+#ifdef CONFIG_COMPAT
+struct compat_ipt_ulog_info {
+ compat_uint_t nl_group;
+ compat_size_t copy_range;
+ compat_size_t qthreshold;
+ char prefix[ULOG_PREFIX_LEN];
+};
+
+static void compat_from_user(void *dst, void *src)
+{
+ struct compat_ipt_ulog_info *cl = src;
+ struct ipt_ulog_info l = {
+ .nl_group = cl->nl_group,
+ .copy_range = cl->copy_range,
+ .qthreshold = cl->qthreshold,
+ };
+
+ memcpy(l.prefix, cl->prefix, sizeof(l.prefix));
+ memcpy(dst, &l, sizeof(l));
+}
+
+static int compat_to_user(void __user *dst, void *src)
+{
+ struct ipt_ulog_info *l = src;
+ struct compat_ipt_ulog_info cl = {
+ .nl_group = l->nl_group,
+ .copy_range = l->copy_range,
+ .qthreshold = l->qthreshold,
+ };
+
+ memcpy(cl.prefix, l->prefix, sizeof(cl.prefix));
+ return copy_to_user(dst, &cl, sizeof(cl)) ? -EFAULT : 0;
+}
+#endif /* CONFIG_COMPAT */
+