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>
diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index c927f42..b62bb67 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -3721,7 +3721,6 @@
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 402de89..5824a97 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -74,7 +74,6 @@
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 */