CVE-2022-50474 macintosh: fix possible memory leak in macio_add_one_device()

In the Linux kernel, the following vulnerability has been resolved: macintosh: fix possible memory leak in macioaddonedevice Afer commit 1fa5ae857bb1 "driver core: get rid of struct device's busid string array", the name of device is allocated dynamically. It needs to be freed when ofdeviceregist...

CVE-2022-50474

CVE-2022-50474 is a Linux kernel issue affecting the macintosh/macio path, where a device name allocated dynamically after a driver-core change was not freed on of_device_register() failure, causing a memory leak. The fix introduces a put_device() reference release to balance device_initialize() ...