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>

1 files changed, 1 insertions, 3 deletions

diff --git a/drivers/infiniband/ulp/ipoib/ipoib_vlan.c b/drivers/infiniband/ulp/ipoib/ipoib_vlan.c
index 4ca175553f9f..f887780e8093 100644
--- 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;