batman-adv: Don't schedule OGM for disabled interface

[linux-block.git] / net / batman-adv / bat_iv_ogm.c

diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c
index f0209505e41ae1a4bba6989dc571906dc46f432d..a7c8dd7ae51314f3fd729484300b0796238a87c8 100644 (file)
--- a/net/batman-adv/bat_iv_ogm.c
+++ b/net/batman-adv/bat_iv_ogm.c
@@ -789,6 +789,10 @@ static void batadv_iv_ogm_schedule_buff(struct batadv_hard_iface *hard_iface)
 
        lockdep_assert_held(&hard_iface->bat_iv.ogm_buff_mutex);
 
+       /* interface already disabled by batadv_iv_ogm_iface_disable */
+       if (!*ogm_buff)
+               return;
+
        /* the interface gets activated here to avoid race conditions between
         * the moment of activating the interface in
         * hardif_activate_interface() where the originator mac is set and