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libnl: nla_put_le64(): align on a 64-bit area 

nla_data() is now aligned on a 64-bit area.

Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nicolas Dichtel 2016-04-22 17:31:17 +02:00 committed by David S. Miller
parent 11a9957307
commit e7479122be
3 changed files with 19 additions and 8 deletions
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8
include/net/netlink.h
View File

@ -878,14 +878,16 @@ static inline int nla_put_net64(struct sk_buff *skb, int attrtype, __be64 value)
}
/**
* nla_put_le64 - Add a __le64 netlink attribute to a socket buffer
* nla_put_le64 - Add a __le64 netlink attribute to a socket buffer and align it
* @skb: socket buffer to add attribute to
* @attrtype: attribute type
* @value: numeric value
* @padattr: attribute type for the padding
*/
static inline int nla_put_le64(struct sk_buff *skb, int attrtype, __le64 value)
static inline int nla_put_le64(struct sk_buff *skb, int attrtype, __le64 value,
int padattr)
{
return nla_put(skb, attrtype, sizeof(__le64), &value);
return nla_put_64bit(skb, attrtype, sizeof(__le64), &value, padattr);
}
/**

6
include/net/nl802154.h
View File

@ -138,6 +138,8 @@ enum nl802154_attrs {
NL802154_ATTR_SEC_KEY,
#endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */
NL802154_ATTR_PAD,
__NL802154_ATTR_AFTER_LAST,
NL802154_ATTR_MAX = __NL802154_ATTR_AFTER_LAST - 1
};
@ -295,6 +297,7 @@ enum nl802154_dev_addr_attrs {
NL802154_DEV_ADDR_ATTR_MODE,
NL802154_DEV_ADDR_ATTR_SHORT,
NL802154_DEV_ADDR_ATTR_EXTENDED,
NL802154_DEV_ADDR_ATTR_PAD,
/* keep last */
__NL802154_DEV_ADDR_ATTR_AFTER_LAST,
@ -320,6 +323,7 @@ enum nl802154_key_id_attrs {
NL802154_KEY_ID_ATTR_IMPLICIT,
NL802154_KEY_ID_ATTR_SOURCE_SHORT,
NL802154_KEY_ID_ATTR_SOURCE_EXTENDED,
NL802154_KEY_ID_ATTR_PAD,
/* keep last */
__NL802154_KEY_ID_ATTR_AFTER_LAST,
@ -402,6 +406,7 @@ enum nl802154_dev {
NL802154_DEV_ATTR_EXTENDED_ADDR,
NL802154_DEV_ATTR_SECLEVEL_EXEMPT,
NL802154_DEV_ATTR_KEY_MODE,
NL802154_DEV_ATTR_PAD,
/* keep last */
__NL802154_DEV_ATTR_AFTER_LAST,
@ -414,6 +419,7 @@ enum nl802154_devkey {
NL802154_DEVKEY_ATTR_FRAME_COUNTER,
NL802154_DEVKEY_ATTR_EXTENDED_ADDR,
NL802154_DEVKEY_ATTR_ID,
NL802154_DEVKEY_ATTR_PAD,
/* keep last */
__NL802154_DEVKEY_ATTR_AFTER_LAST,

13
net/ieee802154/nl802154.c
View File

@ -722,7 +722,8 @@ ieee802154_llsec_send_key_id(struct sk_buff *msg,
break;
case NL802154_DEV_ADDR_EXTENDED:
if (nla_put_le64(msg, NL802154_DEV_ADDR_ATTR_EXTENDED,
desc->device_addr.extended_addr))
desc->device_addr.extended_addr,
NL802154_DEV_ADDR_ATTR_PAD))
return -ENOBUFS;
break;
default:
@ -742,7 +743,8 @@ ieee802154_llsec_send_key_id(struct sk_buff *msg,
break;
case NL802154_KEY_ID_MODE_INDEX_EXTENDED:
if (nla_put_le64(msg, NL802154_KEY_ID_ATTR_SOURCE_EXTENDED,
desc->extended_source))
desc->extended_source,
NL802154_KEY_ID_ATTR_PAD))
return -ENOBUFS;
break;
default:
@ -819,7 +821,8 @@ nl802154_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags,
/* address settings */
if (nla_put_le64(msg, NL802154_ATTR_EXTENDED_ADDR,
wpan_dev->extended_addr) ||
wpan_dev->extended_addr,
NL802154_ATTR_PAD) ||
nla_put_le16(msg, NL802154_ATTR_SHORT_ADDR,
wpan_dev->short_addr) ||
nla_put_le16(msg, NL802154_ATTR_PAN_ID, wpan_dev->pan_id))
@ -1614,7 +1617,7 @@ static int nl802154_send_device(struct sk_buff *msg, u32 cmd, u32 portid,
nla_put_le16(msg, NL802154_DEV_ATTR_SHORT_ADDR,
dev_desc->short_addr) ||
nla_put_le64(msg, NL802154_DEV_ATTR_EXTENDED_ADDR,
dev_desc->hwaddr) ||
dev_desc->hwaddr, NL802154_DEV_ATTR_PAD) ||
nla_put_u8(msg, NL802154_DEV_ATTR_SECLEVEL_EXEMPT,
dev_desc->seclevel_exempt) ||
nla_put_u32(msg, NL802154_DEV_ATTR_KEY_MODE, dev_desc->key_mode))
@ -1778,7 +1781,7 @@ static int nl802154_send_devkey(struct sk_buff *msg, u32 cmd, u32 portid,
goto nla_put_failure;
if (nla_put_le64(msg, NL802154_DEVKEY_ATTR_EXTENDED_ADDR,
extended_addr) ||
extended_addr, NL802154_DEVKEY_ATTR_PAD) ||
nla_put_u32(msg, NL802154_DEVKEY_ATTR_FRAME_COUNTER,
devkey->frame_counter))
goto nla_put_failure;