rtnetlink: Call nlmsg_parse() with correct header length

Michael Riesch · davem330 · commit 88c5b5ce5cb5 · 2013-04-08T17:12:26.000-04:00
Signed-off-by: Michael Riesch &lt;michael.riesch@omicron.at&gt;
Cc: "David S. Miller" &lt;davem@davemloft.net&gt;
Cc: Greg Kroah-Hartman &lt;gregkh@linuxfoundation.org&gt;
Cc: Jiri Benc &lt;jbenc@redhat.com&gt;
Cc: "Theodore Ts'o" &lt;tytso@mit.edu&gt;
Cc: linux-kernel@vger.kernel.org
Acked-by: Mark Rustad &lt;mark.d.rustad@intel.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
@@ -1072,7 +1072,7 @@ static int rtnl_dump_ifinfo(struct sk_buff *skb, struct netlink_callback *cb)
 	rcu_read_lock();
 	cb->seq = net->dev_base_seq;
 
-	if (nlmsg_parse(cb->nlh, sizeof(struct rtgenmsg), tb, IFLA_MAX,
+	if (nlmsg_parse(cb->nlh, sizeof(struct ifinfomsg), tb, IFLA_MAX,
 			ifla_policy) >= 0) {
 
 		if (tb[IFLA_EXT_MASK])
@@ -1922,7 +1922,7 @@ static u16 rtnl_calcit(struct sk_buff *skb, struct nlmsghdr *nlh)
 	u32 ext_filter_mask = 0;
 	u16 min_ifinfo_dump_size = 0;
 
-	if (nlmsg_parse(nlh, sizeof(struct rtgenmsg), tb, IFLA_MAX,
+	if (nlmsg_parse(nlh, sizeof(struct ifinfomsg), tb, IFLA_MAX,
 			ifla_policy) >= 0) {
 		if (tb[IFLA_EXT_MASK])
 			ext_filter_mask = nla_get_u32(tb[IFLA_EXT_MASK]);
