From aa7ea5b9d8f1dc1fdb1b951b6ae5356c24b1e2a7 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@redhat.com>
Date: Fri, 7 Nov 2014 17:04:37 -0800
Subject: [PATCH] librados: behave if errcb is NULL

Signed-off-by: Sage Weil <sage@redhat.com>
---
 src/librados/librados.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/librados/librados.cc b/src/librados/librados.cc
index 4b648ed394b4f..b86b008f35474 100644
--- a/src/librados/librados.cc
+++ b/src/librados/librados.cc
@@ -3783,7 +3783,8 @@ struct C_WatchCB2 : public librados::WatchCtx2 {
     wcb(arg, notify_id, cookie, notifier_gid, bl.c_str(), bl.length());
   }
   void handle_error(uint64_t cookie, int err) {
-    errcb(arg, cookie, err);
+    if (errcb)
+      errcb(arg, cookie, err);
   }
 };
 
-- 
2.39.5