From: Gustavo A. R. Silva Date: Mon, 29 Apr 2019 14:39:57 +0000 (-0500) Subject: usbip: vhci_hcd: Mark expected switch fall-through X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=b063f04e0d2e7a808f6b5827bd1e39ad89617a22;p=linux.git usbip: vhci_hcd: Mark expected switch fall-through In preparation to enabling -Wimplicit-fallthrough, mark switch cases where we are expecting to fall through. This patch fixes the following warning: In file included from drivers/usb/usbip/vhci_hcd.c:15: drivers/usb/usbip/vhci_hcd.c: In function ‘vhci_hub_control’: drivers/usb/usbip/usbip_common.h:63:6: warning: this statement may fall through [-Wimplicit-fallthrough=] if (flag & usbip_debug_flag) \ ^ drivers/usb/usbip/usbip_common.h:77:2: note: in expansion of macro ‘usbip_dbg_with_flag’ usbip_dbg_with_flag(usbip_debug_vhci_rh, fmt , ##args) ^~~~~~~~~~~~~~~~~~~ drivers/usb/usbip/vhci_hcd.c:509:4: note: in expansion of macro ‘usbip_dbg_vhci_rh’ usbip_dbg_vhci_rh( ^~~~~~~~~~~~~~~~~ drivers/usb/usbip/vhci_hcd.c:511:3: note: here case USB_PORT_FEAT_U2_TIMEOUT: ^~~~ Warning level 3 was used: -Wimplicit-fallthrough=3 This patch is part of the ongoing efforts to enable -Wimplicit-fallthrough. Signed-off-by: Gustavo A. R. Silva Acked-by: Shuah Khan Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/usb/usbip/vhci_hcd.c b/drivers/usb/usbip/vhci_hcd.c index 667d9c0ec9053..000ab7225717f 100644 --- a/drivers/usb/usbip/vhci_hcd.c +++ b/drivers/usb/usbip/vhci_hcd.c @@ -508,6 +508,7 @@ static int vhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, case USB_PORT_FEAT_U1_TIMEOUT: usbip_dbg_vhci_rh( " SetPortFeature: USB_PORT_FEAT_U1_TIMEOUT\n"); + /* Fall through */ case USB_PORT_FEAT_U2_TIMEOUT: usbip_dbg_vhci_rh( " SetPortFeature: USB_PORT_FEAT_U2_TIMEOUT\n");