--- ./drivers/char/tty_io.c.orig	2012-02-01 15:30:10.000000000 +0100
+++ ./drivers/char/tty_io.c.orig	2012-02-01 15:32:03.000000000 +0100
@@ -146,7 +146,7 @@ 
 static int tty_release(struct inode *, struct file *);
 long tty_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
 #ifdef CONFIG_COMPAT
-static long tty_compat_ioctl(struct file *file, unsigned int cmd,
+long tty_compat_ioctl(struct file *file, unsigned int cmd,
 				unsigned long arg);
 #else
 #define tty_compat_ioctl NULL