--- zzzz-none-000/linux-5.4.213/lib/kobject_uevent.c	2022-09-15 10:04:56.000000000 +0000
+++ alder-5690pro-762/linux-5.4.213/lib/kobject_uevent.c	2024-08-14 09:02:12.000000000 +0000
@@ -179,6 +179,18 @@
 	return r;
 }
 
+u64 uevent_next_seqnum(void)
+{
+	u64 seq;
+
+	mutex_lock(&uevent_sock_mutex);
+	seq = ++uevent_seqnum;
+	mutex_unlock(&uevent_sock_mutex);
+
+	return seq;
+}
+EXPORT_SYMBOL_GPL(uevent_next_seqnum);
+
 /**
  * kobject_synth_uevent - send synthetic uevent with arguments
  *
@@ -679,6 +691,43 @@
 EXPORT_SYMBOL_GPL(add_uevent_var);
 
 #if defined(CONFIG_NET)
+int broadcast_uevent(struct sk_buff *skb, __u32 pid, __u32 group,
+		     gfp_t allocation)
+{
+	struct uevent_sock *ue_sk;
+	int err = 0;
+
+	/* send netlink message */
+	mutex_lock(&uevent_sock_mutex);
+	list_for_each_entry(ue_sk, &uevent_sock_list, list) {
+		struct sock *uevent_sock = ue_sk->sk;
+		struct sk_buff *skb2;
+
+		skb2 = skb_clone(skb, allocation);
+		if (!skb2)
+			break;
+
+		err = netlink_broadcast(uevent_sock, skb2, pid, group,
+					allocation);
+		if (err)
+			break;
+	}
+	mutex_unlock(&uevent_sock_mutex);
+
+	kfree_skb(skb);
+	return err;
+}
+#else
+int broadcast_uevent(struct sk_buff *skb, __u32 pid, __u32 group,
+		     gfp_t allocation)
+{
+	kfree_skb(skb);
+	return 0;
+}
+#endif
+EXPORT_SYMBOL_GPL(broadcast_uevent);
+
+#if defined(CONFIG_NET)
 static int uevent_net_broadcast(struct sock *usk, struct sk_buff *skb,
 				struct netlink_ext_ack *extack)
 {