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-rw-r--r--include/linux/tty.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/tty.h b/include/linux/tty.h
index 0ad6888..64c12a3 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -579,6 +579,8 @@ extern int __init tty_init(void);
/* tty_ioctl.c */
extern int n_tty_ioctl_helper(struct tty_struct *tty, struct file *file,
unsigned int cmd, unsigned long arg);
+extern long n_tty_compat_ioctl_helper(struct tty_struct *tty, struct file *file,
+ unsigned int cmd, unsigned long arg);
/* serial.c */