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>

diff --git a/include/net/netlink.h b/include/net/netlink.h
index 6f51a8a..7f6b994 100644 (file)
--- a/include/net/netlink.h
+++ b/include/net/netlink.h
@@ -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);
 }
 
 /**

diff --git a/include/net/nl802154.h b/include/net/nl802154.h
index 32cb3e5..fcab4de 100644 (file)
--- a/include/net/nl802154.h
+++ b/include/net/nl802154.h
@@ -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,

diff --git a/net/ieee802154/nl802154.c b/net/ieee802154/nl802154.c
index 16ef0d9..6140720 100644 (file)
--- a/net/ieee802154/nl802154.c
+++ b/net/ieee802154/nl802154.c
@@ -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;