tree aac60b98f6379042a0cb808a7aff6f1eba16517a
parent b4d913d336d7a52dff840378726b1d3dc5f81268
author Holger Hans Peter Freyther <zecke@selfish.org> 1314724078 +0200
committer Holger Hans Peter Freyther <zecke@selfish.org> 1314724402 +0200

bsc: Fix a crash in case we get a NACK from the BTS for a new channel

In case of a nack the secondary_lchan will be NULLed but then the T10
timeout will attempt to release the channel and we will try to release
a NULL pointer.

Daniel witnessed this crash at the camp and added the NULL check at:
28d9ccbca0cb522c90f551cf4bf243acab7a1944, it is also the proper fix
given the _NAK handling.