PCI: release busn_res when removing bus

Release bus number resource when removing a bus.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/pci/remove.c b/drivers/pci/remove.c
index fd77e2bde2e8..04a4861b4749 100644
--- a/drivers/pci/remove.c
+++ b/drivers/pci/remove.c
@@ -68,6 +68,7 @@ void pci_remove_bus(struct pci_bus *pci_bus)
 
         down_write(&pci_bus_sem);
         list_del(&pci_bus->node);
+        pci_bus_release_busn_res(pci_bus);
         up_write(&pci_bus_sem);
         if (!pci_bus->is_added)
                 return;