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Message-ID: <20241218130909.2173-4-shaw.leon@gmail.com>
Date: Wed, 18 Dec 2024 21:09:01 +0800
From: Xiao Liang <shaw.leon@...il.com>
To: netdev@...r.kernel.org,
	linux-kselftest@...r.kernel.org,
	Kuniyuki Iwashima <kuniyu@...zon.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Donald Hunter <donald.hunter@...il.com>,
	Paolo Abeni <pabeni@...hat.com>
Cc: "David S. Miller" <davem@...emloft.net>,
	David Ahern <dsahern@...nel.org>,
	Eric Dumazet <edumazet@...gle.com>,
	Ido Schimmel <idosch@...dia.com>,
	Andrew Lunn <andrew+netdev@...n.ch>,
	Simon Horman <horms@...nel.org>,
	Shuah Khan <shuah@...nel.org>,
	Jiri Pirko <jiri@...nulli.us>,
	Hangbin Liu <liuhangbin@...il.com>,
	linux-rdma@...r.kernel.org,
	linux-can@...r.kernel.org,
	osmocom-net-gprs@...ts.osmocom.org,
	bpf@...r.kernel.org,
	linux-ppp@...r.kernel.org,
	wireguard@...ts.zx2c4.com,
	linux-wireless@...r.kernel.org,
	b.a.t.m.a.n@...ts.open-mesh.org,
	bridge@...ts.linux.dev,
	linux-wpan@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH net-next v6 03/11] net: Use link netns in newlink() of rtnl_link_ops

These netdevice drivers already uses netns parameter in newlink()
callback. Convert them to use rtnl_newlink_link_net() or
rtnl_newlink_peer_net() for clarity and deprecate params->net.

Signed-off-by: Xiao Liang <shaw.leon@...il.com>
---
 drivers/infiniband/ulp/ipoib/ipoib_netlink.c       | 4 ++--
 drivers/net/amt.c                                  | 6 +++---
 drivers/net/bareudp.c                              | 4 ++--
 drivers/net/can/vxcan.c                            | 2 +-
 drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c | 4 ++--
 drivers/net/geneve.c                               | 4 ++--
 drivers/net/gtp.c                                  | 4 ++--
 drivers/net/ipvlan/ipvlan_main.c                   | 4 ++--
 drivers/net/macsec.c                               | 4 ++--
 drivers/net/macvlan.c                              | 5 +++--
 drivers/net/macvtap.c                              | 4 ++--
 drivers/net/netkit.c                               | 2 +-
 drivers/net/pfcp.c                                 | 4 ++--
 drivers/net/ppp/ppp_generic.c                      | 4 ++--
 drivers/net/veth.c                                 | 2 +-
 drivers/net/vxlan/vxlan_core.c                     | 4 ++--
 drivers/net/wireguard/device.c                     | 4 ++--
 drivers/net/wireless/virtual/virt_wifi.c           | 4 ++--
 drivers/net/wwan/wwan_core.c                       | 2 +-
 net/8021q/vlan_netlink.c                           | 4 ++--
 net/hsr/hsr_netlink.c                              | 8 ++++----
 21 files changed, 42 insertions(+), 41 deletions(-)

diff --git a/drivers/infiniband/ulp/ipoib/ipoib_netlink.c b/drivers/infiniband/ulp/ipoib/ipoib_netlink.c
index 61f2457aab77..ac01650b0ac2 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_netlink.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_netlink.c
@@ -99,10 +99,10 @@ static int ipoib_changelink(struct net_device *dev, struct nlattr *tb[],
 
 static int ipoib_new_child_link(struct rtnl_newlink_params *params)
 {
+	struct net *link_net = rtnl_newlink_link_net(params);
 	struct netlink_ext_ack *extack = params->extack;
 	struct net_device *dev = params->dev;
 	struct nlattr **data = params->data;
-	struct net *src_net = params->net;
 	struct nlattr **tb = params->tb;
 	struct net_device *pdev;
 	struct ipoib_dev_priv *ppriv;
@@ -112,7 +112,7 @@ static int ipoib_new_child_link(struct rtnl_newlink_params *params)
 	if (!tb[IFLA_LINK])
 		return -EINVAL;
 
