163 	struct bpf_iter_dmabuf_kern *kit = (void *)it;  in bpf_iter_dmabuf_new()  local
165 	BUILD_BUG_ON(sizeof(*kit) > sizeof(*it));  in bpf_iter_dmabuf_new()
166 	BUILD_BUG_ON(__alignof__(*kit) != __alignof__(*it));  in bpf_iter_dmabuf_new()
168 	kit->dmabuf = NULL;  in bpf_iter_dmabuf_new()
174 	struct bpf_iter_dmabuf_kern *kit = (void *)it;  in bpf_iter_dmabuf_next()  local
176 	if (kit->dmabuf)  in bpf_iter_dmabuf_next()
177 		kit->dmabuf = dma_buf_iter_next(kit->dmabuf);  in bpf_iter_dmabuf_next()
179 		kit->dmabuf = dma_buf_iter_begin();  in bpf_iter_dmabuf_next()
181 	return kit->dmabuf;  in bpf_iter_dmabuf_next()
186 	struct bpf_iter_dmabuf_kern *kit = (void *)it;  in bpf_iter_dmabuf_destroy()  local
188 	if (kit->dmabuf)  in bpf_iter_dmabuf_destroy()
189 		dma_buf_put(kit->dmabuf);  in bpf_iter_dmabuf_destroy()