luci-mod-system: Set description to blank if the trigger has none

In this case the cbi description div will not be generated and when
switching to another trigger later, attempts to change the description
div contents will fail.

Signed-off-by: Florian Eckert <fe@dev.tdt.de>
(cherry picked from commit 3de544600385ca365c833aec99f89113daa12292)

diff --git a/modules/luci-mod-system/htdocs/luci-static/resources/view/system/leds.js b/modules/luci-mod-system/htdocs/luci-static/resources/view/system/leds.js
index c0cbd7a4f1cd1d35b969f1ca5752ac6868f74b5d..d6f51d1f9b06b8645be914f1292d9cbb3af47d1a 100644 (file)
--- a/modules/luci-mod-system/htdocs/luci-static/resources/view/system/leds.js
+++ b/modules/luci-mod-system/htdocs/luci-static/resources/view/system/leds.js
@@ -89,7 +89,7 @@ return view.extend({
                                var plugin = plugins[i];
                                if ( plugin.name === value )
                                        this.map.findElement('id', 'cbid.system.%s.trigger'.format(section))
-                                               .nextElementSibling.innerHTML = plugin.form.description || '';
+                                               .nextElementSibling.innerHTML = plugin.form.description || ' ';
                        }
                }
                o.load = function(section_id) {