From 668529dde3ecf35e24f39eaf3a3044099e4d5273 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 e111fa9cce..144177cd47 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 */