_buf_export()
687 			  || !exp_info->ops->release)) {  in dma_buf_export()
691 	if (WARN_ON(exp_info->ops->cache_sgt_mapping &&  in dma_buf_export()
692 		    (exp_info->ops->pin || exp_info->ops->unpin)))  in dma_buf_export()
695 	if (WARN_ON(!exp_info->ops->pin != !exp_info->ops->unpin))  in dma_buf_export()
698 	if (!try_module_get(exp_info->owner))  in dma_buf_export()
707 	dmabuf->priv = exp_info->priv;  in dma_buf_export()
708 	dmabuf->ops = exp_info->ops;  in dma_buf_export()
709 	dmabuf->size = exp_info->size;  in dma_buf_export()
710 	dmabuf->exp_name = exp_info->exp_name;  in dma_buf_export()
711 	dmabuf->owner = exp_info->owner;  in dma_buf_export()
726 	file = dma_buf_getfile(dmabuf, exp_info->flags);  in dma_buf_export()
766 	module_put(exp_info->owner);  in dma_buf_export()