kernel: PCI: Avoid pci_dev_lock() AB/BA deadlock with sriov_numvfs_store()

In the Linux kernel, the following vulnerability has been resolved: PCI: Avoid pcidevlock AB/BA deadlock with sriovnumvfsstore The sysfs sriovnumvfsstore path acquires the device lock before the config space access lock: sriovnumvfsstore devicelock A 1 acquire device lock sriovconfigure...