PCI: Leave normal LIST_POISON in deleted list entries



list_del() already sets next/prev to LIST_POISON1/LIST_POISON2, so we
don't need to do anything special here to prevent further list accesses.

Tested-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Yinghai Lu <yinghai@kernel.org>

parent d563e2cc

drivers/pci/remove.c

+0 −3

Original line number	Diff line number	Diff line
		@@ -32,11 +32,8 @@ static void pci_stop_dev(struct pci_dev *dev)

		static void pci_destroy_dev(struct pci_dev *dev)
		{
		/* Remove the device from the device lists, and prevent any further
		* list accesses from this device */
		down_write(&pci_bus_sem);
		list_del(&dev->bus_list);
		dev->bus_list.next = dev->bus_list.prev = NULL;
		up_write(&pci_bus_sem);

		pci_free_resources(dev);