drivers/usb/misc/usbtest.c: add kfrees

Free the two previously allocated buffers before exiting the function in an
error case.

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c
index cac67de..9dcb68f 100644
--- a/drivers/usb/misc/usbtest.c
+++ b/drivers/usb/misc/usbtest.c
@@ -2277,6 +2277,8 @@
 			if (status < 0) {
 				WARNING(dev, "couldn't get endpoints, %d\n",
 						status);
+				kfree(dev->buf);
+				kfree(dev);
 				return status;
 			}
 			/* may find bulk or ISO pipes */