diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/rtnetlink.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h index 6731e7f4cc0..c91476ce314 100644 --- a/include/linux/rtnetlink.h +++ b/include/linux/rtnetlink.h @@ -570,12 +570,16 @@ static __inline__ int rtattr_strcmp(const struct rtattr *rta, const char *str) } extern int rtattr_parse(struct rtattr *tb[], int maxattr, struct rtattr *rta, int len); -extern int rtattr_parse_nested_compat(struct rtattr *tb[], int maxattr, - struct rtattr *rta, void **data, int len); +extern int __rtattr_parse_nested_compat(struct rtattr *tb[], int maxattr, + struct rtattr *rta, int len); #define rtattr_parse_nested(tb, max, rta) \ rtattr_parse((tb), (max), RTA_DATA((rta)), RTA_PAYLOAD((rta))) +#define rtattr_parse_nested_compat(tb, max, rta, data, len) \ +({ data = RTA_PAYLOAD(rta) >= len ? RTA_DATA(rta) : NULL; \ + __rtattr_parse_nested_compat(tb, max, rta, len); }) + extern int rtnetlink_send(struct sk_buff *skb, u32 pid, u32 group, int echo); extern int rtnl_unicast(struct sk_buff *skb, u32 pid); extern int rtnl_notify(struct sk_buff *skb, u32 pid, u32 group, |