From fcb308d52991cbdb6231ab0e7ec3e5d1c61b3a20 Mon Sep 17 00:00:00 2001
From: hayeswang <hayeswang@realtek.com>
Date: Tue, 11 Mar 2014 10:20:32 +0800
Subject: [PATCH] r8152: add skb_cow_head

Call skb_cow_head() before editing the tx packet header. The header
would be reallocated if it is shared.

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Reading git-format-patch failed