Benjamin Valentin a82bc64a34 sys/net/gnrc/netif: only register netif after init was successful
If we call `netif_register()` before we can be sure that the interface
can be configured, a 'zombie' interface remains in the list, causing
all kinds of trouble down the line.

Only call `netif_register()` if `init()` was successful.
2021-02-25 21:48:47 +01:00
..
2020-10-23 11:27:48 +02:00