[NETLINK]: Missing initializations in dumped data

Mostly missing initialization of padding fields of 1 or 2 bytes length,
two instances of uninitialized nlmsgerr->msg of 16 bytes length.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index 851eb92..1beb782 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -1598,6 +1598,8 @@
 
 	read_lock_bh(&tbl->lock);
 	ndtmsg->ndtm_family = tbl->family;
+	ndtmsg->ndtm_pad1   = 0;
+	ndtmsg->ndtm_pad2   = 0;
 
 	RTA_PUT_STRING(skb, NDTA_NAME, tbl->id);
 	RTA_PUT_MSECS(skb, NDTA_GC_INTERVAL, tbl->gc_interval);
@@ -1683,6 +1685,8 @@
 
 	read_lock_bh(&tbl->lock);
 	ndtmsg->ndtm_family = tbl->family;
+	ndtmsg->ndtm_pad1   = 0;
+	ndtmsg->ndtm_pad2   = 0;
 	RTA_PUT_STRING(skb, NDTA_NAME, tbl->id);
 
 	if (neightbl_fill_parms(skb, parms) < 0)
@@ -1872,6 +1876,8 @@
 	struct ndmsg *ndm = NLMSG_DATA(nlh);
 
 	ndm->ndm_family	 = n->ops->family;
+	ndm->ndm_pad1    = 0;
+	ndm->ndm_pad2    = 0;
 	ndm->ndm_flags	 = n->flags;
 	ndm->ndm_type	 = n->type;
 	ndm->ndm_ifindex = n->dev->ifindex;