From 31787f5398c3c5aced755e8abd5ae00a2c371cd4 Mon Sep 17 00:00:00 2001
From: hayeswang <hayeswang@realtek.com>
Date: Wed, 31 Jul 2013 17:21:25 +0800
Subject: [PATCH] net/usb/r8152: make sure the USB buffer is DMA-able

Allocate the required memory before calling usb_control_msg. And
the additional memory copy is necessary.

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
Reading git-format-patch failed