ctladm: don't require the use of "-p" with "port -r", part 2

* Remove a now superfluous FALLTHROUGH hint
* Don't specify "-p" with an empty argument in the tests

Reported by:	jhb
MFC after:	1 week
MFC with:	edbd489d09

usr.sbin/ctladm/ctladm.c

@@ -592,7 +592,6 @@ cctl_port(int fd, int argc, char **argv, char *combinedopt)
 	}
 #endif
 	case CCTL_PORT_MODE_REMOVE:
-		/* FALLTHROUGH */
 	case CCTL_PORT_MODE_CREATE: {
 		bzero(&req, sizeof(req));
 		strlcpy(req.driver, driver, sizeof(req.driver));

usr.sbin/ctladm/tests/port.sh

@@ -62,7 +62,7 @@ cleanup() {
 			;;
 		"iscsi")
 			TARGET=`awk '/target:/ {print $2}' port-create.txt`
-			ctladm port -r -d $driver -p "$PORTNUM" -O cfiscsi_portal_group_tag=$PGTAG -O cfiscsi_target=$TARGET
+			ctladm port -r -d $driver -O cfiscsi_portal_group_tag=$PGTAG -O cfiscsi_target=$TARGET
 			;;
 		esac
 	fi