# HG changeset patch
# User Roman Arutyunyan <arut@nginx.com>
# Date 1587480752 -10800
# Node ID 47dac6e0521a004aba69c88cffeb88d1a3e5d5b3
# Parent  b13176e717baafef7a3bbaff52a92a450b032f29
Fixed QUIC buffer consumption in send_chain().

diff --git a/src/event/ngx_event_quic.c b/src/event/ngx_event_quic.c
--- a/src/event/ngx_event_quic.c
+++ b/src/event/ngx_event_quic.c
@@ -2849,8 +2849,9 @@ ngx_quic_stream_send_chain(ngx_connectio
             return in;
         }
 
+        b->pos += n;
+
         if (n != (ssize_t) len) {
-            b->pos += n;
             return in;
         }
     }