From a168d838c1f1e223d39d52054d2eea0075e47df6 Mon Sep 17 00:00:00 2001
From: Mykola Golub <to.my.trociny@gmail.com>
Date: Sat, 18 Nov 2017 22:18:37 +0200
Subject: [PATCH] rbd-mirror: missing lock when re-sending update_sync_point

Signed-off-by: Mykola Golub <to.my.trociny@gmail.com>
---
 src/tools/rbd_mirror/ImageSync.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/tools/rbd_mirror/ImageSync.cc b/src/tools/rbd_mirror/ImageSync.cc
index 5c50b5fc79e..1c3f84e04d8 100644
--- a/src/tools/rbd_mirror/ImageSync.cc
+++ b/src/tools/rbd_mirror/ImageSync.cc
@@ -351,6 +351,7 @@ void ImageSync<I>::handle_update_sync_point(int r) {
     if (m_image_copy_request != nullptr) {
       m_update_sync_ctx = new FunctionContext(
         [this](int r) {
+          Mutex::Locker locker(m_lock);
           this->send_update_sync_point();
         });
       m_timer->add_event_after(m_update_sync_point_interval,
-- 
2.47.3