[PATCH net-next v5 03/22] netlink: add strict version of nla_parse_nested()

Michal Kubecek
2019-03-25T17:08:08Z

Similar to nla_parse_strict() and nlmsg_parse_strict(), add also
nla_parse_nested_strict() as a version of nla_parse_nested() with strict
policy checking.

Signed-off-by: Michal Kubecek <mkubecek@suse.cz>
---
include/net/netlink.h | 9 +++++++++
1 file changed, 9 insertions(+)

diff --git a/include/net/netlink.h b/include/net/netlink.h
index bc0497076bec..723139637ba4 100644
--- a/include/net/netlink.h
+++ b/include/net/netlink.h
@@ -913,6 +913,15 @@ static inline int nla_parse_nested(struct nlattr *tb[], int maxtype,
extack);
}

+static inline int nla_parse_nested_strict(struct nlattr *tb[], int maxtype,
+ const struct nlattr *nla,
+ const struct nla_policy *policy,
+ struct netlink_ext_ack *extack)
+{
+ return nla_parse_strict(tb, maxtype, nla_data(nla), nla_len(nla),
+ policy, extack);
+}
+
/**
* nla_put_u8 - Add a u8 netlink attribute to a socket buffer
* @skb: socket buffer to add attribute to
--
2.21.0