Fix subscr ref leak for multi CM SERV REQ

Multiple CM SERVICE REQUEST can happen on a single RR
connection, in this case, since the subscr reference is
tracked through lchan->subscr and will only be put'd once
on lchan_free, we need to make sure we don't get several
reference ....

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
1 file changed
tree: 22607682f32c2bf671af48dfbbd2782831133c9e
  1. hlrsync/
  2. linux-kernel/
  3. openbsc/
  4. wireshark/