[OpenWrt-Devel] netifd: DEVICE= always empty for ACTION=ifdown for scripts in /etc/hotplug.d/iface
mt at i3o.de
Fri Feb 22 03:43:35 EST 2019
On Fri, Feb 22, 2019 at 9:17 AM Martin Tippmann <mt at i3o.de> wrote:
> I'm calling some iptables rules from a scripts in /etc/hotplug.d/iface
> and these failed because there seems to be no $DEVICE variable for
> ACTION=ifdown events.
> It's not really obvious that the device is not populated for ifdown
> events, is there a reason for this? I guess the data about the device
> must be there and existing.
> I'm confused wether this behavoir is intented or a bug, it looks like
> this was never working/implemented:
Sorry, wrong link to the source - I guess it's this code here:
if ((current_ev == IFEV_UP || current_ev == IFEV_UPDATE) && current->l3_dev.dev)
device = current->l3_dev.dev->ifname;
so for ifdown events device is always NULL in run_cmd:
run_cmd(current->name, device, current_ev, current->updated);
and the variable is not populated.
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