-	pdev = __dev_get_by_index(src_net, nla_get_u32(tb[IFLA_LINK]));
+	pdev = __dev_get_by_index(link_net, nla_get_u32(tb[IFLA_LINK]));
 	if (!pdev || pdev->type != ARPHRD_INFINIBAND)
 		return -ENODEV;
 
diff --git a/drivers/net/amt.c b/drivers/net/amt.c
index 85878abb51d2..de4ea1a3f3d3 100644
--- a/drivers/net/amt.c
+++ b/drivers/net/amt.c
@@ -3163,16 +3163,16 @@ static int amt_validate(struct nlattr *tb[], struct nlattr *data[],
 
 static int amt_newlink(struct rtnl_newlink_params *params)
 {
+	struct net *link_net = rtnl_newlink_link_net(params);
 	struct netlink_ext_ack *extack = params->extack;
 	struct net_device *dev = params->dev;
 	struct nlattr **data = params->data;
 	struct nlattr **tb = params->tb;
-	struct net *net = params->net;
 	struct amt_dev *amt;
 	int err = -EINVAL;
 
 	amt = netdev_priv(dev);
-	amt->net = net;
+	amt->net = link_net;
 	amt->mode = nla_get_u32(data[IFLA_AMT_MODE]);
 
 	if (data[IFLA_AMT_MAX_TUNNELS] &&
@@ -3187,7 +3187,7 @@ static int amt_newlink(struct rtnl_newlink_params *params)
 	amt->hash_buckets = AMT_HSIZE;
 	amt->nr_tunnels = 0;
 	get_random_bytes(&amt->hash_seed, sizeof(amt->hash_seed));
-	amt->stream_dev = dev_get_by_index(net,
+	amt->stream_dev = dev_get_by_index(link_net,
 					   nla_get_u32(data[IFLA_AMT_LINK]));
 	if (!amt->stream_dev) {
 		NL_SET_ERR_MSG_ATTR(extack, tb[IFLA_AMT_LINK],
diff --git a/drivers/net/bareudp.c b/drivers/net/bareudp.c
index 4c2a50bbf7c0..1fe5dcae38f5 100644
--- a/drivers/net/bareudp.c
+++ b/drivers/net/bareudp.c
@@ -700,11 +700,11 @@ static void bareudp_dellink(struct net_device *dev, struct list_head *head)
 
 static int bareudp_newlink(struct rtnl_newlink_params *params)
 {
+	struct net *link_net = rtnl_newlink_link_net(params);
 	struct netlink_ext_ack *extack = params->extack;
 	struct net_device *dev = params->dev;
 	struct nlattr **data = params->data;
 	struct nlattr **tb = params->tb;
-	struct net *net = params->net;
 	struct bareudp_conf conf;
 	int err;
 
@@ -712,7 +712,7 @@ static int bareudp_newlink(struct rtnl_newlink_params *params)
 	if (err)
 		return err;
 
-	err = bareudp_configure(net, dev, &conf, extack);
+	err = bareudp_configure(link_net, dev, &conf, extack);
 	if (err)
 		return err;
 
diff --git a/drivers/net/can/vxcan.c b/drivers/net/can/vxcan.c
index 5d7717c22fab..e3c52c191086 100644
--- a/drivers/net/can/vxcan.c
+++ b/drivers/net/can/vxcan.c
@@ -174,10 +174,10 @@ static struct rtnl_link_ops vxcan_link_ops;
 
