From: Daniel Stenberg <daniel@haxx.se>
Date: Thu, 19 Apr 2018 18:01:52 +0000 (+0200)
Subject: http2: clear the "drain counter" when a stream is closed
X-Git-Tag: curl-7_60_0~80
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=7645c6bd5ea6c337414a264b37f50995b0f9e7d2;p=thirdparty%2Fcurl.git

http2: clear the "drain counter" when a stream is closed

This fixes the notorious "httpc->drain_total >= data->state.drain"
assert.

Reported-by: Anders Bakken

Fixes #1680
Closes #2509
---

diff --git a/lib/http2.c b/lib/http2.c
index 077c03e6fe..6ac69b9b5a 100644
--- a/lib/http2.c
+++ b/lib/http2.c
@@ -162,6 +162,7 @@ static CURLcode http2_disconnect(struct connectdata *conn,
   nghttp2_session_del(c->h2);
   Curl_safefree(c->inbuf);
   http2_stream_free(conn->data->req.protop);
+  conn->data->state.drain = 0;
 
   H2BUGF(infof(conn->data, "HTTP/2 DISCONNECT done\n"));