realtek: Avoid empty lan mac in initial network setup

If the lan_mac cannot be found, it is still used (as empty string) in
various operations. This is not valid and other 02_network scripts checking
for a non-empty string before using it. This should also be adopted for the
realtek 02_network.

Signed-off-by: Sven Eckelmann <se@simonwunderlich.de>
Link: https://github.com/openwrt/openwrt/pull/20241
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
This commit is contained in:
Sven Eckelmann 2025-10-05 09:00:08 +02:00 committed by Hauke Mehrtens
parent f0648fd576
commit 18e1929401

View File

@ -97,11 +97,11 @@ realtek_setup_macs()
;;
esac
ucidef_set_interface_macaddr "lan" $lan_mac
ucidef_set_bridge_mac "$lan_mac"
ucidef_set_network_device_mac eth0 $lan_mac
[ -n "$lan_mac" ] && ucidef_set_interface_macaddr "lan" $lan_mac
[ -n "$lan_mac" ] && ucidef_set_bridge_mac "$lan_mac"
[ -n "$lan_mac" ] && ucidef_set_network_device_mac eth0 $lan_mac
[ -z "$lan_mac_start" ] && lan_mac_start=$lan_mac
[ -z "$lan_mac_start" -a -n "$lan_mac" ] && lan_mac_start=$lan_mac
realtek_setup_macs_lan "$lan_list" "$lan_mac_start" "$lan_mac_end"
[ -n "$label_mac" ] && ucidef_set_label_macaddr $label_mac