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| author | Patrick McHardy <kaber@trash.net> | 2007-06-26 12:23:44 +0200 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-07-11 07:15:40 +0200 |
| commit | 2371baa4bdab3268b32009926f75e7a5d3a41506 (patch) | |
| tree | 1c9d118ee17261b92da75550ef2a7b453bbe5bc9 | |
| parent | [RTNETLINK]: Add nested compat attribute (diff) | |
| download | linux-2371baa4bdab3268b32009926f75e7a5d3a41506.tar.xz linux-2371baa4bdab3268b32009926f75e7a5d3a41506.zip | |
[RTNETLINK]: Fix rtnetlink compat attribute patch
Sent the wrong patch previously.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | include/linux/rtnetlink.h | 8 | ||||
| -rw-r--r-- | net/core/rtnetlink.c | 8 |
2 files changed, 9 insertions, 7 deletions
diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h index 6731e7f4cc0f..c91476ce314a 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, diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index c25d23ba6d5d..54c17e4cd28f 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -97,13 +97,11 @@ 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, void **data, int len) +int __rtattr_parse_nested_compat(struct rtattr *tb[], int maxattr, + struct rtattr *rta, int len) { if (RTA_PAYLOAD(rta) < len) return -1; - *data = RTA_DATA(rta); - if (RTA_PAYLOAD(rta) >= RTA_ALIGN(len) + sizeof(struct rtattr)) { rta = RTA_DATA(rta) + RTA_ALIGN(len); return rtattr_parse_nested(tb, maxattr, rta); @@ -1312,7 +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(__rtattr_parse_nested_compat); EXPORT_SYMBOL(rtnetlink_put_metrics); EXPORT_SYMBOL(rtnl_lock); EXPORT_SYMBOL(rtnl_trylock); |