http2: don't call stream-close on already closed streams

- bug: https://github.com/curl/curl/issues/4043
- fix: https://github.com/curl/curl/commit/c0c40ab075cdf86424dfe346a70a31b08dc651da

Change-Id: I90808233da69e8fc3d03189f8514bca1f73d90ee

diff --git a/lib/http2.c b/lib/http2.c
index 83e88ff..40af0ff 100644 (file)
--- a/lib/http2.c
+++ b/lib/http2.c
@@ -1720,11 +1720,11 @@ static ssize_t http2_recv(struct connectdata *conn, int sockindex,
 
     return retlen;
   }
-  /* If stream is closed, return 0 to signal the http routine to close
+  /* If this stream is closed, return 0 to signal the http routine to close
      the connection */
-  if(stream->closed) {
-    return http2_handle_stream_close(conn, data, stream, err);
-  }
+  if(stream->closed)
+    return 0;
+
   *err = CURLE_AGAIN;
   H2BUGF(infof(data, "http2_recv returns AGAIN for stream %u\n",
                stream->stream_id));