 static int vxcan_newlink(struct rtnl_newlink_params *params)
 {
+	struct net *peer_net = rtnl_newlink_peer_net(params);
 	struct netlink_ext_ack *extack = params->extack;
 	struct net_device *dev = params->dev;
 	struct nlattr **data = params->data;
-	struct net *peer_net = params->net;
 	struct nlattr **tb = params->tb;
 	struct vxcan_priv *priv;
 	struct net_device *peer;
diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c b/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c
index b4834651c693..7a6b746a3b15 100644
--- a/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c
+++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c
@@ -120,10 +120,10 @@ static void rmnet_unregister_bridge(struct rmnet_port *port)
 static int rmnet_newlink(struct rtnl_newlink_params *params)
 {
 	u32 data_format = RMNET_FLAGS_INGRESS_DEAGGREGATION;
+	struct net *link_net = rtnl_newlink_link_net(params);
 	struct netlink_ext_ack *extack = params->extack;
 	struct net_device *dev = params->dev;
 	struct nlattr **data = params->data;
-	struct net *src_net = params->net;
 	struct nlattr **tb = params->tb;
 	struct net_device *real_dev;
 	int mode = RMNET_EPMODE_VND;
@@ -137,7 +137,7 @@ static int rmnet_newlink(struct rtnl_newlink_params *params)
 		return -EINVAL;
 	}
 
-	real_dev = __dev_get_by_index(src_net, nla_get_u32(tb[IFLA_LINK]));
+	real_dev = __dev_get_by_index(link_net, nla_get_u32(tb[IFLA_LINK]));
 	if (!real_dev) {
 		NL_SET_ERR_MSG_MOD(extack, "link does not exist");
 		return -ENODEV;
diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c
index ea0a98a513ed..3dec3e5aae79 100644
--- a/drivers/net/geneve.c
+++ b/drivers/net/geneve.c
@@ -1616,11 +1616,11 @@ static void geneve_link_config(struct net_device *dev,
 
 static int geneve_newlink(struct rtnl_newlink_params *params)
 {
+	struct net *link_net = rtnl_newlink_link_net(params);
 	struct netlink_ext_ack *extack = params->extack;
 	struct net_device *dev = params->dev;
 	struct nlattr **data = params->data;
 	struct nlattr **tb = params->tb;
-	struct net *net = params->net;
 	struct geneve_config cfg = {
 		.df = GENEVE_DF_UNSET,
 		.use_udp6_rx_checksums = false,
@@ -1634,7 +1634,7 @@ static int geneve_newlink(struct rtnl_newlink_params *params)
 	if (err)
 		return err;
 
-	err = geneve_configure(net, dev, extack, &cfg);
+	err = geneve_configure(link_net, dev, extack, &cfg);
 	if (err)
 		return err;
 
diff --git a/drivers/net/gtp.c b/drivers/net/gtp.c
index 46d5734da7f3..50f8a0cd1d4b 100644
--- a/drivers/net/gtp.c
+++ b/drivers/net/gtp.c
@@ -1462,9 +1462,9 @@ static int gtp_create_sockets(struct gtp_dev *gtp, const struct nlattr *nla,
 
 static int gtp_newlink(struct rtnl_newlink_params *params)
 {
+	struct net *link_net = rtnl_newlink_link_net(params);
 	struct net_device *dev = params->dev;
 	struct nlattr **data = params->data;
-	struct net *src_net = params->net;
 	unsigned int role = GTP_ROLE_GGSN;
 	struct gtp_dev *gtp;
 	struct gtp_net *gn;
@@ -1495,7 +1495,7 @@ static int gtp_newlink(struct rtnl_newlink_params *params)
 	gtp->restart_count = nla_get_u8_default(data[IFLA_GTP_RESTART_COUNT],
 						0);
 
