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Diffstat (limited to 'ospf6d/ospf6_main.c')
-rw-r--r--ospf6d/ospf6_main.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/ospf6d/ospf6_main.c b/ospf6d/ospf6_main.c
index 8380bc89..680f4b7f 100644
--- a/ospf6d/ospf6_main.c
+++ b/ospf6d/ospf6_main.c
@@ -227,7 +227,8 @@ main (int argc, char *argv[], char *envp[])
break;
}
vty_port = atoi (optarg);
- vty_port = (vty_port ? vty_port : OSPF6_VTY_PORT);
+ if (vty_port <= 0 || vty_port > 0xffff)
+ vty_port = OSPF6_VTY_PORT;
break;
case 'u':
ospf6d_privs.user = optarg;