Currently all users of __proc_set_tty are in tty_io.c so
make the function static.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
---
 drivers/char/tty_io.c |    3 ++-
 include/linux/tty.h   |    1 -
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index a333881..bb09e4a 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -155,6 +155,7 @@ int tty_ioctl(struct inode * inode, struct file * file,
 	      unsigned int cmd, unsigned long arg);
 static int tty_fasync(int fd, struct file * filp, int on);
 static void release_mem(struct tty_struct *tty, int idx);
+static void __proc_set_tty(struct task_struct *tsk, struct tty_struct *tty);
 
 /**
  *	alloc_tty_struct	-	allocate a tty object
@@ -3796,7 +3797,7 @@ void proc_clear_tty(struct task_struct *p)
 }
 EXPORT_SYMBOL(proc_clear_tty);
 
-void __proc_set_tty(struct task_struct *tsk, struct tty_struct *tty)
+static void __proc_set_tty(struct task_struct *tsk, struct tty_struct *tty)
 {
 	if (tty) {
 		tty->session = process_session(tsk);
diff --git a/include/linux/tty.h b/include/linux/tty.h
index 0161a8c..1185bca 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -313,7 +313,6 @@ extern int tty_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
 
 extern dev_t tty_devnum(struct tty_struct *tty);
 extern void proc_clear_tty(struct task_struct *p);
-extern void __proc_set_tty(struct task_struct *tsk, struct tty_struct *tty);
 extern void proc_set_tty(struct task_struct *tsk, struct tty_struct *tty);
 extern struct tty_struct *get_current_tty(void);
 
-- 
1.4.4.1.g278f

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