From 7d9bef9286cd8efbed032d41a36e82d1c44058a7 Mon Sep 17 00:00:00 2001
From: Tatsuhiro Tsujikawa <tatsuhiro.t@gmail.com>
Date: Sat, 13 Sep 2014 11:59:23 +0900
Subject: http2: Fix busy loop when EOF is encountered

Previously we did not handle EOF from underlying transport socket and
wrongly just returned error code CURL_AGAIN from http2_recv, which
caused busy loop since socket has been closed.  This patch adds the
code to handle EOF situation and tells the upper layer that we got
EOF.
---
 lib/http2.c | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'lib/http2.c')

diff --git a/lib/http2.c b/lib/http2.c
index 604514d71..f86d3ebff 100644
--- a/lib/http2.c
+++ b/lib/http2.c
@@ -744,6 +744,12 @@ static ssize_t http2_recv(struct connectdata *conn, int sockindex,
   }
 
   infof(conn->data, "nread=%zd\n", nread);
+
+  if(nread == 0) {
+    failf(conn->data, "EOF");
+    return 0;
+  }
+
   rv = nghttp2_session_mem_recv(httpc->h2,
                                 (const uint8_t *)httpc->inbuf, nread);
 
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