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tty: Unexport system-wide tty_mutex

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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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Peter Hurley 2016-01-09 21:35:18 -08:00 committed by Greg Kroah-Hartman
parent 9de2a7cef9
commit d1d027eff5
1 changed files with 1 additions and 3 deletions
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4
drivers/tty/tty_io.c
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@ -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);