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openvswitch: Use nla_memcpy() to memcpy() data from attributes 

Less error prone as it takes into account the length of both the
destination buffer and the source attribute and documents when
data is copied from an attribute.

Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: Jesse Gross <jesse@nicira.com>
This commit is contained in:
Thomas Graf 2013-03-29 14:46:48 +01:00 committed by Jesse Gross
parent dded45fc17
commit 32686a9d29
2 changed files with 2 additions and 2 deletions
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2
net/openvswitch/datapath.c
View File

@ -672,7 +672,7 @@ static int ovs_packet_cmd_execute(struct sk_buff *skb, struct genl_info *info)
goto err;
skb_reserve(packet, NET_IP_ALIGN);
memcpy(__skb_put(packet, len), nla_data(a[OVS_PACKET_ATTR_PACKET]), len);
nla_memcpy(__skb_put(packet, len), a[OVS_PACKET_ATTR_PACKET], len);
skb_reset_mac_header(packet);
eth = eth_hdr(packet);

2
net/openvswitch/flow.c
View File

@ -211,7 +211,7 @@ struct sw_flow_actions *ovs_flow_actions_alloc(const struct nlattr *actions)
return ERR_PTR(-ENOMEM);
sfa->actions_len = actions_len;
memcpy(sfa->actions, nla_data(actions), actions_len);
nla_memcpy(sfa->actions, actions, actions_len);
return sfa;
}