From 58665e93a98d014b53d131b2481ccab074efc9ff Mon Sep 17 00:00:00 2001
From: Ivan Nardi <12729895+IvanNardi@users.noreply.github.com>
Date: Tue, 6 Jul 2021 18:55:14 +0200
Subject: Fix return value of ndpi_match_string_subprotocol() (#1230)

---
 src/lib/ndpi_main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/lib/ndpi_main.c b/src/lib/ndpi_main.c
index 854666b7a..d014da328 100644
--- a/src/lib/ndpi_main.c
+++ b/src/lib/ndpi_main.c
@@ -6682,7 +6682,7 @@ int ndpi_match_string_subprotocol(struct ndpi_detection_module_struct *ndpi_str,
   rc = ndpi_match_string_common(((AC_AUTOMATA_t *) automa->ac_automa),
 		  string_to_match,string_to_match_len, &ret_match->protocol_id,
 		  &ret_match->protocol_category, &ret_match->protocol_breed);
-  return rc < 0 ? rc : ret_match->protocol_id;
+  return rc < 0 ? NDPI_PROTOCOL_UNKNOWN : ret_match->protocol_id;
 }
 
 /* **************************************** */
-- 
cgit v1.2.3