1 files changed, 1 insertions, 2 deletions

diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index c679ba653e1d..88f19536efad 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -2122,7 +2122,6 @@ static inline void flush_unauthorized_files(struct files_struct *files)
         long j = -1;
         int drop_tty = 0;
 
-        mutex_lock(&tty_mutex);
         tty = get_current_tty();
         if (tty) {
                 file_list_lock();
@@ -2140,8 +2139,8 @@ static inline void flush_unauthorized_files(struct files_struct *files)
                         }
                 }
                 file_list_unlock();
+                tty_kref_put(tty);
         }
-        mutex_unlock(&tty_mutex);
         /* Reset controlling tty. */
         if (drop_tty)
                 no_tty();