From e72168a9ea93bde9a7a17613654fb1f4826d65dd Mon Sep 17 00:00:00 2001
From: Vladimir Homutov <vl@nginx.com>
Date: Tue, 1 Feb 2022 13:01:10 +0300
Subject: [PATCH] QUIC: dead code removed.

The ngx_quic_parse_packet() now returns NGX_OK, NGX_ERROR (parsing failed)
and NGX_ABORT (unsupported version).
---
 src/event/quic/ngx_event_quic.c           | 4 ++--
 src/event/quic/ngx_event_quic_transport.c | 6 +++---
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/event/quic/ngx_event_quic.c b/src/event/quic/ngx_event_quic.c
index 20ff3305c..17143f3f7 100644
--- a/src/event/quic/ngx_event_quic.c
+++ b/src/event/quic/ngx_event_quic.c
@@ -764,8 +764,8 @@ ngx_quic_handle_packet(ngx_connection_t *c, ngx_quic_conf_t *conf,
 
     rc = ngx_quic_parse_packet(pkt);
 
-    if (rc == NGX_DECLINED || rc == NGX_ERROR) {
-        return rc;
+    if (rc == NGX_ERROR) {
+        return NGX_DECLINED;
     }
 
     pkt->parsed = 1;
diff --git a/src/event/quic/ngx_event_quic_transport.c b/src/event/quic/ngx_event_quic_transport.c
index 5cf6bc207..edd7c6b9f 100644
--- a/src/event/quic/ngx_event_quic_transport.c
+++ b/src/event/quic/ngx_event_quic_transport.c
@@ -285,14 +285,14 @@ ngx_quic_parse_packet(ngx_quic_header_t *pkt)
 
         if (ngx_quic_parse_short_header(pkt, NGX_QUIC_SERVER_CID_LEN) != NGX_OK)
         {
-            return NGX_DECLINED;
+            return NGX_ERROR;
         }
 
         return NGX_OK;
     }
 
     if (ngx_quic_parse_long_header(pkt) != NGX_OK) {
-        return NGX_DECLINED;
+        return NGX_ERROR;
     }
 
     if (!ngx_quic_supported_version(pkt->version)) {
@@ -300,7 +300,7 @@ ngx_quic_parse_packet(ngx_quic_header_t *pkt)
     }
 
     if (ngx_quic_parse_long_header_v1(pkt) != NGX_OK) {
-        return NGX_DECLINED;
+        return NGX_ERROR;
     }
 
     return NGX_OK;