55 	} u;  member
113 	kref_put(&gntdev_dmabuf->u.exp.refcount, dmabuf_exp_release);  in dmabuf_exp_wait_obj_new()
159 			kref_get(&gntdev_dmabuf->u.exp.refcount);  in dmabuf_exp_wait_obj_get_dmabuf()
315 		container_of(kref, struct gntdev_dmabuf, u.exp.refcount);  in dmabuf_exp_release()
337 	dmabuf_exp_remove_map(gntdev_dmabuf->u.exp.priv,  in dmabuf_exp_ops_release()
338 			      gntdev_dmabuf->u.exp.map);  in dmabuf_exp_ops_release()
340 	kref_put(&gntdev_dmabuf->u.exp.refcount, dmabuf_exp_release);  in dmabuf_exp_ops_release()
372 	kref_init(&gntdev_dmabuf->u.exp.refcount);  in dmabuf_exp_from_pages()
377 	gntdev_dmabuf->u.exp.priv = args->priv;  in dmabuf_exp_from_pages()
378 	gntdev_dmabuf->u.exp.map = args->map;  in dmabuf_exp_from_pages()
539 	kfree(gntdev_dmabuf->u.imp.refs);  in dmabuf_imp_free_storage()
552 	gntdev_dmabuf->u.imp.refs = kcalloc(count,  in dmabuf_imp_alloc_storage()
553 					    sizeof(gntdev_dmabuf->u.imp.refs[0]),  in dmabuf_imp_alloc_storage()
555 	if (!gntdev_dmabuf->u.imp.refs)  in dmabuf_imp_alloc_storage()
567 		gntdev_dmabuf->u.imp.refs[i] = GRANT_INVALID_REF;  in dmabuf_imp_alloc_storage()
607 	gntdev_dmabuf->u.imp.attach = attach;  in dmabuf_imp_to_refs()
631 	gntdev_dmabuf->u.imp.sgt = sgt;  in dmabuf_imp_to_refs()
651 						      gntdev_dmabuf->u.imp.refs,  in dmabuf_imp_to_refs()
665 	dmabuf_imp_end_foreign_access(gntdev_dmabuf->u.imp.refs, count);  in dmabuf_imp_to_refs()
711 	dmabuf_imp_end_foreign_access(gntdev_dmabuf->u.imp.refs,  in dmabuf_imp_release()
714 	attach = gntdev_dmabuf->u.imp.attach;  in dmabuf_imp_release()
716 	if (gntdev_dmabuf->u.imp.sgt)  in dmabuf_imp_release()
717 		dma_buf_unmap_attachment(attach, gntdev_dmabuf->u.imp.sgt,  in dmabuf_imp_release()
738 				       struct ioctl_gntdev_dmabuf_exp_from_refs __user *u)  in gntdev_ioctl_dmabuf_exp_from_refs()  argument
750 	if (copy_from_user(&op, u, sizeof(op)) != 0)  in gntdev_ioctl_dmabuf_exp_from_refs()
760 	if (copy_from_user(refs, u->refs, sizeof(*refs) * op.count) != 0) {  in gntdev_ioctl_dmabuf_exp_from_refs()
770 	if (copy_to_user(u, &op, sizeof(op)) != 0)  in gntdev_ioctl_dmabuf_exp_from_refs()
779 					   struct ioctl_gntdev_dmabuf_exp_wait_released __user *u)  in gntdev_ioctl_dmabuf_exp_wait_released()  argument
783 	if (copy_from_user(&op, u, sizeof(op)) != 0)  in gntdev_ioctl_dmabuf_exp_wait_released()
791 				     struct ioctl_gntdev_dmabuf_imp_to_refs __user *u)  in gntdev_ioctl_dmabuf_imp_to_refs()  argument
797 	if (copy_from_user(&op, u, sizeof(op)) != 0)  in gntdev_ioctl_dmabuf_imp_to_refs()
809 	if (copy_to_user(u->refs, gntdev_dmabuf->u.imp.refs,  in gntdev_ioctl_dmabuf_imp_to_refs()
810 			 sizeof(*u->refs) * op.count) != 0) {  in gntdev_ioctl_dmabuf_imp_to_refs()
822 				     struct ioctl_gntdev_dmabuf_imp_release __user *u)  in gntdev_ioctl_dmabuf_imp_release()  argument
826 	if (copy_from_user(&op, u, sizeof(op)) != 0)  in gntdev_ioctl_dmabuf_imp_release()