TTY: fix fail path in tty_open

When tty_add_file fails we omit to clean up. Fix that by calling
tty_release appropriatelly.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index 8540f2bab9c6..55bb456e8f1c 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -1894,6 +1894,7 @@ got_driver:
         retval = tty_add_file(tty, filp);
         if (retval) {
                 tty_unlock();
+                tty_release(inode, filp);
                 return retval;
         }