--- zzzz-none-000/linux-4.4.60/fs/xfs/xfs_acl.c	2017-04-08 07:53:53.000000000 +0000
+++ jet-2400-727/linux-4.4.60/fs/xfs/xfs_acl.c	2021-03-17 14:36:41.000000000 +0000
@@ -289,8 +289,10 @@
 
 	if (type == ACL_TYPE_ACCESS) {
 		umode_t mode;
-
+		struct posix_acl *old_acl = acl;
 		error = posix_acl_update_mode(inode, &mode, &acl);
+		if (!acl)
+			posix_acl_release(old_acl);
 		if (error)
 			return error;
 		error = xfs_set_mode(inode, mode);