ocfs2/xattr: assign errno to 'ret' in ocfs2_calc_xattr_init()

We need catch the errno returned by ocfs2_xattr_get_nolock() and assign
it to 'ret' for printing and noticing upper callers.

Link: http://lkml.kernel.org/r/5A571CAF.8050709@huawei.comSigned-off-by: NJun Piao <piaojun@huawei.com>
Reviewed-by: NAlex Chen <alex.chen@huawei.com>
Reviewed-by: NYiwen Jiang <jiangyiwen@huawei.com>
Acked-by: NGang He <ghe@suse.com>
Acked-by: NChangwei Ge <ge.changwei@h3c.com>
Cc: Mark Fasheh <mfasheh@versity.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Joseph Qi <jiangqi903@gmail.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

fs/ocfs2/xattr.c

@@ -646,6 +646,7 @@ int ocfs2_calc_xattr_init(struct inode *dir,
 			if (S_ISDIR(mode))
 				a_size <<= 1;
 		} else if (acl_len != 0 && acl_len != -ENODATA) {
+			ret = acl_len;
 			mlog_errno(ret);
 			return ret;
 		}