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[DECNET] address: Convert to new netlink interface

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Extends the netlink interface to support the __le16 type and
converts address addition, deletion and, dumping to use the
new netlink interface.

Fixes multiple occasions of possible illegal memory references
due to not validated netlink attributes.

Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Thomas Graf 2006-11-24 17:14:51 -08:00 • committed by David S. Miller
parent b020b942cd
commit 4a89c2562c
2 changed files with 100 additions and 60 deletions
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12
include/net/netlink.h
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@ -829,6 +829,9 @@ static inline int nla_put_msecs(struct sk_buff *skb, int attrtype,
#define NLA_PUT_U16(skb, attrtype, value) \
NLA_PUT_TYPE(skb, u16, attrtype, value)
#define NLA_PUT_LE16(skb, attrtype, value) \
NLA_PUT_TYPE(skb, __le16, attrtype, value)
#define NLA_PUT_U32(skb, attrtype, value) \
NLA_PUT_TYPE(skb, u32, attrtype, value)
@ -874,6 +877,15 @@ static inline u16 nla_get_u16(struct nlattr *nla)
return *(u16 *) nla_data(nla);
}
/**
* nla_get_le16 - return payload of __le16 attribute
* @nla: __le16 netlink attribute
*/
static inline __le16 nla_get_le16(struct nlattr *nla)
{
return *(__le16 *) nla_data(nla);
}
/**
* nla_get_u8 - return payload of u8 attribute
* @nla: u8 netlink attribute