-	gtp->net = src_net;
+	gtp->net = link_net;
 
 	err = gtp_hashtable_new(gtp, hashsize);
 	if (err < 0)
diff --git a/drivers/net/ipvlan/ipvlan_main.c b/drivers/net/ipvlan/ipvlan_main.c
index a994fd54ada4..7d19771383c7 100644
--- a/drivers/net/ipvlan/ipvlan_main.c
+++ b/drivers/net/ipvlan/ipvlan_main.c
@@ -534,10 +534,10 @@ static int ipvlan_nl_fillinfo(struct sk_buff *skb,
 
 int ipvlan_link_new(struct rtnl_newlink_params *params)
 {
+	struct net *link_net = rtnl_newlink_link_net(params);
 	struct netlink_ext_ack *extack = params->extack;
 	struct net_device *dev = params->dev;
 	struct nlattr **data = params->data;
-	struct net *src_net = params->net;
 	struct nlattr **tb = params->tb;
 	struct ipvl_dev *ipvlan;
 	struct ipvl_port *port;
@@ -550,7 +550,7 @@ int ipvlan_link_new(struct rtnl_newlink_params *params)
 	if (!tb[IFLA_LINK])
 		return -EINVAL;
 
-	phy_dev = __dev_get_by_index(src_net, nla_get_u32(tb[IFLA_LINK]));
+	phy_dev = __dev_get_by_index(link_net, nla_get_u32(tb[IFLA_LINK]));
 	if (!phy_dev)
 		return -ENODEV;
 
diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c
index 9da111a6629c..ad53a67410dc 100644
--- a/drivers/net/macsec.c
+++ b/drivers/net/macsec.c
@@ -4143,11 +4143,11 @@ static struct lock_class_key macsec_netdev_addr_lock_key;
 
 static int macsec_newlink(struct rtnl_newlink_params *params)
 {
+	struct net *link_net = rtnl_newlink_link_net(params);
 	struct netlink_ext_ack *extack = params->extack;
 	struct net_device *dev = params->dev;
 	struct nlattr **data = params->data;
 	struct nlattr **tb = params->tb;
-	struct net *net = params->net;
 	rx_handler_func_t *rx_handler;
 	u8 icv_len = MACSEC_DEFAULT_ICV_LEN;
 	struct net_device *real_dev;
@@ -4159,7 +4159,7 @@ static int macsec_newlink(struct rtnl_newlink_params *params)
 
 	if (!tb[IFLA_LINK])
 		return -EINVAL;
-	real_dev = __dev_get_by_index(net, nla_get_u32(tb[IFLA_LINK]));
+	real_dev = __dev_get_by_index(link_net, nla_get_u32(tb[IFLA_LINK]));
 	if (!real_dev)
 		return -ENODEV;
 	if (real_dev->type != ARPHRD_ETHER)
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index 1915f54bd35a..7050a061b2b9 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -1567,8 +1567,9 @@ EXPORT_SYMBOL_GPL(macvlan_common_newlink);
 
 static int macvlan_newlink(struct rtnl_newlink_params *params)
 {
-	return macvlan_common_newlink(params->net, params->dev, params->tb,
-				      params->data, params->extack);
+	return macvlan_common_newlink(rtnl_newlink_link_net(params),
+				      params->dev, params->tb, params->data,
+				      params->extack);
 }
 
 void macvlan_dellink(struct net_device *dev, struct list_head *head)
diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c
index e5fd8a147310..01cf1efbe4c5 100644
--- a/drivers/net/macvtap.c
+++ b/drivers/net/macvtap.c
@@ -105,8 +105,8 @@ static int macvtap_newlink(struct rtnl_newlink_params *params)
 	/* Don't put anything that may fail after macvlan_common_newlink
 	 * because we can't undo what it does.
 	 */
-	err = macvlan_common_newlink(params->net, dev, params->tb, params->data,
-				     params->extack);
+	err = macvlan_common_newlink(rtnl_newlink_link_net(params), dev,
+				     params->tb, params->data, params->extack);
 	if (err) {
 		netdev_rx_handler_unregister(dev);
 		return err;
diff --git a/drivers/net/netkit.c b/drivers/net/netkit.c
index f5527bb533ab..79a2c37990fd 100644
--- a/drivers/net/netkit.c
+++ b/drivers/net/netkit.c
@@ -329,10 +329,10 @@ static struct rtnl_link_ops netkit_link_ops;
 
