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networkd: don't clear dhcpv6 lease timers if there's no previous lease

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If client->lease is NULL, dhcp6_lease_clear_timers will cause a segmentation
fault.
This commit is contained in:
Steven Noonan 2014-07-03 19:43:56 -07:00 committed by Tom Gundersen
parent 4d9f07b492
commit b1e1238fb3
1 changed files with 2 additions and 1 deletions
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3
src/libsystemd-network/sd-dhcp6-client.c
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@ -708,7 +708,8 @@ static int client_receive_reply(sd_dhcp6_client *client, DHCP6Message *reply,
return 0;
}
dhcp6_lease_clear_timers(&client->lease->ia);
if (client->lease)
dhcp6_lease_clear_timers(&client->lease->ia);
client->lease = sd_dhcp6_lease_unref(client->lease);
client->lease = lease;