From 13a41e14b69f2181c627bfb06f70862bb45c8ff9 Mon Sep 17 00:00:00 2001
From: Samuel Just <sam.just@inktank.com>
Date: Sun, 2 Feb 2014 20:05:20 -0800
Subject: [PATCH] FileStore: permit NULL onreadable callback

Signed-off-by: Samuel Just <sam.just@inktank.com>
---
 src/os/FileStore.cc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/os/FileStore.cc b/src/os/FileStore.cc
index db55ccc6f08..36f500b5606 100644
--- a/src/os/FileStore.cc
+++ b/src/os/FileStore.cc
@@ -1705,7 +1705,9 @@ void FileStore::_finish_op(OpSequencer *osr)
   if (o->onreadable_sync) {
     o->onreadable_sync->complete(0);
   }
-  op_finisher.queue(o->onreadable);
+  if (o->onreadable) {
+    op_finisher.queue(o->onreadable);
+  }
   delete o;
 }
 
-- 
2.47.3