interfaces: fix a crash report

(cherry picked from commit c00e8eb0)

interfaces: fix a crash report
(cherry picked from commit c00e8eb0)
ff45041c · Franco Fichtner · 2fdec3c0 · ff45041c
Commit ff45041c authored Aug 05, 2016 by Franco Fichtner
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interfaces_groups_edit.php src/www/interfaces_groups_edit.php +5 -0

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--- a/src/www/interfaces_groups_edit.php
+++ b/src/www/interfaces_groups_edit.php
@@ -75,6 +75,11 @@ if ($_SERVER['REQUEST_METHOD'] === 'GET') {
        }
    }

+    if (empty($pconfig['members'])) {
+        $input_errors[] = gettext("At least one group member must be specified.");
+        $pconfig['members'] = array();
+    }
+
    if (count($input_errors) == 0) {
      $ifgroupentry = array();
      $ifgroupentry['members'] = implode(' ', $pconfig['members']);