util-ebpf: early exit if no map

7 years ago · c938dbde27
parent e5d325a6ca
commit c938dbde27
1 changed files with 6 additions and 0 deletions
--- 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;