switch ->is_visible() to returning umode_t

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/drivers/scsi/cxgbi/libcxgbi.h b/drivers/scsi/cxgbi/libcxgbi.h
index 20c88279..80fa99b 100644
--- a/drivers/scsi/cxgbi/libcxgbi.h
+++ b/drivers/scsi/cxgbi/libcxgbi.h
@@ -709,7 +709,7 @@
 
 void cxgbi_cleanup_task(struct iscsi_task *task);
 
-mode_t cxgbi_attr_is_visible(int param_type, int param);
+umode_t cxgbi_attr_is_visible(int param_type, int param);
 void cxgbi_get_conn_stats(struct iscsi_cls_conn *, struct iscsi_stats *);
 int cxgbi_set_conn_param(struct iscsi_cls_conn *,
 			enum iscsi_param, char *, int);