[PATCH pci] PCI: pci_bus_max_busnr() can be static

[kbuild test robot]

drivers/pci/pci.c:111:15: sparse: symbol 'pci_bus_max_busnr' was not declared. Should it be static?

Signed-off-by: Fengguang Wu <fengguang.wu@xxxxxxxxx>
---
 pci.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 2abac8f..51b24f3 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -108,7 +108,7 @@ static bool pcie_ari_disabled;
  * Given a PCI bus, returns the highest PCI bus number present in the set
  * including the given PCI bus and its list of child PCI buses.
  */
-unsigned char pci_bus_max_busnr(struct pci_bus *bus)
+static unsigned char pci_bus_max_busnr(struct pci_bus *bus)
 {
 	struct pci_bus *tmp;
 	unsigned char max, n;
--
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