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-rw-r--r--net/ieee802154/core.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/net/ieee802154/core.c b/net/ieee802154/core.c
index cd69bdbfd59f..a08d75dd56ad 100644
--- a/net/ieee802154/core.c
+++ b/net/ieee802154/core.c
@@ -198,6 +198,16 @@ void wpan_phy_free(struct wpan_phy *phy)
}
EXPORT_SYMBOL(wpan_phy_free);
+static void cfg802154_free_peer_structures(struct wpan_dev *wpan_dev)
+{
+ mutex_lock(&wpan_dev->association_lock);
+
+ kfree(wpan_dev->parent);
+ wpan_dev->parent = NULL;
+
+ mutex_unlock(&wpan_dev->association_lock);
+}
+
int cfg802154_switch_netns(struct cfg802154_registered_device *rdev,
struct net *net)
{
@@ -293,6 +303,8 @@ static int cfg802154_netdev_notifier_call(struct notifier_block *nb,
rdev->opencount++;
break;
case NETDEV_UNREGISTER:
+ cfg802154_free_peer_structures(wpan_dev);
+
/* It is possible to get NETDEV_UNREGISTER
* multiple times. To detect that, check
* that the interface is still on the list