diff options
Diffstat (limited to 'src/network/networkd-dhcp4.c')
| -rw-r--r-- | src/network/networkd-dhcp4.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/src/network/networkd-dhcp4.c b/src/network/networkd-dhcp4.c index e0b3acad1..e451af864 100644 --- a/src/network/networkd-dhcp4.c +++ b/src/network/networkd-dhcp4.c @@ -178,7 +178,7 @@ static int dhcp_lease_lost(Link *link) { struct in_addr addr; struct in_addr netmask; struct in_addr gateway; - unsigned prefixlen; + unsigned prefixlen = 0; int r; assert(link); @@ -237,15 +237,18 @@ static int dhcp_lease_lost(Link *link) { } } - sd_dhcp_lease_get_address(link->dhcp_lease, &addr); - sd_dhcp_lease_get_netmask(link->dhcp_lease, &netmask); - prefixlen = in_addr_netmask_to_prefixlen(&netmask); + r = sd_dhcp_lease_get_address(link->dhcp_lease, &addr); + if (r >= 0) { + r = sd_dhcp_lease_get_netmask(link->dhcp_lease, &netmask); + if (r >= 0) + prefixlen = in_addr_netmask_to_prefixlen(&netmask); - address->family = AF_INET; - address->in_addr.in = addr; - address->prefixlen = prefixlen; + address->family = AF_INET; + address->in_addr.in = addr; + address->prefixlen = prefixlen; - address_drop(address, link, &link_address_drop_handler); + address_drop(address, link, &link_address_drop_handler); + } } if (link->network->dhcp_mtu) { |