From 002cd8e3017f86edaa0c7efdb7c99e78c71034a2 Mon Sep 17 00:00:00 2001
From: Victor Julien <vjulien@oisf.net>
Date: Thu, 20 Oct 2022 15:24:52 +0200
Subject: [PATCH] flow: cleanup and clarify ancient debug messages

---
 src/flow-util.c | 19 ++++++++-----------
 1 file changed, 8 insertions(+), 11 deletions(-)

diff --git a/src/flow-util.c b/src/flow-util.c
index e48eeca26803..9495500bdb77 100644
--- a/src/flow-util.c
+++ b/src/flow-util.c
@@ -41,6 +41,8 @@
 
 #include "decode-icmpv4.h"
 
+#include "util-validate.h"
+
 /** \brief allocate a flow
  *
  *  We check against the memuse counter. If it passes that check we increment
@@ -162,13 +164,10 @@ void FlowInit(Flow *f, const Packet *p)
         FLOW_SET_IPV6_DST_ADDR_FROM_PACKET(p, &f->dst);
         f->min_ttl_toserver = f->max_ttl_toserver = IPV6_GET_HLIM((p));
         f->flags |= FLOW_IPV6;
+    } else {
+        SCLogDebug("neither IPv4 or IPv6, weird");
+        DEBUG_VALIDATE_BUG_ON(1);
     }
-#ifdef DEBUG
-    /* XXX handle default */
-    else {
-        printf("FIXME: %s:%s:%" PRId32 "\n", __FILE__, __FUNCTION__, __LINE__);
-    }
-#endif
 
     if (p->tcph != NULL) { /* XXX MACRO */
         SET_TCP_SRC_PORT(p,&f->sp);
@@ -187,12 +186,10 @@ void FlowInit(Flow *f, const Packet *p)
     } else if (p->sctph != NULL) { /* XXX MACRO */
         SET_SCTP_SRC_PORT(p,&f->sp);
         SET_SCTP_DST_PORT(p,&f->dp);
-    } /* XXX handle default */
-#ifdef DEBUG
-    else {
-        printf("FIXME: %s:%s:%" PRId32 "\n", __FILE__, __FUNCTION__, __LINE__);
+    } else {
+        /* nothing to do for this IP proto. */
+        SCLogDebug("no special setup for IP proto %u", p->proto);
     }
-#endif
     COPY_TIMESTAMP(&p->ts, &f->startts);
 
     f->protomap = FlowGetProtoMapping(f->proto);