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ndisc: avoid calling start() multiple times

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It hooks on ndp event callbacks and we'll end up in them being done
redundantly, leaking them on dispose and potentially even calling them.
This commit is contained in:
Lubomir Rintel 2016-10-14 19:53:53 +02:00
parent 679f8dfc7d
commit aed2106d3e
3 changed files with 8 additions and 7 deletions
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4
src/devices/nm-device.c
View file

@ -1897,10 +1897,8 @@ device_link_changed (NMDevice *self)
}
if (priv->ndisc && info.inet6_token.id) {
if (nm_ndisc_set_iid (priv->ndisc, info.inet6_token)) {
if (nm_ndisc_set_iid (priv->ndisc, info.inet6_token))
_LOGD (LOGD_DEVICE, "IPv6 tokenized identifier present on device %s", priv->iface);
nm_ndisc_start (priv->ndisc);
}
}
if (klass->link_changed)

3
src/ndisc/nm-lndp-ndisc.c
View file

@ -323,6 +323,9 @@ start (NMNDisc *ndisc)
NMLndpNDiscPrivate *priv = NM_LNDP_NDISC_GET_PRIVATE ((NMLndpNDisc *) ndisc);
int fd = ndp_get_eventfd (priv->ndp);
g_return_if_fail (!priv->event_channel);
g_return_if_fail (!priv->event_id);
priv->event_channel = g_io_channel_unix_new (fd);
priv->event_id = g_io_add_watch (priv->event_channel, G_IO_IN, (GIOFunc) event_ready, ndisc);

8
src/ndisc/nm-ndisc.c
View file

@ -531,6 +531,7 @@ nm_ndisc_set_iid (NMNDisc *ndisc, const NMUtilsIPv6IfaceId iid)
_LOGD ("IPv6 interface identifier changed, flushing addresses");
g_array_remove_range (rdata->addresses, 0, rdata->addresses->len);
_emit_config_change (ndisc, NM_NDISC_CONFIG_ADDRESSES);
solicit (ndisc);
}
return TRUE;
}
@ -556,21 +557,20 @@ nm_ndisc_start (NMNDisc *ndisc)
NMNDiscClass *klass = NM_NDISC_GET_CLASS (ndisc);
gint64 ra_wait_secs;
g_assert (klass->start);
g_return_if_fail (klass->start);
g_return_if_fail (!priv->ra_timeout_id);
_LOGD ("starting neighbor discovery: %d", priv->ifindex);
if (!nm_ndisc_netns_push (ndisc, &netns))
return;
nm_clear_g_source (&priv->ra_timeout_id);
ra_wait_secs = (((gint64) priv->router_solicitations) * priv->router_solicitation_interval) + 1;
ra_wait_secs = CLAMP (ra_wait_secs, 30, 120);
priv->ra_timeout_id = g_timeout_add_seconds (ra_wait_secs, ndisc_ra_timeout_cb, ndisc);
_LOGD ("scheduling RA timeout in %d seconds", (int) ra_wait_secs);
if (klass->start)
klass->start (ndisc);
klass->start (ndisc);
solicit (ndisc);
}