Re: [PATCH net] ipvlan: fix various issues in ipvlan_process_multicast()

[Eric Dumazet]

On Wed, 2016-12-21 at 14:21 -0800, Mahesh Bandewar (महेश बंडेवार) wrote:
> >
> Thank you Eric for all these fixes.

Thanks Mahesh. I will send a V2 to include this part as well :

diff --git a/drivers/net/ipvlan/ipvlan_main.c b/drivers/net/ipvlan/ipvlan_main.c
index 
693ec5b6622233cd3a28c64c11d6abb97585318b..8b0f99300cbc97d8c8b93c3dfa99cd841914c086
 100644
--- a/drivers/net/ipvlan/ipvlan_main.c
+++ b/drivers/net/ipvlan/ipvlan_main.c
@@ -135,6 +135,7 @@ static int ipvlan_port_create(struct net_device *dev)
 static void ipvlan_port_destroy(struct net_device *dev)
 {
        struct ipvl_port *port = ipvlan_port_get_rtnl(dev);
+       struct sk_buff *skb;
 
        dev->priv_flags &= ~IFF_IPVLAN_MASTER;
        if (port->mode == IPVLAN_MODE_L3S) {
@@ -144,7 +145,11 @@ static void ipvlan_port_destroy(struct net_device *dev)
        }
        netdev_rx_handler_unregister(dev);
        cancel_work_sync(&port->wq);
-       __skb_queue_purge(&port->backlog);
+       while ((skb = __skb_dequeue(&port->backlog)) != NULL) {
+               if (skb->dev)
+                       dev_put(skb->dev);
+               kfree_skb(skb);
+       }
        kfree(port);
 }