linux-kernel - [PATCH 2/3] selftests/user_events: Enable the event before write

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Date:   Thu,  8 Jun 2023 09:15:53 +0800
From:   sunliming <sunliming@...inos.cn>
To:     mhiramat@...nel.org, beaub@...ux.microsoft.com,
        rostedt@...dmis.org, shuah@...nel.org
Cc:     linux-kernel@...r.kernel.org, linux-trace-kernel@...r.kernel.org,
        linux-kselftest@...r.kernel.org, kelulanainsley@...il.com,
        sunliming <sunliming@...inos.cn>
Subject: [PATCH 2/3] selftests/user_events: Enable the event before write_fault test in ftrace self-test

The user_event has not be enabled in write_fault test in ftrace
self-test, Just enable it.

Signed-off-by: sunliming <sunliming@...inos.cn>
---
 tools/testing/selftests/user_events/ftrace_test.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tools/testing/selftests/user_events/ftrace_test.c b/tools/testing/selftests/user_events/ftrace_test.c
index abfb49558a26..d33bd31425db 100644
--- a/tools/testing/selftests/user_events/ftrace_test.c
+++ b/tools/testing/selftests/user_events/ftrace_test.c
@@ -373,6 +373,10 @@ TEST_F(user, write_fault) {
 	ASSERT_EQ(0, ioctl(self->data_fd, DIAG_IOCSREG, &reg));
 	ASSERT_EQ(0, reg.write_index);
 
+	/* Enable event */
+	self->enable_fd = open(enable_file, O_RDWR);
+	ASSERT_NE(-1, write(self->enable_fd, "1", sizeof("1")))
+
 	/* Write should work normally */
 	ASSERT_NE(-1, writev(self->data_fd, (const struct iovec *)io, 2));
 
-- 
2.25.1