From c938dbde27eb99bf19195e9ab2ae266d874f7468 Mon Sep 17 00:00:00 2001
From: Eric Leblond <eric@regit.org>
Date: Tue, 11 Jun 2019 22:05:34 +0200
Subject: [PATCH] util-ebpf: early exit if no map

---
 src/util-ebpf.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/util-ebpf.c b/src/util-ebpf.c
index 59f434a4cf..e4d4e45d64 100644
--- a/src/util-ebpf.c
+++ b/src/util-ebpf.c
@@ -664,6 +664,9 @@ static int EBPFForEachFlowV4Table(ThreadVars *th_v, LiveDevice *dev, const char
                                   )
 {
     int mapfd = EBPFGetMapFDByName(dev->dev, name);
+    if (mapfd == -1)
+        return -1;
+
     struct flowv4_keys key = {}, next_key;
     int found = 0;
     unsigned int i;
@@ -770,6 +773,9 @@ static int EBPFForEachFlowV6Table(ThreadVars *th_v,
                                   )
 {
     int mapfd = EBPFGetMapFDByName(dev->dev, name);
+    if (mapfd == -1)
+        return -1;
+
     struct flowv6_keys key = {}, next_key;
     int found = 0;
     unsigned int i;