1 files changed, 13 insertions, 1 deletions

diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index fde69e589ca7..de37ebc3a4cf 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -1503,6 +1503,15 @@ int tty_hung_up_p(struct file * filp)
 
 EXPORT_SYMBOL(tty_hung_up_p);
 
+/**
+ * is_tty       -       checker whether file is a TTY
+ */
+int is_tty(struct file *filp)
+{
+        return filp->f_op->read == tty_read
+                || filp->f_op->read == hung_up_tty_read;
+}
+
 static void session_clear_tty(struct pid *session)
 {
         struct task_struct *p;
@@ -2673,6 +2682,7 @@ got_driver:
                 __proc_set_tty(current, tty);
         spin_unlock_irq(&current->sighand->siglock);
         mutex_unlock(&tty_mutex);
+        tty_audit_opening();
         return 0;
 }
 
@@ -2735,8 +2745,10 @@ static int ptmx_open(struct inode * inode, struct file * filp)
 
         check_tty_count(tty, "tty_open");
         retval = ptm_driver->open(tty, filp);
-        if (!retval)
+        if (!retval) {
+                tty_audit_opening();
                 return 0;
+        }
 out1:
         release_dev(filp);
         return retval;