1 files changed, 4 insertions, 2 deletions

diff --git a/include/linux/tty.h b/include/linux/tty.h
index 04827ca65781..44091c0db0b4 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -174,7 +174,7 @@ struct tty_struct {
         struct tty_driver *driver;
         int index;
         struct tty_ldisc ldisc;
-        struct semaphore termios_sem;
+        struct mutex termios_mutex;
         struct termios *termios, *termios_locked;
         char name[64];
         int pgrp;
@@ -190,7 +190,6 @@ struct tty_struct {
         struct tty_struct *link;
         struct fasync_struct *fasync;
         struct tty_bufhead buf;
-        int max_flip_cnt;
         int alt_speed;          /* For magic substitution of 38400 bps */
         wait_queue_head_t write_wait;
         wait_queue_head_t read_wait;
@@ -308,6 +307,9 @@ extern void tty_ldisc_put(int);
 extern void tty_wakeup(struct tty_struct *tty);
 extern void tty_ldisc_flush(struct tty_struct *tty);
 
+extern int tty_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
+                     unsigned long arg);
+
 extern struct mutex tty_mutex;
 
 /* n_tty.c */