kernel: PCI: Fix use-after-free of slot->bus on hot remove

In the Linux kernel, the following vulnerability has been resolved: PCI: Fix use-after-free of slot-bus on hot remove Dennis reports a boot crash on recent Lenovo laptops with a USB4 dock. Since commit 0fc70886569c "thunderbolt: Reset USB4 v2 host router" and commit 59a54c5f3dbd "thunderbolt: Res...