From 02da87f7378053e6386a8b28aa8cbd4e50fc0f66 Mon Sep 17 00:00:00 2001
From: Markus Makela <markus.makela@mariadb.com>
Date: Mon, 30 Nov 2015 18:18:29 +0200
Subject: [PATCH] Fix to MXS-439: Weightby value of 0 no longer causes a crash

A weightby parameter with a value of 0 no longer causes SIGFPE and the
invalid weight value is set to the correct value of 1.
---
 server/modules/routing/readwritesplit/readwritesplit.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/server/modules/routing/readwritesplit/readwritesplit.c b/server/modules/routing/readwritesplit/readwritesplit.c
index 2b3215d74..433fcf24e 100644
--- a/server/modules/routing/readwritesplit/readwritesplit.c
+++ b/server/modules/routing/readwritesplit/readwritesplit.c
@@ -665,10 +665,7 @@ createInstance(SERVICE *service, char **options)
 
                     if (perc == 0)
                     {
-                        if (wght != 0)
-                        {
-                            perc = 1;
-                        }
+                        perc = 1;
                         MXS_ERROR("Weighting parameter '%s' with a value of %d for"
                                   " server '%s' rounds down to zero with total weight"
                                   " of %d for service '%s'. No queries will be "