[NETFILTER]: nf_nat: remove unused nf_nat_module_is_loaded

[linux-2.6-omap-h63xx.git] / net / core / rtnetlink.c

diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 06c0c5afabf0a141239929ec9a35e8dba4a27dc2..54c17e4cd28fa7e091e021f894a76bf3989dc015 100644 (file)
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -97,6 +97,19 @@ int rtattr_parse(struct rtattr *tb[], int maxattr, struct rtattr *rta, int len)
        return 0;
 }
 
+int __rtattr_parse_nested_compat(struct rtattr *tb[], int maxattr,
+                                struct rtattr *rta, int len)
+{
+       if (RTA_PAYLOAD(rta) < len)
+               return -1;
+       if (RTA_PAYLOAD(rta) >= RTA_ALIGN(len) + sizeof(struct rtattr)) {
+               rta = RTA_DATA(rta) + RTA_ALIGN(len);
+               return rtattr_parse_nested(tb, maxattr, rta);
+       }
+       memset(tb, 0, sizeof(struct rtattr *) * maxattr);
+       return 0;
+}
+
 static struct rtnl_link *rtnl_msg_handlers[NPROTO];
 
 static inline int rtm_msgindex(int msgtype)
@@ -1297,6 +1310,7 @@ void __init rtnetlink_init(void)
 EXPORT_SYMBOL(__rta_fill);
 EXPORT_SYMBOL(rtattr_strlcpy);
 EXPORT_SYMBOL(rtattr_parse);
+EXPORT_SYMBOL(__rtattr_parse_nested_compat);
 EXPORT_SYMBOL(rtnetlink_put_metrics);
 EXPORT_SYMBOL(rtnl_lock);
 EXPORT_SYMBOL(rtnl_trylock);