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Subject[PATCH 04/36] tty: tty_io: Move 'tty_sysctl_init's prototype to shared space
Date
Fixes the following W=1 kernel build warning(s):

drivers/tty/tty_ldisc.c:883:6: warning: no previous prototype for ‘tty_sysctl_init’ [-Wmissing-prototypes]
883 | void tty_sysctl_init(void)
| ^~~~~~~~~~~~~~~

Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jiri Slaby <jirislaby@kernel.org>
Cc: Nick Holloway <alfie@dcs.warwick.ac.uk>
Cc: -- <julian@uhunix.uhcc.hawaii.edu>
Cc: Marko Kohtala <Marko.Kohtala@hut.fi>
Cc: Bill Hawes <whawes@star.net>
Cc: "C. Scott Ananian" <cananian@alumni.princeton.edu>
Cc: Russell King <rmk@arm.linux.org.uk>
Cc: Andrew Morton <andrewm@uow.edu.eu>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
---
drivers/tty/tty_io.c | 2 --
include/linux/tty.h | 1 +
2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index 7a4c02548fb3f..88b00c47b606e 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -514,8 +514,6 @@ static const struct file_operations hung_up_tty_fops = {
static DEFINE_SPINLOCK(redirect_lock);
static struct file *redirect;

-extern void tty_sysctl_init(void);
-
/**
* tty_wakeup - request more data
* @tty: terminal
diff --git a/include/linux/tty.h b/include/linux/tty.h
index a99e9b8e4e316..10212c6e4345e 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -716,6 +716,7 @@ extern int __must_check tty_ldisc_init(struct tty_struct *tty);
extern void tty_ldisc_deinit(struct tty_struct *tty);
extern int tty_ldisc_receive_buf(struct tty_ldisc *ld, const unsigned char *p,
char *f, int count);
+extern void tty_sysctl_init(void);

/* n_tty.c */
extern void n_tty_inherit_ops(struct tty_ldisc_ops *ops);
--
2.25.1
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