From baca968c298f978321796836e9ef8a2a76f579ab Mon Sep 17 00:00:00 2001
From: Ermal <eri@pfsense.org>
Date: Tue, 11 Nov 2014 21:35:29 +0100
Subject: [PATCH] Do not do operations for empty group members

---
 etc/inc/auth.inc | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/etc/inc/auth.inc b/etc/inc/auth.inc
index 0fe9d20f2..81a54bdf4 100644
--- a/etc/inc/auth.inc
+++ b/etc/inc/auth.inc
@@ -623,10 +623,13 @@ function local_group_set($group, $reset = false) {
 
 	$group_name = $group['name'];
 	$group_gid = $group['gid'];
-	$group_members = "''";
+	$group_members = '';
 	if (!$reset && !empty($group['member']) && count($group['member']) > 0)
 		$group_members = implode(",",$group['member']);
 
+	if (empty($group_members))
+		return;
+
 	/* read from group db */
 	$fd = popen("/usr/sbin/pw groupshow {$group_name} 2>&1", "r");
 	$pwread = fgets($fd);