From 9d24f7b1265b922b4d4bf30abfdb0631fcac2cd5 Mon Sep 17 00:00:00 2001
From: Kamil Wiatrowski <kamilx.wiatrowski@intel.com>
Date: Thu, 26 Mar 2020 14:34:10 +0100
Subject: [PATCH] intel_pmu plugin: fix crash after specifying incorrect
 HardwareEvents names

If HardwareEvents group consisted of events that can't be resolved collectd
could crash.

Change-Id: Ia66732037161bce5fbff73dc635eb40fd1ad8eed
Signed-off-by: Kamil Wiatrowski <kamilx.wiatrowski@intel.com>
---
 src/intel_pmu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/intel_pmu.c b/src/intel_pmu.c
index 8216689d1..41975e7ab 100644
--- a/src/intel_pmu.c
+++ b/src/intel_pmu.c
@@ -611,7 +611,7 @@ static int pmu_add_hw_events(struct eventlist *el, char **e, size_t count) {
     }
 
     /* Multiple events parsed in one entry */
-    if (group) {
+    if (group && group_events_count > 0) {
       /* Mark last added event as group end */
       el->eventlist_last->end_group = 1;
     }
-- 
2.47.2