[NETFILTER]: xt_conntrack: add compat support

	nf_ct_l3proto_module_put(match->family);

	nf_ct_l3proto_module_put(match->family);

}

}

#ifdef CONFIG_COMPAT

struct compat_xt_conntrack_info

{

	compat_uint_t			statemask;

	compat_uint_t			statusmask;

	struct ip_conntrack_old_tuple	tuple[IP_CT_DIR_MAX];

	struct in_addr			sipmsk[IP_CT_DIR_MAX];

	struct in_addr			dipmsk[IP_CT_DIR_MAX];

	compat_ulong_t			expires_min;

	compat_ulong_t			expires_max;

	u_int8_t			flags;

	u_int8_t			invflags;

};

static void compat_from_user(void *dst, void *src)

{

	struct compat_xt_conntrack_info *cm = src;

	struct xt_conntrack_info m = {

		.statemask	= cm->statemask,

		.statusmask	= cm->statusmask,

		.expires_min	= cm->expires_min,

		.expires_max	= cm->expires_max,

		.flags		= cm->flags,

		.invflags	= cm->invflags,

	};

	memcpy(m.tuple, cm->tuple, sizeof(m.tuple));

	memcpy(m.sipmsk, cm->sipmsk, sizeof(m.sipmsk));

	memcpy(m.dipmsk, cm->dipmsk, sizeof(m.dipmsk));

	memcpy(dst, &m, sizeof(m));

}

static int compat_to_user(void __user *dst, void *src)

{

	struct xt_conntrack_info *m = src;

	struct compat_xt_conntrack_info cm = {

		.statemask	= m->statemask,

		.statusmask	= m->statusmask,

		.expires_min	= m->expires_min,

		.expires_max	= m->expires_max,

		.flags		= m->flags,

		.invflags	= m->invflags,

	};

	memcpy(cm.tuple, m->tuple, sizeof(cm.tuple));

	memcpy(cm.sipmsk, m->sipmsk, sizeof(cm.sipmsk));

	memcpy(cm.dipmsk, m->dipmsk, sizeof(cm.dipmsk));

	return copy_to_user(dst, &cm, sizeof(cm)) ? -EFAULT : 0;

}

#endif

static struct xt_match conntrack_match = {

static struct xt_match conntrack_match = {

	.name		= "conntrack",

	.name		= "conntrack",

	.match		= match,

	.match		= match,

	.checkentry	= checkentry,

	.checkentry	= checkentry,

	.destroy	= destroy,

	.destroy	= destroy,

	.matchsize	= sizeof(struct xt_conntrack_info),

	.matchsize	= sizeof(struct xt_conntrack_info),

#ifdef CONFIG_COMPAT

	.compatsize	= sizeof(struct compat_xt_conntrack_info),

	.compat_from_user = compat_from_user,

	.compat_to_user	= compat_to_user,

#endif

	.family		= AF_INET,

	.family		= AF_INET,

	.me		= THIS_MODULE,

	.me		= THIS_MODULE,

};

};