From: Viral Mehta <viral.mehta@xxxxxxxxxxxxxx> Replace if-elseif-else with switch-case to keep the code consistent which is semantically same Switch-case is used here, http://www.spinics.net/lists/linux-usb/msg17201.html Making consistent at other places in usb/core Also easier to read and maintain when USB4.0, 5.0, ... comes Signed-off-by: Viral Mehta <viral.mehta@xxxxxxxxxxxxxx> Tested-by: Sarah Sharp <sarah.a.sharp@xxxxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx> --- drivers/usb/core/hcd.c | 25 ++++++++++++++++++------- 1 files changed, 18 insertions(+), 7 deletions(-) diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index 1609623..ce3f453 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -488,28 +488,39 @@ static int rh_call_control (struct usb_hcd *hcd, struct urb *urb) case DeviceRequest | USB_REQ_GET_DESCRIPTOR: switch (wValue & 0xff00) { case USB_DT_DEVICE << 8: - if (hcd->driver->flags & HCD_USB3) + switch (hcd->driver->flags & HCD_MASK) { + case HCD_USB3: bufp = usb3_rh_dev_descriptor; - else if (hcd->driver->flags & HCD_USB2) + break; + case HCD_USB2: bufp = usb2_rh_dev_descriptor; - else if (hcd->driver->flags & HCD_USB11) + break; + case HCD_USB11: bufp = usb11_rh_dev_descriptor; - else + break; + default: goto error; + } len = 18; if (hcd->has_tt) patch_protocol = 1; break; case USB_DT_CONFIG << 8: - if (hcd->driver->flags & HCD_USB3) { + switch (hcd->driver->flags & HCD_MASK) { + case HCD_USB3: bufp = ss_rh_config_descriptor; len = sizeof ss_rh_config_descriptor; - } else if (hcd->driver->flags & HCD_USB2) { + break; + case HCD_USB2: bufp = hs_rh_config_descriptor; len = sizeof hs_rh_config_descriptor; - } else { + break; + case HCD_USB11: bufp = fs_rh_config_descriptor; len = sizeof fs_rh_config_descriptor; + break; + default: + goto error; } if (device_can_wakeup(&hcd->self.root_hub->dev)) patch_wakeup = 1; -- 1.6.3.2 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
