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| author | Yu Watanabe <watanabe.yu+github@gmail.com> | 2022-01-31 13:07:34 +0900 |
|---|---|---|
| committer | Yu Watanabe <watanabe.yu+github@gmail.com> | 2022-01-31 13:10:28 +0900 |
| commit | c565b655535b4e3242df14352f4c5db57abd2627 (patch) | |
| tree | 68cfbb21167dec3b85689f0ed35fb7579bb9a2d5 /src/network/networkd-ipv4acd.c | |
| parent | 218a850268ca7839d1eecdc47fc6d602931e1e4f (diff) | |
| download | systemd-c565b655535b4e3242df14352f4c5db57abd2627.tar.gz | |
network: currently IPv4ACD requires MAC address whose length is ETH_ALEN
Diffstat (limited to 'src/network/networkd-ipv4acd.c')
| -rw-r--r-- | src/network/networkd-ipv4acd.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/network/networkd-ipv4acd.c b/src/network/networkd-ipv4acd.c index 703278f8b8..009cde27de 100644 --- a/src/network/networkd-ipv4acd.c +++ b/src/network/networkd-ipv4acd.c @@ -132,7 +132,8 @@ int ipv4acd_configure(Address *address) { int r; assert(address); - assert(address->link); + + link = ASSERT_PTR(address->link); if (address->family != AF_INET) return 0; @@ -140,6 +141,9 @@ int ipv4acd_configure(Address *address) { if (!FLAGS_SET(address->duplicate_address_detection, ADDRESS_FAMILY_IPV4)) return 0; + if (link->hw_addr.length != ETH_ALEN || hw_addr_is_null(&link->hw_addr)) + return 0; + /* Currently, only static and DHCP4 addresses are supported. */ assert(IN_SET(address->source, NETWORK_CONFIG_SOURCE_STATIC, NETWORK_CONFIG_SOURCE_DHCP4)); @@ -148,8 +152,6 @@ int ipv4acd_configure(Address *address) { return 0; } - link = address->link; - log_link_debug(link, "Configuring IPv4ACD for address "IPV4_ADDRESS_FMT_STR, IPV4_ADDRESS_FMT_VAL(address->in_addr.in)); |