batman-adv: init neigh node last seen field

BugLink: https://bugs.launchpad.net/bugs/1868629

commit e48474ed upstream.
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
[sven@narfation.org: fix conflicts with current version]
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Antonio Quartulli <a@unstable.cc>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Khalid Elmously <khalid.elmously@canonical.com>
Signed-off-by: Kelsey Skunberg <kelsey.skunberg@canonical.com>

net/batman-adv/originator.c

@@ -483,6 +483,7 @@ batadv_neigh_node_new(struct batadv_orig_node *orig_node,
 	ether_addr_copy(neigh_node->addr, neigh_addr);
 	neigh_node->if_incoming = hard_iface;
 	neigh_node->orig_node = orig_node;
+	neigh_node->last_seen = jiffies;
 
 	/* extra reference for return */
 	atomic_set(&neigh_node->refcount, 2);