selftests/bpf: Set errno when urand_spawn() fails
authorIlya Leoshkevich <iii@linux.ibm.com>
Sat, 28 Jan 2023 00:06:26 +0000 (01:06 +0100)
committerAlexei Starovoitov <ast@kernel.org>
Sat, 28 Jan 2023 20:30:08 +0000 (12:30 -0800)
commit804acdd251e837bb1a588074752d69698ac36b5f
treed5a4483110c5ae08784715545b7f1e2ba1d5ae58
parent31da9be64a1136e5699a1fc59a45001d6b98acdc
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 <iii@linux.ibm.com>
Link: https://lore.kernel.org/r/20230128000650.1516334-8-iii@linux.ibm.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
tools/testing/selftests/bpf/prog_tests/usdt.c