1 files changed, 2 insertions, 0 deletions

diff --git a/fs/namespace.c b/fs/namespace.c
index 8bd3e4d448b9..5a4438445bf7 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -3488,6 +3488,8 @@ static int mntns_install(struct nsproxy *nsproxy, struct ns_common *ns)
                 return err;
         }
 
+        put_mnt_ns(old_mnt_ns);
+
         /* Update the pwd and root */
         set_fs_pwd(fs, &root);
         set_fs_root(fs, &root);