From: Victor Julien <victor@inliniac.net>
Date: Sat, 15 Dec 2018 14:20:39 +0000 (+0100)
Subject: offloading: don't set multiple times per interface
X-Git-Tag: suricata-4.1.2~11
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fa6b73d1c9f88d5ee534f5d85cb29d9426b78e20;p=thirdparty%2Fsuricata.git

offloading: don't set multiple times per interface

This could happen with netmap igb0->igb0^ IPS mode.
---

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