From 71d30ca9637b7a2417fcc15569906fc6f1e57cc7 Mon Sep 17 00:00:00 2001
From: Jason Dillaman <dillaman@redhat.com>
Date: Mon, 20 Nov 2017 11:03:17 -0500
Subject: [PATCH] rbd: disk usage on empty pool no longer returns an error
 message

Fixes: http://tracker.ceph.com/issues/22200
Signed-off-by: Jason Dillaman <dillaman@redhat.com>
(cherry picked from commit f4528122d66d1bc7dd07a64d1af7b65fe53f7b0b)
---
 src/tools/rbd/action/DiskUsage.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/tools/rbd/action/DiskUsage.cc b/src/tools/rbd/action/DiskUsage.cc
index 3a38a052fb3d2..9dde06e113a50 100644
--- a/src/tools/rbd/action/DiskUsage.cc
+++ b/src/tools/rbd/action/DiskUsage.cc
@@ -208,7 +208,7 @@ static int do_disk_usage(librbd::RBD &rbd, librados::IoCtx &io_ctx,
       ++count;
     }
   }
-  if (!found) {
+  if (imgname != nullptr && !found) {
     std::cerr << "specified image " << imgname << " is not found." << std::endl;
     return -ENOENT;
   }
-- 
2.39.5