Hi, On Fri, Jun 17, 2022 at 3:30 PM Miquel Raynal <miquel.raynal@xxxxxxxxxxx> wrote: > > The purpose of the netif_is_down() helper was to ensure that the network > interface used was still up when performing the transmission. What it > actually did was to check if _all_ interfaces were up. This was not > noticed at that time because I did not use interfaces at all before > discussing with Alexander Aring about how to handle coordinators > properly. > > Drop the helper and call netif_running() on the right sub interface > object directly. > > Fixes: 4f790184139b ("net: mac802154: Add a warning in the slow path") Acked-by: Alexander Aring <aahringo@xxxxxxxxxx> - Alex