From 223293205a7265c8b02882461ba8996650048ade Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 06:33:33 +0000
Subject: [PATCH] audio ok

---
 kernel/drivers/infiniband/ulp/ipoib/ipoib_netlink.c |   35 +++++++++++++++++++++++++++++++++--
 1 files changed, 33 insertions(+), 2 deletions(-)

diff --git a/kernel/drivers/infiniband/ulp/ipoib/ipoib_netlink.c b/kernel/drivers/infiniband/ulp/ipoib/ipoib_netlink.c
index d4d553a..5b05cf3 100644
--- a/kernel/drivers/infiniband/ulp/ipoib/ipoib_netlink.c
+++ b/kernel/drivers/infiniband/ulp/ipoib/ipoib_netlink.c
@@ -122,12 +122,36 @@
 	} else
 		child_pkey  = nla_get_u16(data[IFLA_IPOIB_PKEY]);
 
+	err = ipoib_intf_init(ppriv->ca, ppriv->port, dev->name, dev);
+	if (err) {
+		ipoib_warn(ppriv, "failed to initialize pkey device\n");
+		return err;
+	}
+
 	err = __ipoib_vlan_add(ppriv, ipoib_priv(dev),
 			       child_pkey, IPOIB_RTNL_CHILD);
+	if (err)
+		return err;
 
-	if (!err && data)
+	if (data) {
 		err = ipoib_changelink(dev, tb, data, extack);
-	return err;
+		if (err) {
+			unregister_netdevice(dev);
+			return err;
+		}
+	}
+
+	return 0;
+}
+
+static void ipoib_del_child_link(struct net_device *dev, struct list_head *head)
+{
+	struct ipoib_dev_priv *priv = ipoib_priv(dev);
+
+	if (!priv->parent)
+		return;
+
+	unregister_netdevice_queue(dev, head);
 }
 
 static size_t ipoib_get_size(const struct net_device *dev)
@@ -139,16 +163,23 @@
 
 static struct rtnl_link_ops ipoib_link_ops __read_mostly = {
 	.kind		= "ipoib",
+	.netns_refund   = true,
 	.maxtype	= IFLA_IPOIB_MAX,
 	.policy		= ipoib_policy,
 	.priv_size	= sizeof(struct ipoib_dev_priv),
 	.setup		= ipoib_setup_common,
 	.newlink	= ipoib_new_child_link,
+	.dellink	= ipoib_del_child_link,
 	.changelink	= ipoib_changelink,
 	.get_size	= ipoib_get_size,
 	.fill_info	= ipoib_fill_info,
 };
 
+struct rtnl_link_ops *ipoib_get_link_ops(void)
+{
+	return &ipoib_link_ops;
+}
+
 int __init ipoib_netlink_init(void)
 {
 	return rtnl_link_register(&ipoib_link_ops);

--
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