This patch enable to handle the case when updating null xattr
by null ACL.

When we try to set NULL into NULL xattr, xattr subsystem returns
-ENODATA. This patch enables to handle this error code.

[2/3] jffs2-xattr-v6-02-fix_posixacl_bug.patch
Signed-off-by: KaiGai Kohei <kaigai@ak.jp.nec.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>