[PATCH 1/6] tty: Unexport system-wide tty_mutex

Peter Hurley
2015-11-28T02:40:09Z

tty_mutex is a core, system-wide lock; there is no reason for any
code outside the tty core to have direct access.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
---
drivers/tty/tty_io.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index 09e8d4f..64c4a7e 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -135,10 +135,8 @@ EXPORT_SYMBOL(tty_std_termios);

LIST_HEAD(tty_drivers); /* linked list of tty drivers */

-/* Mutex to protect creating and releasing a tty. This is shared with
- vt.c for deeply disgusting hack reasons */
+/* Mutex to protect creating and releasing a tty */
DEFINE_MUTEX(tty_mutex);
-EXPORT_SYMBOL(tty_mutex);

/* Spinlock to protect the tty->tty_files list */
DEFINE_SPINLOCK(tty_files_lock);
--
2.6.3