From 1aa674c27bbd8be9019a9e6d16cf1794702df376 Mon Sep 17 00:00:00 2001
From: Jason Dillaman <dillaman@redhat.com>
Date: Mon, 18 Jan 2016 17:53:00 -0500
Subject: [PATCH] librbd: missing lock on state transition

Signed-off-by: Jason Dillaman <dillaman@redhat.com>
---
 src/librbd/ExclusiveLock.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/librbd/ExclusiveLock.cc b/src/librbd/ExclusiveLock.cc
index fd362ef4a98c7..cef72cceca797 100644
--- a/src/librbd/ExclusiveLock.cc
+++ b/src/librbd/ExclusiveLock.cc
@@ -339,8 +339,8 @@ void ExclusiveLock<I>::send_acquire_lock() {
 
 template <typename I>
 void ExclusiveLock<I>::handle_acquiring_lock(int r) {
-  CephContext *cct = m_image_ctx.cct;
-  ldout(cct, 10) << this << " " << __func__ << dendl;
+  Mutex::Locker locker(m_lock);
+  ldout(m_image_ctx.cct, 10) << this << " " << __func__ << dendl;
 
   assert(r == 0);
   assert(m_state == STATE_ACQUIRING);
-- 
2.39.5