Turns out that if bpffs was not mounted, the test was silently passing. So ensure it passes by checking the mount command result. Signed-off-by: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx> --- no changes in v2 --- tools/testing/selftests/hid/hid_bpf.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/hid/hid_bpf.c b/tools/testing/selftests/hid/hid_bpf.c index d215bb492eb4..3b204a15e44b 100644 --- a/tools/testing/selftests/hid/hid_bpf.c +++ b/tools/testing/selftests/hid/hid_bpf.c @@ -640,7 +640,8 @@ TEST_F(hid_bpf, test_attach_detach) /* pin the first program and immediately unpin it */ #define PIN_PATH "/sys/fs/bpf/hid_first_event" - bpf_program__pin(self->skel->progs.hid_first_event, PIN_PATH); + err = bpf_program__pin(self->skel->progs.hid_first_event, PIN_PATH); + ASSERT_OK(err) TH_LOG("error while calling bpf_program__pin"); remove(PIN_PATH); #undef PIN_PATH usleep(100000); -- 2.38.1