294 	if (WARN_ON(!exp_info->priv  in dma_buf_export()
402 	if (WARN_ON(!dmabuf || !dmabuf->file))  in dma_buf_put()
424 	if (WARN_ON(!dmabuf || !dev))  in dma_buf_attach()
462 	if (WARN_ON(!dmabuf || !attach))  in dma_buf_detach()
492 	if (WARN_ON(!attach || !attach->dmabuf))  in dma_buf_map_attachment()
518 	if (WARN_ON(!attach || !attach->dmabuf || !sg_table))  in dma_buf_unmap_attachment()
544 	if (WARN_ON(!dmabuf))  in dma_buf_begin_cpu_access()
569 	WARN_ON(!dmabuf);  in dma_buf_end_cpu_access()
587 	WARN_ON(!dmabuf);  in dma_buf_kmap_atomic()
604 	WARN_ON(!dmabuf);  in dma_buf_kunmap_atomic()
622 	WARN_ON(!dmabuf);  in dma_buf_kmap()
639 	WARN_ON(!dmabuf);  in dma_buf_kunmap()
667 	if (WARN_ON(!dmabuf || !vma))  in dma_buf_mmap()
715 	if (WARN_ON(!dmabuf))  in dma_buf_vmap()
753 	if (WARN_ON(!dmabuf))  in dma_buf_vunmap()