From 8f3918d46d7a203fc9b34d9a525fe7ee9cf76c1b Mon Sep 17 00:00:00 2001
From: Paul Moore <paul.moore@hp.com>
Date: Mon, 25 Sep 2006 15:54:03 -0700
Subject: [PATCH] --- yaml --- r: 35552 b: refs/heads/master c:
 4fe5d5c07ab615a52fd1b0ceba5aeed7c612821a h: refs/heads/master v: v3

---
 [refs]                      |  2 +-
 trunk/include/net/netlink.h | 19 +++++++++++++++++++
 2 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index 8aff037240ba..32254f67292e 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 22acb19a91d2b551ea37647747972e5286284b22
+refs/heads/master: 4fe5d5c07ab615a52fd1b0ceba5aeed7c612821a
diff --git a/trunk/include/net/netlink.h b/trunk/include/net/netlink.h
index 2897a73f81eb..4ab68a7a636a 100644
--- a/trunk/include/net/netlink.h
+++ b/trunk/include/net/netlink.h
@@ -146,6 +146,7 @@
  *   nla_ok(nla, remaining)		does nla fit into remaining bytes?
  *   nla_next(nla, remaining)		get next netlink attribute
  *   nla_validate()			validate a stream of attributes
+ *   nla_validate_nested()		validate a stream of nested attributes
  *   nla_find()				find attribute in stream of attributes
  *   nla_find_nested()			find attribute in nested attributes
  *   nla_parse()			parse and validate stream of attrs
@@ -950,6 +951,24 @@ static inline int nla_nest_cancel(struct sk_buff *skb, struct nlattr *start)
 	return nlmsg_trim(skb, start);
 }
 
+/**
+ * nla_validate_nested - Validate a stream of nested attributes
+ * @start: container attribute
+ * @maxtype: maximum attribute type to be expected
+ * @policy: validation policy
+ *
+ * Validates all attributes in the nested attribute stream against the
+ * specified policy. Attributes with a type exceeding maxtype will be
+ * ignored. See documenation of struct nla_policy for more details.
+ *
+ * Returns 0 on success or a negative error code.
+ */
+static inline int nla_validate_nested(struct nlattr *start, int maxtype,
+				      struct nla_policy *policy)
+{
+	return nla_validate(nla_data(start), nla_len(start), maxtype, policy);
+}
+
 /**
  * nla_for_each_attr - iterate over a stream of attributes
  * @pos: loop counter, set to current attribute