--- linux/kernel/chr_drv/vt.c	2018/04/24 18:10:13	1.1.1.2
+++ linux/kernel/chr_drv/vt.c	2018/04/24 18:15:42	1.1.1.4
@@ -1,22 +1,20 @@
 /*
  *  kernel/chr_drv/vt.c
  *
- *  (C) 1992 obz under the linux copyright
+ *  Copyright (C) 1992 obz under the linux copyright
  */
 
-#include <errno.h>
-
-#include <sys/types.h>
-#include <sys/kd.h>
-#include <sys/vt.h>
-
-#include <asm/io.h>
-#include <asm/segment.h>
-
+#include <linux/types.h>
+#include <linux/errno.h>
 #include <linux/sched.h>
 #include <linux/tty.h>
 #include <linux/timer.h>
 #include <linux/kernel.h>
+#include <linux/kd.h>
+#include <linux/vt.h>
+
+#include <asm/io.h>
+#include <asm/segment.h>
 
 #include "vt_kern.h"
 
@@ -65,16 +63,18 @@ kiocsound(unsigned int freq)
 }
 
 /*
- * all the vt ioctls affect only consoles, so we reject all other ttys.
- * we also have the capability to modify any console, not just the fg_console.
+ * We handle the console-specific ioctl's here.  We allow the
+ * capability to modify any console, not just the fg_console. 
  */
-int
-vt_ioctl(struct tty_struct *tty, int dev, int cmd, int arg)
+int vt_ioctl(struct tty_struct *tty, struct file * file,
+	     unsigned int cmd, unsigned int arg)
 {
-	int console = dev ? dev - 1 : fg_console;
+	int console;
 	unsigned char ucval;
 
-	if (!IS_A_CONSOLE(dev) || console < 0 || console >= NR_CONSOLES)
+	console = tty->line - 1;
+
+	if (console < 0 || console >= NR_CONSOLES)
 		return -EINVAL;
 
 	switch (cmd) {