Bluetooth: hciserdev: call initrwsem() before p->open()
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.19.238 by commit 7af24ae489f7932f8f6a9786f755578555c110aa, it was introduced in version v4.16 by commit d73e172816652772114827abaa2dbc053eecbbd7. For more details please see the references link.