Bluetooth: Validate HCI device handle before updating scan state

Check if the HCI device handle is available prior to updating
the scan state.

Change-Id: Ifc278afecbcf2bc7a95bb6595028dd890a8b60f5
CRs-Fixed: 436733
Signed-off-by: Anantha Krishnan <ananthk@codeaurora.org>
1 file changed