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authorSven Eckelmann <sven@narfation.org>2020-03-18 00:27:01 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-03-20 09:06:26 +0100
commit8227e1b64b34b6e28d6d92ee865c471ffd25721d (patch)
tree6679db295eeb2733c7319e229985eec27ed23403
parent39bd75b20ee158642e4c65751aaa45e2210bf15c (diff)
batman-adv: Clean up untagged vlan when destroying via rtnl-link
commit 420cb1b764f9169c5d2601b4af90e4a1702345ee upstream. The untagged vlan object is only destroyed when the interface is removed via the legacy sysfs interface. But it also has to be destroyed when the standard rtnl-link interface is used. Fixes: 5d2c05b21337 ("batman-adv: add per VLAN interface attribute framework") Signed-off-by: Sven Eckelmann <sven@narfation.org> Acked-by: Antonio Quartulli <a@unstable.cc> Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--net/batman-adv/soft-interface.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c
index 4812123e0a2c..ff693887ea82 100644
--- a/net/batman-adv/soft-interface.c
+++ b/net/batman-adv/soft-interface.c
@@ -1000,7 +1000,9 @@ void batadv_softif_destroy_sysfs(struct net_device *soft_iface)
static void batadv_softif_destroy_netlink(struct net_device *soft_iface,
struct list_head *head)
{
+ struct batadv_priv *bat_priv = netdev_priv(soft_iface);
struct batadv_hard_iface *hard_iface;
+ struct batadv_softif_vlan *vlan;
list_for_each_entry(hard_iface, &batadv_hardif_list, list) {
if (hard_iface->soft_iface == soft_iface)
@@ -1008,6 +1010,13 @@ static void batadv_softif_destroy_netlink(struct net_device *soft_iface,
BATADV_IF_CLEANUP_KEEP);
}
+ /* destroy the "untagged" VLAN */
+ vlan = batadv_softif_vlan_get(bat_priv, BATADV_NO_FLAGS);
+ if (vlan) {
+ batadv_softif_destroy_vlan(bat_priv, vlan);
+ batadv_softif_vlan_free_ref(vlan);
+ }
+
batadv_sysfs_del_meshif(soft_iface);
unregister_netdevice_queue(soft_iface, head);
}