mds: fix null pointer dereference in Server::handle_client_link()

Fixes: https://tracker.ceph.com/issues/43660
Signed-off-by: "Yan, Zheng" <zyan@redhat.com>

diff --git a/src/mds/Server.cc b/src/mds/Server.cc
index 35da262d408a17aa4c4f3a938eadb274b51c98e7..ce1e6fb5e0c6ea8b0a665ee07ff034a4c76971a9 100644 (file)
--- a/src/mds/Server.cc
+++ b/src/mds/Server.cc
@@ -6136,6 +6136,7 @@ void Server::handle_client_link(MDRequestRef& mdr)
     if (!targeti) {
       dout(10) << "ESTALE on path2, attempting recovery" << dendl;
       mdcache->find_ino_peers(req->get_filepath2().get_ino(), new C_MDS_TryFindInode(this, mdr));
+      return;
     }
     mdr->pin(targeti);