[PATCH 10/13] tty: make tty_release_redirect() static

Greg Kroah-Hartman
2021-04-08T12:51:59Z

No one calls this outside of the tty_io.c file, so mark this static and
do not export the symbol anymore.

Cc: Jiri Slaby <jirislaby@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/tty_io.c | 3 +--
include/linux/tty.h | 1 -
2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index 1c480c04374c..aa959f3371b1 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -547,7 +547,7 @@ EXPORT_SYMBOL_GPL(tty_wakeup);
* This is available to the pty code so if the master closes, if the
* slave is a redirect it can release the redirect.
*/
-struct file *tty_release_redirect(struct tty_struct *tty)
+static struct file *tty_release_redirect(struct tty_struct *tty)
{
struct file *f = NULL;

@@ -560,7 +560,6 @@ struct file *tty_release_redirect(struct tty_struct *tty)

return f;
}
-EXPORT_SYMBOL_GPL(tty_release_redirect);

/**
* __tty_hangup - actual handler for hangup events
diff --git a/include/linux/tty.h b/include/linux/tty.h
index 4b21d47bc098..1b6f5dc3dcb2 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -396,7 +396,6 @@ extern struct tty_struct *tty_kopen_shared(dev_t device);
extern void tty_kclose(struct tty_struct *tty);
extern int tty_dev_name_to_number(const char *name, dev_t *number);
extern ssize_t redirected_tty_write(struct kiocb *, struct iov_iter *);
-extern struct file *tty_release_redirect(struct tty_struct *tty);
#else
static inline void tty_kref_put(struct tty_struct *tty)
{ }
--
2.31.1