A PCI device may be detached from /proc/bus/pci/devices not only when it is
removed, but also when its bus had changed the number - in this case the
proc entry must be recreated to reflect the new PCI topology.
Nullify freed pointers to mark them as valid for allocating again.
Signed-off-by: Sergey Miroshnichenko <s.miroshnichenko@xxxxxxxxx>
---
drivers/pci/proc.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/pci/proc.c b/drivers/pci/proc.c
index 5495537c60c2..c85654dd315b 100644
--- a/drivers/pci/proc.c
+++ b/drivers/pci/proc.c
@@ -443,6 +443,7 @@ int pci_proc_detach_device(struct pci_dev *dev)
int pci_proc_detach_bus(struct pci_bus *bus)
{
proc_remove(bus->procdir);
+ bus->procdir = NULL;
return 0;
}
--
2.23.0
