staging: usbip: userspace: remove gcc warnings

The warnings were for unused parameters, so __attribute__((unused))
has been added until it can be determined they are truly unneeded.
Signed-off-by: matt mooney <mfm@muteddisk.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/usbip/userspace/libsrc/stub_driver.c

@@ -181,7 +181,7 @@ static int check_new(struct dlist *dlist, struct sysfs_device *target)
 	return 1;
 }
 
-static void delete_nothing(void *dev)
+static void delete_nothing(void *dev __attribute__((unused)))
 {
 	/* do not delete anything. but, its container will be deleted. */
 }

drivers/staging/usbip/userspace/src/usbip_network.c

@@ -40,7 +40,8 @@ void pack_usb_device(int pack, struct usb_device *udev)
 	pack_uint16_t(pack, &udev->bcdDevice);
 }
 
-void pack_usb_interface(int pack, struct usb_interface *udev)
+void pack_usb_interface(int pack __attribute__((unused)),
+			struct usb_interface *udev __attribute__((unused)))
 {
 	/* uint8_t members need nothing */
 }

drivers/staging/usbip/userspace/src/usbipd.c

@@ -388,7 +388,8 @@ static void set_signal(void)
 }
 
 
-gboolean process_comming_request(GIOChannel *gio, GIOCondition condition, gpointer data)
+gboolean process_comming_request(GIOChannel *gio, GIOCondition condition,
+				 gpointer data __attribute__((unused)))
 {
 	int ret;