From: Jason Dillaman <dillaman@redhat.com>
Date: Wed, 25 Apr 2018 17:23:00 +0000 (-0400)
Subject: osdc/Objecter: prevent double-invocation of linger op callback
X-Git-Tag: v12.2.6~163^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=074a2806e43043ac9cf3de9e72acbd8df1937bd8;p=ceph.git

osdc/Objecter: prevent double-invocation of linger op callback

Fixes: http://tracker.ceph.com/issues/23872
Signed-off-by: Jason Dillaman <dillaman@redhat.com>
(cherry picked from commit 1bc6f31f8f5ce33176b8a346492b087728947a71)
---

diff --git a/src/osdc/Objecter.cc b/src/osdc/Objecter.cc
index 18ec1cf0d1839..0393be268ae3d 100644
--- a/src/osdc/Objecter.cc
+++ b/src/osdc/Objecter.cc
@@ -1641,6 +1641,7 @@ void Objecter::_check_linger_pool_dne(LingerOp *op, bool *need_unregister)
     if (osdmap->get_epoch() >= op->map_dne_bound) {
       if (op->on_reg_commit) {
 	op->on_reg_commit->complete(-ENOENT);
+	op->on_reg_commit = nullptr;
       }
       *need_unregister = true;
     }