--- a/rvinterf/lowlevel/rvifmain.c	Sun Feb 02 22:04:12 2020 +0000
+++ b/rvinterf/lowlevel/rvifmain.c	Sun Feb 02 22:23:17 2020 +0000
@@ -49,7 +49,7 @@
 	fd_set fds;
 	struct client *cli, **clip;
 
-	while ((c = getopt(argc, argv, "bB:d:l:ns:S:w:X:")) != EOF)
+	while ((c = getopt(argc, argv, "bB:d:l:nP:s:S:w:X:")) != EOF)
 		switch (c) {
 		case 'b':
 			background++;
@@ -66,6 +66,10 @@
 		case 'l':
 			logfname = optarg;
 			continue;
+		case 'P':
+			if (find_bootctrl_entry(optarg) < 0)
+				exit(1);	/* error msg already printed */
+			continue;
 		case 's':
 			socket_pathname = optarg;
 			continue;
@@ -121,6 +125,7 @@
 		}
 	}
 	signal(SIGPIPE, SIG_IGN);
+	pwon_if_needed();
 	for (;;) {
 		FD_ZERO(&fds);
 		FD_SET(target_fd, &fds);