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Diffstat (limited to 'net/netlink/attr.c')
-rw-r--r--net/netlink/attr.c19
1 files changed, 10 insertions, 9 deletions
diff --git a/net/netlink/attr.c b/net/netlink/attr.c
index feb326f4a752..2d106cfe1d27 100644
--- a/net/netlink/attr.c
+++ b/net/netlink/attr.c
@@ -132,6 +132,7 @@ errout:
* @maxtype: maximum attribute type to be expected
* @head: head of attribute stream
* @len: length of attribute stream
+ * @policy: validation policy
*
* Parses a stream of attributes and stores a pointer to each attribute in
* the tb array accessable via the attribute type. Attributes with a type
@@ -194,7 +195,7 @@ struct nlattr *nla_find(struct nlattr *head, int len, int attrtype)
/**
* nla_strlcpy - Copy string attribute payload into a sized buffer
* @dst: where to copy the string to
- * @src: attribute to copy the string from
+ * @nla: attribute to copy the string from
* @dstsize: size of destination buffer
*
* Copies at most dstsize - 1 bytes into the destination buffer.
@@ -340,9 +341,9 @@ struct nlattr *nla_reserve(struct sk_buff *skb, int attrtype, int attrlen)
}
/**
- * nla_reserve - reserve room for attribute without header
+ * nla_reserve_nohdr - reserve room for attribute without header
* @skb: socket buffer to reserve room on
- * @len: length of attribute payload
+ * @attrlen: length of attribute payload
*
* Reserves room for attribute payload without a header.
*
@@ -400,13 +401,13 @@ void __nla_put_nohdr(struct sk_buff *skb, int attrlen, const void *data)
* @attrlen: length of attribute payload
* @data: head of attribute payload
*
- * Returns -1 if the tailroom of the skb is insufficient to store
+ * Returns -EMSGSIZE if the tailroom of the skb is insufficient to store
* the attribute header and payload.
*/
int nla_put(struct sk_buff *skb, int attrtype, int attrlen, const void *data)
{
if (unlikely(skb_tailroom(skb) < nla_total_size(attrlen)))
- return -1;
+ return -EMSGSIZE;
__nla_put(skb, attrtype, attrlen, data);
return 0;
@@ -418,13 +419,13 @@ int nla_put(struct sk_buff *skb, int attrtype, int attrlen, const void *data)
* @attrlen: length of attribute payload
* @data: head of attribute payload
*
- * Returns -1 if the tailroom of the skb is insufficient to store
+ * Returns -EMSGSIZE if the tailroom of the skb is insufficient to store
* the attribute payload.
*/
int nla_put_nohdr(struct sk_buff *skb, int attrlen, const void *data)
{
if (unlikely(skb_tailroom(skb) < NLA_ALIGN(attrlen)))
- return -1;
+ return -EMSGSIZE;
__nla_put_nohdr(skb, attrlen, data);
return 0;
@@ -436,13 +437,13 @@ int nla_put_nohdr(struct sk_buff *skb, int attrlen, const void *data)
* @attrlen: length of attribute payload
* @data: head of attribute payload
*
- * Returns -1 if the tailroom of the skb is insufficient to store
+ * Returns -EMSGSIZE if the tailroom of the skb is insufficient to store
* the attribute payload.
*/
int nla_append(struct sk_buff *skb, int attrlen, const void *data)
{
if (unlikely(skb_tailroom(skb) < NLA_ALIGN(attrlen)))
- return -1;
+ return -EMSGSIZE;
memcpy(skb_put(skb, attrlen), data, attrlen);
return 0;