commit70779b8973
upstream. The reference count of the old buffer head should be decremented on path that fails to get the new buffer head. Fixes:6b4657667b
("fs/affs: add rename exchange") CC: stable@vger.kernel.org # 4.14+ Signed-off-by: Pan Bian <bianpan2016@163.com> Signed-off-by: David Sterba <dsterba@suse.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>