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authorDaniel Walker <dwalker@mvista.com>2008-02-06 01:37:31 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-06 10:41:07 -0800
commiteb31005eaf3ca0705b404a78eb92f714c9449276 (patch)
tree4515cc3579c0184ead833c5cfa60b719f39f3006
parentd156042f9fdffcb0171dc20f0d8b6df3fbf779c4 (diff)
drivers/char/tty_io.c: remove pty_sem
I couldn't find any users, so removing it.. Signed-off-by: Daniel Walker <dwalker@mvista.com> Acked-by: Alan Cox <alan@redhat.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--drivers/char/tty_io.c1
-rw-r--r--include/linux/tty.h1
2 files changed, 0 insertions, 2 deletions
diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index c927f42c8e4..b62bb67c341 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -3721,7 +3721,6 @@ static void initialize_tty_struct(struct tty_struct *tty)
tty->buf.head = tty->buf.tail = NULL;
tty_buffer_init(tty);
INIT_DELAYED_WORK(&tty->buf.work, flush_to_ldisc);
- init_MUTEX(&tty->buf.pty_sem);
mutex_init(&tty->termios_mutex);
init_waitqueue_head(&tty->write_wait);
init_waitqueue_head(&tty->read_wait);
diff --git a/include/linux/tty.h b/include/linux/tty.h
index 402de892b3e..5824a9777ad 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -74,7 +74,6 @@ struct tty_buffer {
struct tty_bufhead {
struct delayed_work work;
- struct semaphore pty_sem;
spinlock_t lock;
struct tty_buffer *head; /* Queue head */
struct tty_buffer *tail; /* Active buffer */