The return value of the function isn't used anywhere.
Fixes missing return value, CID 1329717.
Found-by: Coverity
Signed-off-by: Alexander Couzens <lynxis@fe80.eu>
When not defining 'device' or 'vlan' in relevant switch_port uci
sections, behaviour is inconsistent due to *devn, *port and *vlan
pointers not being zero initialized.
Signed-off-by: Ben Kelly <ben@benjii.net>
