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 <[email protected]> Signed-off-by: Bjorn Helgaas <[email protected]> Acked-by: Yinghai Lu <[email protected]>
mrcheets · Aug 22, 2012 · a7479d7 · a7479d7
1 parent d563e2c
commit a7479d7
Showing 1 changed file with 0 additions and 3 deletions.
diff --git a/drivers/pci/remove.c b/drivers/pci/remove.c
@@ -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);