diff options
| -rw-r--r-- | drivers/staging/batman-adv/hard-interface.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/staging/batman-adv/hard-interface.c b/drivers/staging/batman-adv/hard-interface.c index eef56318006b..a9d6f1d3a6b4 100644 --- a/drivers/staging/batman-adv/hard-interface.c +++ b/drivers/staging/batman-adv/hard-interface.c @@ -111,9 +111,17 @@ static void set_primary_if(struct bat_priv *bat_priv, { struct batman_packet *batman_packet; struct vis_packet *vis_packet; + struct batman_if *old_if; + if (batman_if) + hardif_hold(batman_if); + + old_if = bat_priv->primary_if; bat_priv->primary_if = batman_if; + if (old_if) + hardif_put(old_if); + if (!bat_priv->primary_if) return; |