[PATCH v4 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@kylinos.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));