Bluetooth: Fix crash on null pointer

In case error during uart open, callback from bluedroid is
cleaned up. However, host driver still call callback which
causes crash.

Change-Id: I625c4094303054f662ca6ab751bca7148e29e378
1 file changed
tree: 1c5f292d4782a80c93d58c6068770af6e6ea397b
  1. libbt-vendor/
  2. Android.mk
  3. CleanSpec.mk