X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=lib%2Fdpif-netdev.c;h=359c80b7ffaf5a73b47ce1def2d4eedb374bc8ed;hb=c0896bdd20b2b4ac7f1183835e2d8c99d6bb29fe;hp=8aefaf9b0340fa45e1fb6ec792af096e2ccc4de7;hpb=d9065a90b6b955aa38586c952e8804ca7a22547e;p=openvswitch

diff --git a/lib/dpif-netdev.c b/lib/dpif-netdev.c
index 8aefaf9b..359c80b7 100644
--- a/lib/dpif-netdev.c
+++ b/lib/dpif-netdev.c
@@ -336,7 +336,7 @@ do_add_port(struct dp_netdev *dp, const char *devname, const char *type,
     int error;
 
     /* XXX reject devices already in some dp_netdev. */
-    if (type[0] == '\0' || !strcmp(type, "system")) {
+    if (type[0] == '\0' || !strcmp(type, "system") || !strcmp(type, "dummy")) {
         internal = false;
     } else if (!strcmp(type, "internal")) {
         internal = true;
@@ -378,8 +378,8 @@ do_add_port(struct dp_netdev *dp, const char *devname, const char *type,
     port->netdev = netdev;
     port->internal = internal;
 
-    netdev_get_mtu(netdev, &mtu);
-    if (mtu != INT_MAX && mtu > max_mtu) {
+    error = netdev_get_mtu(netdev, &mtu);
+    if (!error) {
         max_mtu = mtu;
     }