librbd: potential race on image create request complete

Fixes: http://tracker.ceph.com/issues/24910 Signed-off-by: Mykola Golub <mgolub@suse.com>
ceph · Aug 18, 2018 · d9e5cfa · d9e5cfa
1 parent 4573c74
commit d9e5cfa
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/librbd/image/CreateRequest.cc b/src/librbd/image/CreateRequest.cc
@@ -737,8 +737,9 @@ void CreateRequest<I>::complete(int r) {
   }
 
   m_data_io_ctx.close();
-  m_on_finish->complete(r);
+  auto on_finish = m_on_finish;
   delete this;
+  on_finish->complete(r);
 }
 
 // cleanup