From 804acdd251e837bb1a588074752d69698ac36b5f Mon Sep 17 00:00:00 2001 From: Ilya Leoshkevich Date: Sat, 28 Jan 2023 01:06:26 +0100 Subject: [PATCH] selftests/bpf: Set errno when urand_spawn() fails The result of urand_spawn() is checked with ASSERT_OK_PTR, which treats NULL as success if errno == 0. Signed-off-by: Ilya Leoshkevich Link: https://lore.kernel.org/r/20230128000650.1516334-8-iii@linux.ibm.com Signed-off-by: Alexei Starovoitov --- tools/testing/selftests/bpf/prog_tests/usdt.c | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/testing/selftests/bpf/prog_tests/usdt.c b/tools/testing/selftests/bpf/prog_tests/usdt.c index 9ad9da0f215e..56ed1eb9b527 100644 --- a/tools/testing/selftests/bpf/prog_tests/usdt.c +++ b/tools/testing/selftests/bpf/prog_tests/usdt.c @@ -314,6 +314,7 @@ static FILE *urand_spawn(int *pid) if (fscanf(f, "%d", pid) != 1) { pclose(f); + errno = EINVAL; return NULL; } -- 2.11.0