tree 95f3c05f6dcc236786a0668afc924b145a6c306b
parent 8a2a1a4959a2d51c74e87c8329d3dd35792f6ef5
author Alexander Couzens <lynxis@fe80.eu> 1608648121 +0100
committer laforge <laforge@osmocom.org> 1609099192 +0000

gprs_ns2_fr: setup_device: allow to setup a new dahdi device

When a dahdi device hasn't been set up yet, ioctl IF_GET_PROTO fails
with invalid argument.
Also fix the device check to skip ioctl's if the device is also in the
correct state.

Change-Id: I398d056546e35465a2944e1b4a86a8c93b3e5f7a