diff options
| -rw-r--r-- | drivers/pci/remove.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/pci/remove.c b/drivers/pci/remove.c index ef8b18c48f26..82f8ae572703 100644 --- a/drivers/pci/remove.c +++ b/drivers/pci/remove.c @@ -144,7 +144,15 @@ static void pci_stop_bus_devices(struct pci_bus *bus) { struct list_head *l, *n; - list_for_each_safe(l, n, &bus->devices) { + /* + * VFs could be removed by pci_remove_bus_device() in the + * pci_stop_bus_devices() code path for PF. + * aka, bus->devices get updated in the process. + * but VFs are inserted after PFs when SRIOV is enabled for PF, + * We can iterate the list backwards to get prev valid PF instead + * of removed VF. + */ + list_for_each_prev_safe(l, n, &bus->devices) { struct pci_dev *dev = pci_dev_b(l); pci_stop_bus_device(dev); } |