From 6ecfbb44000297c489228889ab5f7f1ab6e1925c Mon Sep 17 00:00:00 2001
From: Wolfgang Bumiller <w.bumiller@proxmox.com>
Date: Thu, 3 Nov 2016 08:17:14 +0100
Subject: [PATCH] fix a warning: discard is not a number

---
 PVE/QemuServer.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/PVE/QemuServer.pm b/PVE/QemuServer.pm
index 9999b83e..4e8fb205 100644
--- a/PVE/QemuServer.pm
+++ b/PVE/QemuServer.pm
@@ -4366,7 +4366,7 @@ sub vmconfig_update_disk {
 		    # update existing disk
 
 		    # skip non hotpluggable value
-		    if (&$safe_num_ne($drive->{discard}, $old_drive->{discard}) ||
+		    if (&$safe_string_ne($drive->{discard}, $old_drive->{discard}) ||
 			&$safe_string_ne($drive->{iothread}, $old_drive->{iothread}) ||
 			&$safe_string_ne($drive->{queues}, $old_drive->{queues}) ||
 			&$safe_string_ne($drive->{cache}, $old_drive->{cache})) {