215 	int cmlen = CMSG_LEN(len);  in put_cmsg()  local
224 	if (msg->msg_controllen < cmlen) {  in put_cmsg()
226 		cmlen = msg->msg_controllen;  in put_cmsg()
235 		cmhdr.cmsg_len = cmlen;  in put_cmsg()
237 		    copy_to_user(CMSG_USER_DATA(cm), data, cmlen - sizeof(*cm)))  in put_cmsg()
244 		cm->cmsg_len = cmlen;  in put_cmsg()
245 		memcpy(CMSG_DATA(cm), data, cmlen - sizeof(*cm));  in put_cmsg()
248 	cmlen = min(CMSG_SPACE(len), msg->msg_controllen);  in put_cmsg()
249 	msg->msg_control += cmlen;  in put_cmsg()
250 	msg->msg_controllen -= cmlen;  in put_cmsg()
315 		int cmlen = CMSG_LEN(i * sizeof(int));  in scm_detach_fds()  local
321 			err = put_user(cmlen, &cm->cmsg_len);  in scm_detach_fds()
323 			cmlen = CMSG_SPACE(i * sizeof(int));  in scm_detach_fds()
324 			if (msg->msg_controllen < cmlen)  in scm_detach_fds()
325 				cmlen = msg->msg_controllen;  in scm_detach_fds()
326 			msg->msg_control += cmlen;  in scm_detach_fds()
327 			msg->msg_controllen -= cmlen;  in scm_detach_fds()