USB: remove OTG build warning

Somewhere along the line, a variable in a USB-OTG codepath
stopped being used; this removes the relevant compiler warning.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 1 insertions, 2 deletions

diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 00441cde4588..2a8cb3c2b19c 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -1254,8 +1254,7 @@ int usb_new_device(struct usb_device *udev)
                                         USB_DT_OTG, (void **) &desc) == 0) {
                         if (desc->bmAttributes & USB_OTG_HNP) {
                                 unsigned                port1 = udev->portnum;
-                                struct usb_device       *root = udev->parent;
-                                
+
                                 dev_info(&udev->dev,
                                         "Dual-Role OTG device on %sHNP port\n",
                                         (port1 == bus->otg_port)