From 2cd0479204301c50c6149706fcd4df3058b2a8cc Mon Sep 17 00:00:00 2001
From: Toni <matzeton@googlemail.com>
Date: Wed, 26 Jan 2022 13:36:45 +0100
Subject: Serializing empty `risk blocks' pollutes the resulting string.
 (#1417)

Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
---
 src/lib/ndpi_utils.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src')

diff --git a/src/lib/ndpi_utils.c b/src/lib/ndpi_utils.c
index 4b1bd496c..9c18c0a4e 100644
--- a/src/lib/ndpi_utils.c
+++ b/src/lib/ndpi_utils.c
@@ -1110,6 +1110,10 @@ void ndpi_serialize_risk(ndpi_serializer *serializer,
 {
   u_int32_t i;
 
+  if (risk == NDPI_NO_RISK) {
+    return;
+  }
+
   ndpi_serialize_start_of_block(serializer, "flow_risk");
   for(i = 0; i < NDPI_MAX_RISK; i++) {
     ndpi_risk_enum r = (ndpi_risk_enum)i;
-- 
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