From 6c792cb4cc7309a9e925e30322bda9c4d6facab7 Mon Sep 17 00:00:00 2001
From: Victor Julien <victor@inliniac.net>
Date: Fri, 19 Jun 2015 13:09:36 +0200
Subject: [PATCH] erspan: respect vlan.use-for-tracking setting

---
 src/decode-erspan.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/decode-erspan.c b/src/decode-erspan.c
index ff6390b523..f2fb0eb124 100644
--- a/src/decode-erspan.c
+++ b/src/decode-erspan.c
@@ -64,12 +64,13 @@ int DecodeERSPAN(ThreadVars *tv, DecodeThreadVars *dtv, Packet *p, uint8_t *pkt,
         return TM_ECODE_FAILED;
     }
 
-    if (vlan_id > 0) {
+    if (vlan_id > 0 && dtv->vlan_disabled == 0) {
         if (p->vlan_idx >= 2) {
             ENGINE_SET_EVENT(p,ERSPAN_TOO_MANY_VLAN_LAYERS);
             return TM_ECODE_FAILED;
         }
-        p->vlan_id[p->vlan_idx++] = vlan_id;
+        p->vlan_id[p->vlan_idx] = vlan_id;
+        p->vlan_idx++;
     }
 
     return DecodeEthernet(tv, dtv, p, pkt + sizeof(ErspanHdr), len - sizeof(ErspanHdr), pq);