From 93ac68f5225bc0cf63ead3a3212539586d1fffb7 Mon Sep 17 00:00:00 2001
From: Aaro Koskinen <aaro.koskinen@nokia.com>
Date: Tue, 24 Feb 2015 18:32:31 +0200
Subject: [PATCH] bootchart: svg: fix checking of list end

If we have less samples than expected, systemd-bootchart will crash.

(cherry picked from commit c1682f17a0c966988e865c649e565dae41abf32d)
---
 src/bootchart/svg.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/bootchart/svg.c b/src/bootchart/svg.c
index e111fa9..144177c 100644
--- a/src/bootchart/svg.c
+++ b/src/bootchart/svg.c
@@ -1170,7 +1170,7 @@ static void svg_ps_bars(void) {
 
                 ps->sample = ps->sample->next;
                 sample_hz = ps->sample;
-                for (ii=0;((ii<(int)arg_hz/2)&&(ps->sample->next));ii++)
+                for (ii=0;((ii<(int)arg_hz/2)&&(sample_hz->next));ii++)
                         sample_hz = sample_hz->next;
 
                 /* subtract bootchart cpu utilization from total */