openvswitch: add missing attribute validation for hash

Add missing attribute validation for OVS_PACKET_ATTR_HASH
to the netlink policy.

Fixes: bd1903b7 ("net: openvswitch: add hash info to upcall")
Signed-off-by: NJakub Kicinski <kuba@kernel.org>
Reviewed-by: NGreg Rose <gvrose8192@gmail.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/openvswitch/datapath.c

@@ -645,6 +645,7 @@ static const struct nla_policy packet_policy[OVS_PACKET_ATTR_MAX + 1] = {
 	[OVS_PACKET_ATTR_ACTIONS] = { .type = NLA_NESTED },
 	[OVS_PACKET_ATTR_PROBE] = { .type = NLA_FLAG },
 	[OVS_PACKET_ATTR_MRU] = { .type = NLA_U16 },
+	[OVS_PACKET_ATTR_HASH] = { .type = NLA_U64 },
 };
 
 static const struct genl_ops dp_packet_genl_ops[] = {