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

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Message-Id: <1448678317-9093-2-git-send-email-peter@hurleysoftware.com>
Date:	Fri, 27 Nov 2015 21:38:32 -0500
From:	Peter Hurley <peter@...leysoftware.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	Jiri Slaby <jslaby@...e.cz>, linux-kernel@...r.kernel.org,
	Peter Hurley <peter@...leysoftware.com>
Subject: [PATCH 1/6] tty: Unexport system-wide tty_mutex

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@...leysoftware.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

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