diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index a42c466f7092e2f519f8428be2669ab964a56575..6da962c9b21c880262a883db546ea1c8c7a99764 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -1423,6 +1423,8 @@ static void release_one_tty(struct work_struct *work)
 	list_del_init(&tty->tty_files);
 	file_list_unlock();
 
+	put_pid(tty->pgrp);
+	put_pid(tty->session);
 	free_tty_struct(tty);
 }