luci-mod-network: interfaces.js: avoid stray empty device uci sections

Ensure that just created uci device sections are removed if the edit
option modal is cancelled without saving. This prevents empty, but
harmless `config device` sections from being created on a subsequent
Save & Apply operation.

Signed-off-by: Jo-Philipp Wich <jo@mein.io>
(cherry picked from commit c13ef9406c9c2e12c28d2065b342444af5e27c0b)

diff --git a/modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js b/modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js
index d44b0cf6d0d5d0e130565e64229610341e39651e..d0ffe02ee93b9640287b15bbdf48d0c7443f30b9 100644 (file)
--- a/modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js
+++ b/modules/luci-mod-network/htdocs/luci-static/resources/view/network/interfaces.js
@@ -1347,6 +1347,9 @@ return view.extend({
                                for (var i = 0; i < map.addedVLANs.length; i++)
                                        uci.remove('network', map.addedVLANs[i]);
 
+                       if (this.addedSection)
+                               uci.remove('network', this.addedSection);
+
                        return form.GridSection.prototype.handleModalCancel.apply(this, arguments);
                };