From fa45a5e96c2f31682047bb96508c85bf7746642b Mon Sep 17 00:00:00 2001
From: Jan Tattermusch <jtattermusch@google.com>
Date: Thu, 10 Mar 2016 14:38:27 -0800
Subject: [PATCH] fix race between send message and send initial metadata
---
src/core/transport/chttp2_transport.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/src/core/transport/chttp2_transport.c b/src/core/transport/chttp2_transport.c
index 19265252ca..03444fd4c2 100644
--- a/src/core/transport/chttp2_transport.c
+++ b/src/core/transport/chttp2_transport.c
@@ -851,9 +851,11 @@ static void perform_stream_op_locked(
if (stream_global->write_closed) {
grpc_chttp2_complete_closure_step(
exec_ctx, &stream_global->send_message_finished, 0);
- } else if (stream_global->id != 0) {
+ } else {
stream_global->send_message = op->send_message;
- grpc_chttp2_become_writable(transport_global, stream_global);
+ if (stream_global->id != 0) {
+ grpc_chttp2_become_writable(transport_global, stream_global);
+ }
}
}
--
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