linux-kernel - [PATCH -next v2 3/5] selftests/memory-hotplug: Add checking after online or offline

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Date:   Thu, 15 Sep 2022 16:57:55 +0800
From:   Zhao Gongyi <zhaogongyi@...wei.com>
To:     <linux-doc@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-mm@...ck.org>, <linux-kselftest@...r.kernel.org>
CC:     <akinobu.mita@...il.com>, <corbet@....net>, <david@...hat.com>,
        <osalvador@...e.de>, <shuah@...nel.org>,
        Zhao Gongyi <zhaogongyi@...wei.com>
Subject: [PATCH -next v2 3/5] selftests/memory-hotplug: Add checking after online or offline

Add checking for online_memory_expect_success()/
offline_memory_expect_success()/offline_memory_expect_fail(), or
the test would exit 0 although the functions return 1.

Signed-off-by: Zhao Gongyi <zhaogongyi@...wei.com>
---
 .../memory-hotplug/mem-on-off-test.sh          | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)

diff --git a/tools/testing/selftests/memory-hotplug/mem-on-off-test.sh b/tools/testing/selftests/memory-hotplug/mem-on-off-test.sh
index f1a9d81b934c..3bdf3c4d6d06 100755
--- a/tools/testing/selftests/memory-hotplug/mem-on-off-test.sh
+++ b/tools/testing/selftests/memory-hotplug/mem-on-off-test.sh
@@ -267,7 +267,11 @@ done
 printf %#x $error > $NOTIFIER_ERR_INJECT_DIR/actions/MEM_GOING_ONLINE/erro

 for memory in `hotpluggable_offline_memory`; do
-	online_memory_expect_fail $memory
+	online_memory_expect_fail $memory || {
+		echo "online memory $memory: unexpected success"
+		retval=1
+	}
+
 done

 #
@@ -275,7 +279,11 @@ done
 #
 echo 0 > $NOTIFIER_ERR_INJECT_DIR/actions/MEM_GOING_ONLINE/error
 for memory in `hotpluggable_offline_memory`; do
-	online_memory_expect_success $memory
+	online_memory_expect_success $memory || {
+		echo "online memory $memory: unexpected fail"
+		retval=1
+	}
+
 done

 #
@@ -284,7 +292,11 @@ done
 printf %#x $error > $NOTIFIER_ERR_INJECT_DIR/actions/MEM_GOING_OFFLINE/error
 for memory in `hotpluggable_online_memory`; do
 	if [ $((RANDOM % 100)) -lt $ratio ]; then
-		offline_memory_expect_fail $memory
+		offline_memory_expect_fail $memory || {
+			echo "offline memory $memory: unexpected success"
+			retval=1
+		}
+
 	fi
 done

--
2.17.1