 static int netkit_new_link(struct rtnl_newlink_params *params)
 {
+	struct net *peer_net = rtnl_newlink_peer_net(params);
 	struct netlink_ext_ack *extack = params->extack;
 	struct net_device *dev = params->dev;
 	struct nlattr **data = params->data;
-	struct net *peer_net = params->net;
 	struct nlattr **tb = params->tb;
 	struct nlattr *peer_tb[IFLA_MAX + 1], **tbp = tb, *attr;
 	enum netkit_action policy_prim = NETKIT_PASS;
diff --git a/drivers/net/pfcp.c b/drivers/net/pfcp.c
index cb936da99674..e98724a71c22 100644
--- a/drivers/net/pfcp.c
+++ b/drivers/net/pfcp.c
@@ -186,14 +186,14 @@ static int pfcp_add_sock(struct pfcp_dev *pfcp)
 
 static int pfcp_newlink(struct rtnl_newlink_params *params)
 {
+	struct net *link_net = rtnl_newlink_link_net(params);
 	struct net_device *dev = params->dev;
-	struct net *net = params->net;
 	struct pfcp_dev *pfcp;
 	struct pfcp_net *pn;
 	int err;
 
 	pfcp = netdev_priv(dev);
-	pfcp->net = net;
+	pfcp->net = link_net;
 
 	err = pfcp_add_sock(pfcp);
 	if (err) {
diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c
index 5b58e7bb4e7b..316b6d01436b 100644
--- a/drivers/net/ppp/ppp_generic.c
+++ b/drivers/net/ppp/ppp_generic.c
@@ -1305,9 +1305,9 @@ static int ppp_nl_validate(struct nlattr *tb[], struct nlattr *data[],
 
 static int ppp_nl_newlink(struct rtnl_newlink_params *params)
 {
+	struct net *link_net = rtnl_newlink_link_net(params);
 	struct net_device *dev = params->dev;
 	struct nlattr **data = params->data;
-	struct net *src_net = params->net;
 	struct nlattr **tb = params->tb;
 	struct ppp_config conf = {
 		.unit = -1,
@@ -1345,7 +1345,7 @@ static int ppp_nl_newlink(struct rtnl_newlink_params *params)
 	if (!tb[IFLA_IFNAME] || !nla_len(tb[IFLA_IFNAME]) || !*(char *)nla_data(tb[IFLA_IFNAME]))
 		conf.ifname_is_set = false;
 
-	err = ppp_dev_configure(src_net, dev, &conf);
+	err = ppp_dev_configure(link_net, dev, &conf);
 
 out_unlock:
 	mutex_unlock(&ppp_mutex);
diff --git a/drivers/net/veth.c b/drivers/net/veth.c
index 04229c07023d..11ee821edcd6 100644
--- a/drivers/net/veth.c
+++ b/drivers/net/veth.c
@@ -1767,10 +1767,10 @@ static int veth_init_queues(struct net_device *dev, struct nlattr *tb[])
 
 static int veth_newlink(struct rtnl_newlink_params *params)
 {
+	struct net *peer_net = rtnl_newlink_peer_net(params);
 	struct netlink_ext_ack *extack = params->extack;
 	struct net_device *dev = params->dev;
 	struct nlattr **data = params->data;
-	struct net *peer_net = params->net;
 	struct nlattr **tb = params->tb;
 	int err;
 	struct net_device *peer;
diff --git a/drivers/net/vxlan/vxlan_core.c b/drivers/net/vxlan/vxlan_core.c
index b084adb6d319..751da726cf56 100644
--- a/drivers/net/vxlan/vxlan_core.c
+++ b/drivers/net/vxlan/vxlan_core.c
@@ -4395,10 +4395,10 @@ static int vxlan_nl2conf(struct nlattr *tb[], struct nlattr *data[],
 
