[systemd-devel] [PATCH] Set mac address in link initialization

[Dave Reisner]

505f8da7325 left link->mac uninitialized, causing MACAddress based
[Match] sections to fail to match anything.

https://bugs.freedesktop.org/show_bug.cgi?id=79638
---
 src/network/networkd-link.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/network/networkd-link.c b/src/network/networkd-link.c
index 6e6fb83..f3bab9f 100644
--- a/src/network/networkd-link.c
+++ b/src/network/networkd-link.c
@@ -1683,8 +1683,18 @@ int link_initialized(Link *link, struct udev_device *device) {
         if (link->state != LINK_STATE_INITIALIZING)
                 return 0;
 
-        if (device)
+        if (device) {
+                const char *mac_address = udev_device_get_sysattr_value(
+                                device, "address");
+
+                if (mac_address) {
+                        struct ether_addr *hwaddr = ether_aton(mac_address);
+                        if (hwaddr)
+                                memcpy(&link->mac, hwaddr, sizeof(struct ether_addr));
+                }
+
                 link->udev_device = udev_device_ref(device);
+        }
 
         log_debug_link(link, "udev initialized link");
 
-- 
2.0.0