librbd: potential race on image create request complete

Fixes: http://tracker.ceph.com/issues/24910 Signed-off-by: Mykola Golub <mgolub@suse.com> (cherry picked from commit d9e5cfa)
ceph · Sep 2, 2018 · f156199 · f156199
1 parent 42cfc1b
commit f156199
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/librbd/image/CreateRequest.cc b/src/librbd/image/CreateRequest.cc
@@ -768,8 +768,9 @@ 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