From: Yunchuan Wen <yunchuan.wen@kylin-cloud.com>
Date: Mon, 19 Dec 2016 04:48:14 +0000 (+0800)
Subject: osdmaptool: fix divide by zero error
X-Git-Tag: v11.1.1~25^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=refs%2Fpull%2F12561%2Fhead;p=ceph.git

osdmaptool: fix divide by zero error

Signed-off-by: Yunchuan Wen <yunchuan.wen@kylin-cloud.com>
---

diff --git a/src/tools/osdmaptool.cc b/src/tools/osdmaptool.cc
index b679ad9621b4..5ed2b948a851 100644
--- a/src/tools/osdmaptool.cc
+++ b/src/tools/osdmaptool.cc
@@ -407,7 +407,7 @@ int main(int argc, const char **argv)
 	max_osd = i;
 
     }
-    uint64_t avg = total / in;
+    uint64_t avg = in ? (total / in) : 0;
     double dev = 0;
     for (int i=0; i<n; i++) {
       if (!osdmap.is_in(i))