X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fnetwork%2Fnetworkd-dhcp4.c;h=63bfa86f99a6cddb6df694f049e3f1f74892a477;hb=61f33134fc9231e07e1b9519b140d68139e9fad0;hp=e0b3acad1b8ede49512bc337519693dc89e032fd;hpb=84b5b79a8f7b423c5b7cad4170eb68d57fe5e26c;p=elogind.git

diff --git a/src/network/networkd-dhcp4.c b/src/network/networkd-dhcp4.c
index e0b3acad1..63bfa86f9 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) {
@@ -596,7 +599,9 @@ int dhcp4_configure(Link *link) {
         if (r < 0)
                 return r;
 
-        r = sd_dhcp_client_set_mac(link->dhcp_client, &link->mac);
+        r = sd_dhcp_client_set_mac(link->dhcp_client,
+                                   (const uint8_t *) &link->mac,
+                                   sizeof (link->mac), ARPHRD_ETHER);
         if (r < 0)
                 return r;