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[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>
This commit is contained in:
Patrick McHardy 2007-06-26 03:23:44 -07:00 committed by David S. Miller
parent afdc3238ec
commit 2371baa4bd
2 changed files with 9 additions and 7 deletions
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8
include/linux/rtnetlink.h
View File

@ -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,

8
net/core/rtnetlink.c
View File

@ -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);