remove superfluous check for lchan->use > 0

If we receive one of those strange BS-11 "Cause 22" errors,  we don't need
to check if the lchan use counter is > 0.  If it was 0, the lchan gets
released anyway.
1 file changed
tree: 9111f6ed3036fef670fd3969db98d4115b6b1f1a
  1. linux-kernel/
  2. openbsc/
  3. wireshark/