tty: Termios locking - sort out real_tty confusions and lock reads

This moves us towards sanity and should mean our termios locking is now
complete and comprehensive.

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index fa162c93ee02..ac53d7f9b5d4 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -2605,7 +2605,7 @@ long tty_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
         case TIOCSTI:
                 return tiocsti(tty, p);
         case TIOCGWINSZ:
-                return tiocgwinsz(tty, p);
+                return tiocgwinsz(real_tty, p);
         case TIOCSWINSZ:
                 return tiocswinsz(tty, real_tty, p);
         case TIOCCONS: