usb: host: xhci-hub: mark expected switch fall-through

In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.

Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
index 9762333d8d7fc1a5f469545aa5800967fb99863b..3693b1f487e5f759e6d80f89d12fe0acb8d3c1b3 100644 (file)
--- a/drivers/usb/host/xhci-hub.c
+++ b/drivers/usb/host/xhci-hub.c
@@ -1377,6 +1377,7 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
                        break;
                case USB_PORT_FEAT_C_SUSPEND:
                        bus_state->port_c_suspend &= ~(1 << wIndex);
+                       /* fall through */
                case USB_PORT_FEAT_C_RESET:
                case USB_PORT_FEAT_C_BH_PORT_RESET:
                case USB_PORT_FEAT_C_CONNECTION: