openvswitch: fix a memory leak
openvswitch: fix a memory leak

The user_skb maybe be leaked if the operation on it failed and codes
skipped into the label "out:" without calling genlmsg_unicast.

Cc: Pravin Shelar <95dcc1879f3489c0d5163907cdd946775296b2dd@nicira.com>
Signed-off-by: Li RongQing <81c2f95e9d1350da984a3ef03e964ca9a6cbc5c2@gmail.com>
Acked-by: Pravin B Shelar <95dcc1879f3489c0d5163907cdd946775296b2dd@nicira.com>
Signed-off-by: David S. Miller <fe08d3c717adf2ae63592e4c9aec6e3e404d8e3e@davemloft.net>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs