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Subject[PATCH 1/12] tty: Make __proc_set_tty static.
Currently all users of __proc_set_tty are in tty_io.c so
make the function static.

Signed-off-by: Eric W. Biederman <>
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)

-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);

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