CVE-2022-49859 net: lapbether: fix issue of invalid opcode in lapbeth_open()

In the Linux kernel, the following vulnerability has been resolved: net: lapbether: fix issue of invalid opcode in lapbethopen If lapbregister failed when lapb device goes to up for the first time, the NAPI is not disabled. As a result, the invalid opcode issue is reported when the lapb device go...