From 8ca9418350eccd5dd2659931807c1901224dd638 Mon Sep 17 00:00:00 2001
From: Scott Feldman <scofeldm@cisco.com>
Date: Fri, 28 May 2010 03:42:18 -0700
Subject: [PATCH] netlink: bug fix: don't overrun skbs on vf_port dump

Noticed by Patrick McHardy: was continuing to fill skb after a
nla_put_failure, ignoring the size calculated by upper layer.  Now,
return -EMSGSIZE on any overruns, but also allow netdev to
fail ndo_get_vf_port with error other than -EMSGSIZE, thus unwinding
nest.

Signed-off-by: Scott Feldman <scofeldm@cisco.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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