The switch statement in bt_host_read() is missing a break in one case.
Andrzej Zaborowski <andrew.zaborowski@intel.com> confirmed that this is
not an intentional fall-through.
Reviewed-by: NStefan Weil <sw@weilnetz.de>
Signed-off-by: NStefan Hajnoczi <stefanha@linux.vnet.ibm.com>