From c279d71173c68ede01dd5225b47172c1e94f5b6b Mon Sep 17 00:00:00 2001
From: Rob Crittenden <rcritten@redhat.com>
Date: Jun 25 2020 21:25:25 +0000
Subject: Avoid a modulo by zero


range (tweight) could be 0 so check for that before getting the
mod of r.

---

diff --git a/src/srvloc.c b/src/srvloc.c
index e8f3f5a..2269857 100644
--- a/src/srvloc.c
+++ b/src/srvloc.c
@@ -97,6 +97,9 @@ cm_srvloc_rand(unsigned int range)
 	if (r < 0) {
 		r = -r;
 	}
+	if (range == 0) {
+		return 0;
+	}
 	return r % range;
 }
 #else