smsc95xx: remove unused completion struct

Oliver Neukum spotted the useless complete() in our async callback.  On
closer inspection, the entire completion struct is unused.  This patch
removes it.

Signed-off-by: Steve Glendinning <steve.glendinning@smsc.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/usb/smsc95xx.c

@@ -55,7 +55,6 @@ struct smsc95xx_priv {
 
 struct usb_context {
 	struct usb_ctrlrequest req;
-	struct completion notify;
 	struct usbnet *dev;
 };
 
@@ -316,8 +315,6 @@ static void smsc95xx_async_cmd_callback(struct urb *urb, struct pt_regs *regs)
 	if (status < 0)
 		devwarn(dev, "async callback failed with %d", status);
 
-	complete(&usb_context->notify);
-
 	kfree(usb_context);
 	usb_free_urb(urb);
 }
@@ -348,7 +345,6 @@ static int smsc95xx_write_reg_async(struct usbnet *dev, u16 index, u32 *data)
 	usb_context->req.wValue = 00;
 	usb_context->req.wIndex = cpu_to_le16(index);
 	usb_context->req.wLength = cpu_to_le16(size);
-	init_completion(&usb_context->notify);
 
 	usb_fill_control_urb(urb, dev->udev, usb_sndctrlpipe(dev->udev, 0),
 		(void *)&usb_context->req, data, size,