bsc: Avoid crashing when no lchan is present in the subscriber connection

If someone wants to send a message but we have no lchan anymore
we will now complain, delete the message and return.
1 file changed
tree: d0bb36be1b46ac18a4ef6888d1df93db89ad9efe
  1. hlrsync/
  2. linux-kernel/
  3. openbsc/
  4. wireshark/