From fa6b73d1c9f88d5ee534f5d85cb29d9426b78e20 Mon Sep 17 00:00:00 2001
From: Victor Julien <victor@inliniac.net>
Date: Sat, 15 Dec 2018 15:20:39 +0100
Subject: [PATCH] offloading: don't set multiple times per interface

This could happen with netmap igb0->igb0^ IPS mode.
---
 src/util-ioctl.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/util-ioctl.c b/src/util-ioctl.c
index dbbda654f6..9141041d30 100644
--- a/src/util-ioctl.c
+++ b/src/util-ioctl.c
@@ -691,6 +691,9 @@ int GetIfaceOffloading(const char *dev, int csum, int other)
 
 int DisableIfaceOffloading(LiveDevice *dev, int csum, int other)
 {
+    /* already set */
+    if (dev->offload_orig != 0)
+        return 0;
 #if defined HAVE_LINUX_ETHTOOL_H && defined SIOCETHTOOL
     return DisableIfaceOffloadingLinux(dev, csum, other);
 #elif defined SIOCSIFCAP