From: Li RongQing <roy.qing.li@gmail.com>
Date: Thu, 16 Oct 2014 01:17:18 +0000 (+0800)
Subject: vxlan: using pskb_may_pull as early as possible
X-Git-Tag: fixes-against-v3.18-rc2~61^2~21^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=91269e390d062;p=pandora-kernel.git

vxlan: using pskb_may_pull as early as possible

pskb_may_pull should be used to check if skb->data has enough space,
skb->len can not ensure that.

Cc: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: Li RongQing <roy.qing.li@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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