 static int vxlan_newlink(struct rtnl_newlink_params *params)
 {
+	struct net *link_net = rtnl_newlink_link_net(params);
 	struct netlink_ext_ack *extack = params->extack;
 	struct net_device *dev = params->dev;
 	struct nlattr **data = params->data;
-	struct net *src_net = params->net;
 	struct nlattr **tb = params->tb;
 	struct vxlan_config conf;
 	int err;
@@ -4407,7 +4407,7 @@ static int vxlan_newlink(struct rtnl_newlink_params *params)
 	if (err)
 		return err;
 
-	return __vxlan_dev_create(src_net, dev, &conf, extack);
+	return __vxlan_dev_create(link_net, dev, &conf, extack);
 }
 
 static int vxlan_changelink(struct net_device *dev, struct nlattr *tb[],
diff --git a/drivers/net/wireguard/device.c b/drivers/net/wireguard/device.c
index 92aac080d2b5..b2ba9d9c6ad3 100644
--- a/drivers/net/wireguard/device.c
+++ b/drivers/net/wireguard/device.c
@@ -309,13 +309,13 @@ static void wg_setup(struct net_device *dev)
 
 static int wg_newlink(struct rtnl_newlink_params *params)
 {
+	struct net *link_net = rtnl_newlink_link_net(params);
 	struct net_device *dev = params->dev;
-	struct net *src_net = params->net;
 	struct wg_device *wg;
 	int ret = -ENOMEM;
 
 	wg = netdev_priv(dev);
-	rcu_assign_pointer(wg->creating_net, src_net);
+	rcu_assign_pointer(wg->creating_net, link_net);
 	init_rwsem(&wg->static_identity.lock);
 	mutex_init(&wg->socket_update_lock);
 	mutex_init(&wg->device_update_lock);
diff --git a/drivers/net/wireless/virtual/virt_wifi.c b/drivers/net/wireless/virtual/virt_wifi.c
index d64eb03e0ac8..5e7c7a1d7d5f 100644
--- a/drivers/net/wireless/virtual/virt_wifi.c
+++ b/drivers/net/wireless/virtual/virt_wifi.c
@@ -521,10 +521,10 @@ static rx_handler_result_t virt_wifi_rx_handler(struct sk_buff **pskb)
 /* Called with rtnl lock held. */
 static int virt_wifi_newlink(struct rtnl_newlink_params *params)
 {
+	struct net *link_net = rtnl_newlink_link_net(params);
 	struct netlink_ext_ack *extack = params->extack;
 	struct net_device *dev = params->dev;
 	struct virt_wifi_netdev_priv *priv;
-	struct net *src_net = params->net;
 	struct nlattr **tb = params->tb;
 	int err;
 
@@ -536,7 +536,7 @@ static int virt_wifi_newlink(struct rtnl_newlink_params *params)
 	netif_carrier_off(dev);
 
 	priv->upperdev = dev;
-	priv->lowerdev = __dev_get_by_index(src_net,
+	priv->lowerdev = __dev_get_by_index(link_net,
 					    nla_get_u32(tb[IFLA_LINK]));
 
