luci-base: luci.js: L.dom.data(): gracefully handle non-node argument

Signed-off-by: Jo-Philipp Wich <jo@mein.io>
(cherry picked from commit 308215ca156212ad2a632b31179c2284a59a8556)

diff --git a/modules/luci-base/htdocs/luci-static/resources/luci.js b/modules/luci-base/htdocs/luci-static/resources/luci.js
index b281da5e5c0275786bea0b483c6e3ff8f7df5b23..dbe2510527a9a2c1c473be21e802a9516797416a 100644 (file)
--- a/modules/luci-base/htdocs/luci-static/resources/luci.js
+++ b/modules/luci-base/htdocs/luci-static/resources/luci.js
@@ -2520,6 +2520,9 @@
                         * be found.
                         */
                        data: function(node, key, val) {
+                               if (!node || !node.getAttribute)
+                                       return null;
+
                                var id = node.getAttribute('data-idref');
 
                                /* clear all data */