297 	if (WARN_ON(!exp_info->priv  in dma_buf_export()
411 	if (WARN_ON(!dmabuf || !dmabuf->file))  in dma_buf_put()
433 	if (WARN_ON(!dmabuf || !dev))  in dma_buf_attach()
471 	if (WARN_ON(!dmabuf || !attach))  in dma_buf_detach()
501 	if (WARN_ON(!attach || !attach->dmabuf))  in dma_buf_map_attachment()
527 	if (WARN_ON(!attach || !attach->dmabuf || !sg_table))  in dma_buf_unmap_attachment()
553 	if (WARN_ON(!dmabuf))  in dma_buf_begin_cpu_access()
579 	WARN_ON(!dmabuf);  in dma_buf_end_cpu_access()
597 	WARN_ON(!dmabuf);  in dma_buf_kmap_atomic()
614 	WARN_ON(!dmabuf);  in dma_buf_kunmap_atomic()
632 	WARN_ON(!dmabuf);  in dma_buf_kmap()
649 	WARN_ON(!dmabuf);  in dma_buf_kunmap()
677 	if (WARN_ON(!dmabuf || !vma))  in dma_buf_mmap()
725 	if (WARN_ON(!dmabuf))  in dma_buf_vmap()
763 	if (WARN_ON(!dmabuf))  in dma_buf_vunmap()