 	if (!priv->lowerdev)
diff --git a/drivers/net/wwan/wwan_core.c b/drivers/net/wwan/wwan_core.c
index 908a3db61477..06a2172d1856 100644
--- a/drivers/net/wwan/wwan_core.c
+++ b/drivers/net/wwan/wwan_core.c
@@ -1070,7 +1070,7 @@ static void wwan_create_default_link(struct wwan_device *wwandev,
 	struct nlmsghdr *nlh;
 	struct sk_buff *msg;
 	struct rtnl_newlink_params params = {
-		.net = &init_net,
+		.src_net = &init_net,
 		.tb = tb,
 		.data = data,
 	};
diff --git a/net/8021q/vlan_netlink.c b/net/8021q/vlan_netlink.c
index 26a0f0a2ce27..0a9930017bba 100644
--- a/net/8021q/vlan_netlink.c
+++ b/net/8021q/vlan_netlink.c
@@ -137,10 +137,10 @@ static int vlan_changelink(struct net_device *dev, struct nlattr *tb[],
 
 static int vlan_newlink(struct rtnl_newlink_params *params)
 {
+	struct net *link_net = rtnl_newlink_link_net(params);
 	struct netlink_ext_ack *extack = params->extack;
 	struct net_device *dev = params->dev;
 	struct nlattr **data = params->data;
-	struct net *src_net = params->net;
 	struct nlattr **tb = params->tb;
 	struct net_device *real_dev;
 	struct vlan_dev_priv *vlan;
@@ -160,7 +160,7 @@ static int vlan_newlink(struct rtnl_newlink_params *params)
 		return -EINVAL;
 	}
 
-	real_dev = __dev_get_by_index(src_net, nla_get_u32(tb[IFLA_LINK]));
+	real_dev = __dev_get_by_index(link_net, nla_get_u32(tb[IFLA_LINK]));
 	if (!real_dev) {
 		NL_SET_ERR_MSG_MOD(extack, "link does not exist");
 		return -ENODEV;
diff --git a/net/hsr/hsr_netlink.c b/net/hsr/hsr_netlink.c
index 08d38e2e2962..9bc564e81827 100644
--- a/net/hsr/hsr_netlink.c
+++ b/net/hsr/hsr_netlink.c
@@ -31,10 +31,10 @@ static const struct nla_policy hsr_policy[IFLA_HSR_MAX + 1] = {
  */
 static int hsr_newlink(struct rtnl_newlink_params *params)
 {
+	struct net *link_net = rtnl_newlink_link_net(params);
 	struct netlink_ext_ack *extack = params->extack;
 	struct net_device *dev = params->dev;
 	struct nlattr **data = params->data;
-	struct net *src_net = params->net;
 	enum hsr_version proto_version;
 	unsigned char multicast_spec;
 	u8 proto = HSR_PROTOCOL_HSR;
@@ -48,7 +48,7 @@ static int hsr_newlink(struct rtnl_newlink_params *params)
 		NL_SET_ERR_MSG_MOD(extack, "Slave1 device not specified");
 		return -EINVAL;
 	}
-	link[0] = __dev_get_by_index(src_net,
+	link[0] = __dev_get_by_index(link_net,
 				     nla_get_u32(data[IFLA_HSR_SLAVE1]));
 	if (!link[0]) {
 		NL_SET_ERR_MSG_MOD(extack, "Slave1 does not exist");
@@ -58,7 +58,7 @@ static int hsr_newlink(struct rtnl_newlink_params *params)
 		NL_SET_ERR_MSG_MOD(extack, "Slave2 device not specified");
 		return -EINVAL;
 	}
-	link[1] = __dev_get_by_index(src_net,
+	link[1] = __dev_get_by_index(link_net,
 				     nla_get_u32(data[IFLA_HSR_SLAVE2]));
 	if (!link[1]) {
 		NL_SET_ERR_MSG_MOD(extack, "Slave2 does not exist");
@@ -71,7 +71,7 @@ static int hsr_newlink(struct rtnl_newlink_params *params)
 	}
 
 	if (data[IFLA_HSR_INTERLINK])
-		interlink = __dev_get_by_index(src_net,
+		interlink = __dev_get_by_index(link_net,
 					       nla_get_u32(data[IFLA_HSR_INTERLINK]));
 
 	if (interlink && interlink == link[0]) {
-- 
2.47.1


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