The networking core takes care and unregisters every network device in a namespace before calling the can_pernet_exit() hook. This patch removes the unneeded cleanup. Acked-by: Oliver Hartkopp <socketcan@xxxxxxxxxxxx> Suggested-by: Kirill Tkhai <ktkhai@xxxxxxxxxxxxx> Signed-off-by: Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx> Signed-off-by: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx> --- net/can/af_can.c | 15 --------------- 1 file changed, 15 deletions(-) diff --git a/net/can/af_can.c b/net/can/af_can.c index 28ea80274121..d65b19003a24 100644 --- a/net/can/af_can.c +++ b/net/can/af_can.c @@ -866,27 +866,12 @@ static int can_pernet_init(struct net *net) static void can_pernet_exit(struct net *net) { - struct net_device *dev; - if (IS_ENABLED(CONFIG_PROC_FS)) { can_remove_proc(net); if (stats_timer) del_timer_sync(&net->can.stattimer); } - /* remove created dev_rcv_lists from still registered CAN devices */ - rcu_read_lock(); - for_each_netdev_rcu(net, dev) { - if (dev->type == ARPHRD_CAN && dev->ml_priv) { - struct can_dev_rcv_lists *dev_rcv_lists = dev->ml_priv; - - BUG_ON(dev_rcv_lists->entries); - kfree(dev_rcv_lists); - dev->ml_priv = NULL; - } - } - rcu_read_unlock(); - kfree(net->can.rx_alldev_list); kfree(net->can.pkg_stats); kfree(net->can.rcv_lists_stats); -- 2.23.0.rc1