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openvswitch: fix a sparse warning

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Fix a sparse warning introduced by commit:
f579668406 (openvswitch: Add support for
Geneve tunneling.) caught by kbuild test robot:

reproduce:
  # apt-get install sparse
  #   git checkout f579668406
  #     make ARCH=x86_64 allmodconfig
  #       make C=1 CF=-D__CHECK_ENDIAN__
  #
  #
  #       sparse warnings: (new ones prefixed by >>)
  #
  #       >> net/openvswitch/vport-geneve.c:109:15: sparse: incorrect type in assignment (different base types)
  #          net/openvswitch/vport-geneve.c:109:15:    expected restricted __be16 [usertype] sport
  #             net/openvswitch/vport-geneve.c:109:15:    got int
  #             >> net/openvswitch/vport-geneve.c:110:56: sparse: incorrect type in argument 3 (different base types)
  #                net/openvswitch/vport-geneve.c:110:56:    expected unsigned short [unsigned] [usertype] value
  #                   net/openvswitch/vport-geneve.c:110:56:    got restricted __be16 [usertype] sport

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Andy Zhou <azhou@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Andy Zhou 2014-10-06 13:22:51 -07:00 committed by David S. Miller
parent 42350dcaaf
commit 0a5d1c55fa
1 changed files with 2 additions and 3 deletions
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5
net/openvswitch/vport-geneve.c
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@ -104,10 +104,9 @@ static int geneve_get_options(const struct vport *vport,
struct sk_buff *skb)
{
struct geneve_port *geneve_port = geneve_vport(vport);
__be16 sport;
struct inet_sock *sk = inet_sk(geneve_port->gs->sock->sk);
sport = ntohs(inet_sk(geneve_port->gs->sock->sk)->inet_sport);
if (nla_put_u16(skb, OVS_TUNNEL_ATTR_DST_PORT, sport))
if (nla_put_u16(skb, OVS_TUNNEL_ATTR_DST_PORT, ntohs(sk->inet_sport)))
return -EMSGSIZE;
return 0;
}