subscr: Add method to find an active subscriber

This is used by the paging code of the osmo_bsc. When we get
a paging response there should be an active subscriber with
the TMSI or IMSI and we can stop paging. There is no need to
allocate a new subscriber.
2 files changed
tree: 3f958cf7bc91b7feed1d2c39d88e35bc7301a112
  1. hlrsync/
  2. linux-kernel/
  3. openbsc/
  4. wireshark/