IPoIB: Free child interfaces properly

When deleting a child interface with a non-default P_Key via
/sys/class/net/ibX/delete_child, the interface must be freed with
free_netdev() (rather than kfree() on the private data).

Signed-off-by: Roland Dreier <rolandd@cisco.com>

diff --git a/drivers/infiniband/ulp/ipoib/ipoib_vlan.c b/drivers/infiniband/ulp/ipoib/ipoib_vlan.c
index 4ca1755..f887780 100644 (file)
--- a/drivers/infiniband/ulp/ipoib/ipoib_vlan.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_vlan.c
@@ -158,10 +158,8 @@ int ipoib_vlan_delete(struct net_device *pdev, unsigned short pkey)
                if (priv->pkey == pkey) {
                        unregister_netdev(priv->dev);
                        ipoib_dev_cleanup(priv->dev);
-
                        list_del(&priv->list);
-
-                       kfree(priv);
+                       free_netdev(priv->dev);
 
                        ret = 0;
                        break;