misc: alcor_pci: fix null-ptr-deref when there is no PCI bridge
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 v5.4.134 by commit d2639ffdcad463b358b6bef8645ff81715daffcb. For more details please see the references link.