From a4da590a0f134bbbd8f4e4249bf9dddf196c2c23 Mon Sep 17 00:00:00 2001
From: wangdi <wangdi>
Date: Fri, 4 Jul 2008 16:17:08 +0000
Subject: [PATCH] Branch: b1_6 checking import before put the import, because
 stale export disconnect might also trigger this llcd_ctxt_put b=15684
 i=adilger

---
 lustre/ptlrpc/recov_thread.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/lustre/ptlrpc/recov_thread.c b/lustre/ptlrpc/recov_thread.c
index 6bf6145..b930aaa 100644
--- a/lustre/ptlrpc/recov_thread.c
+++ b/lustre/ptlrpc/recov_thread.c
@@ -168,8 +168,10 @@ static void ctxt_llcd_put(struct llog_ctxt *ctxt)
                 llcd_put(ctxt->loc_llcd);
                 ctxt->loc_llcd = NULL;
         }
-        class_import_put(ctxt->loc_imp);
-        ctxt->loc_imp = NULL;
+        if (ctxt->loc_imp) {
+                class_import_put(ctxt->loc_imp);
+                ctxt->loc_imp = NULL;
+        }
         mutex_up(&ctxt->loc_sem);
 }
 
-- 
1.8.3.1