--- zzzz-none-000/linux-4.4.271/fs/proc/proc_tty.c	2021-06-03 06:22:09.000000000 +0000
+++ hawkeye-5590-750/linux-4.4.271/fs/proc/proc_tty.c	2023-04-19 10:22:30.000000000 +0000
@@ -144,7 +144,10 @@
 void proc_tty_register_driver(struct tty_driver *driver)
 {
 	struct proc_dir_entry *ent;
-		
+
+	if (IS_ENABLED(CONFIG_PROC_STRIPPED))
+		return;
+
 	if (!driver->driver_name || driver->proc_entry ||
 	    !driver->ops->proc_fops)
 		return;
@@ -161,6 +164,9 @@
 {
 	struct proc_dir_entry *ent;
 
+	if (IS_ENABLED(CONFIG_PROC_STRIPPED))
+		return;
+
 	ent = driver->proc_entry;
 	if (!ent)
 		return;
@@ -175,6 +181,9 @@
  */
 void __init proc_tty_init(void)
 {
+	if (IS_ENABLED(CONFIG_PROC_STRIPPED))
+		return;
+
 	if (!proc_mkdir("tty", NULL))
 		return;
 	proc_mkdir("tty/ldisc", NULL);	/* Preserved: it's userspace visible */