diff options
| -rw-r--r-- | hw/qdev-properties.c | 7 | ||||
| -rw-r--r-- | net.c | 1 |
2 files changed, 8 insertions, 0 deletions
diff --git a/hw/qdev-properties.c b/hw/qdev-properties.c index 438eaea4d..24671aff9 100644 --- a/hw/qdev-properties.c +++ b/hw/qdev-properties.c @@ -341,6 +341,9 @@ static int parse_netdev(DeviceState *dev, Property *prop, const char *str) *ptr = qemu_find_netdev(str); if (*ptr == NULL) return -ENOENT; + if ((*ptr)->peer) { + return -EEXIST; + } return 0; } @@ -557,6 +560,10 @@ int qdev_prop_parse(DeviceState *dev, const char *name, const char *value) ret = prop->info->parse(dev, prop, value); if (ret < 0) { switch (ret) { + case -EEXIST: + fprintf(stderr, "property \"%s.%s\": \"%s\" is already in use\n", + dev->info->name, name, value); + break; default: case -EINVAL: fprintf(stderr, "property \"%s.%s\": failed to parse \"%s\"\n", @@ -246,6 +246,7 @@ VLANClientState *qemu_new_net_client(NetClientInfo *info, QTAILQ_INSERT_TAIL(&vc->vlan->clients, vc, next); } else { if (peer) { + assert(!peer->peer); vc->peer = peer; peer->peer = vc; } |