Fix build warning when building drivers/usb/host/xhci-mem.o due to missing prototype for xhci_free_virt_devices_depth_first. This function is only used in xhci-mem.c so just make it static. Signed-off-by: Jean-Philippe Menil <jpmenil@xxxxxxxxx> --- drivers/usb/host/xhci-mem.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index b1f27aa38b10..c5236f5d917a 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -933,7 +933,7 @@ void xhci_free_virt_device(struct xhci_hcd *xhci, int slot_id) * that tt_info, then free the child first. Recursive. * We can't rely on udev at this point to find child-parent relationships. */ -void xhci_free_virt_devices_depth_first(struct xhci_hcd *xhci, int slot_id) +static void xhci_free_virt_devices_depth_first(struct xhci_hcd *xhci, int slot_id) { struct xhci_virt_device *vdev; struct list_head *tt_list_head; -- 2.17.1