There is a typo in checking the "saved_tcp_fo" and instead "saved_tcp_syncookie" is checked again. This patch fixes it and also breaks them into separate if statements such that the test will abort asap. Reported-by: David Binderman <dcb314@xxxxxxxxxxx> Signed-off-by: Martin KaFai Lau <kafai@xxxxxx> --- tools/testing/selftests/bpf/prog_tests/select_reuseport.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/bpf/prog_tests/select_reuseport.c b/tools/testing/selftests/bpf/prog_tests/select_reuseport.c index 098bcae5f827..b577666d028e 100644 --- a/tools/testing/selftests/bpf/prog_tests/select_reuseport.c +++ b/tools/testing/selftests/bpf/prog_tests/select_reuseport.c @@ -822,8 +822,10 @@ void test_select_reuseport(void) goto out; saved_tcp_fo = read_int_sysctl(TCP_FO_SYSCTL); + if (saved_tcp_fo < 0) + goto out; saved_tcp_syncookie = read_int_sysctl(TCP_SYNCOOKIE_SYSCTL); - if (saved_tcp_syncookie < 0 || saved_tcp_syncookie < 0) + if (saved_tcp_syncookie < 0) goto out; if (enable_fastopen()) -- 2.17.1