From e049e53d9baf21acc7f274258caa3a303017de1b Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Tue, 9 Sep 2008 14:53:09 -0700
Subject: [PATCH] osdmaptool: require num_osd > 0 when creating new osdmap

---
 src/osdmaptool.cc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/osdmaptool.cc b/src/osdmaptool.cc
index bb81e0e72f113..a1b03a21cb905 100644
--- a/src/osdmaptool.cc
+++ b/src/osdmaptool.cc
@@ -117,6 +117,10 @@ int main(int argc, const char **argv)
       cerr << me << ": can't read monmap from " << monmapfn << ": " << strerror(r) << std::endl;
       exit(1);
     }
+    if (num_osd < 1) {
+      cerr << me << ": osd count must be > 0" << std::endl;
+      exit(1);
+    }
     osdmap.build_simple(0, monmap.fsid, num_osd, pg_bits, 0);
     modified = true;
   }
-- 
2.39.5