rtnetlink: Call nlmsg_parse() with correct header length

[ Upstream commit 88c5b5ce5cb57af6ca2a7cf4d5715fa320448ff9 ]

Signed-off-by: Michael Riesch <michael.riesch@omicron.at>
Cc: Jiri Benc <jbenc@redhat.com>
Cc: "Theodore Ts'o" <tytso@mit.edu>
Acked-by: Mark Rustad <mark.d.rustad@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 3db960c..a133427 100644 (file)
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -1066,7 +1066,7 @@ 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])
@@ -1910,7 +1910,7 @@ 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]);