tty: Remove !tty check from free_tty_struct()

free_tty_struct() is never called with NULL tty; the two call sites
would already have faulted on earlier access.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 0 insertions, 2 deletions

diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index c9f2365167df..a59930e59660 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -170,8 +170,6 @@ static void release_tty(struct tty_struct *tty, int idx);
 
 void free_tty_struct(struct tty_struct *tty)
 {
-        if (!tty)
-                return;
         tty_ldisc_deinit(tty);
         put_device(tty->dev);
         kfree(tty->write_buf);