luci-mod-system: fix button disabled status

Signed-off-by: Huangbin Zhan <zhanhb88@gmail.com>

diff --git a/modules/luci-mod-system/htdocs/luci-static/resources/view/system/flash.js b/modules/luci-mod-system/htdocs/luci-static/resources/view/system/flash.js
index c1e12737722d17b18fb65ca6957795f2d398a601..4a1058d0d9df647f1f8e8a54f481cb64d15fea40 100644 (file)
--- a/modules/luci-mod-system/htdocs/luci-static/resources/view/system/flash.js
+++ b/modules/luci-mod-system/htdocs/luci-static/resources/view/system/flash.js
@@ -426,7 +426,7 @@ return view.extend({
                                                E('button', {
                                                        'class': 'cbi-button cbi-button-save',
                                                        'click': ui.createHandlerFn(view, 'handleBackupSave', this.map),
-                                                       'disabled': isReadonlyView
+                                                       'disabled': isReadonlyView || null
                                                }, [ _('Save') ])
                                        ]));