CVE-2022-50772 netdevsim: fix memory leak in nsim_bus_dev_new()

In the Linux kernel, the following vulnerability has been resolved: netdevsim: fix memory leak in nsimbusdevnew If deviceregister failed in nsimbusdevnew, the value of reference in nsimbusdev-dev is 1. obj-name in nsimbusdev-dev will not be released. unreferenced object 0xffff88810352c480 size 16...