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openvswitch: Use proper buffer size in nla_memcpy

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For the input parameter count, it's better to use the size
of destination buffer size, as nla_memcpy would take into
account the length of the source netlink attribute when
a data is copied from an attribute.

Signed-off-by: Haishuang Yan <yanhaishuang@cmss.chinamobile.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Haishuang Yan 2016-03-28 18:08:59 +08:00 • committed by David S. Miller
parent d7be81a591
commit ac71b46efd
1 changed files with 2 additions and 1 deletions
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3
net/openvswitch/conntrack.c
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@ -968,7 +968,8 @@ static int parse_nat(const struct nlattr *attr,
break;
case OVS_NAT_ATTR_IP_MIN:
nla_memcpy(&info->range.min_addr, a, nla_len(a));
nla_memcpy(&info->range.min_addr, a,
sizeof(info->range.min_addr));
info->range.flags |= NF_NAT_RANGE_MAP_IPS;
break;