On Thu, Sep 3, 2020 at 1:06 PM Hao Luo <haoluo@xxxxxxxxxx> wrote: > > The returned value of bpf_object__open_file() should be checked with > libbpf_get_error() rather than NULL. This fix prevents test_progs from > crash when test_global_data.o is not present. > > Signed-off-by: Hao Luo <haoluo@xxxxxxxxxx> > --- thanks! Acked-by: Andrii Nakryiko <andriin@xxxxxx> > tools/testing/selftests/bpf/prog_tests/global_data_init.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/tools/testing/selftests/bpf/prog_tests/global_data_init.c b/tools/testing/selftests/bpf/prog_tests/global_data_init.c > index 3bdaa5a40744..ee46b11f1f9a 100644 > --- a/tools/testing/selftests/bpf/prog_tests/global_data_init.c > +++ b/tools/testing/selftests/bpf/prog_tests/global_data_init.c > @@ -12,7 +12,8 @@ void test_global_data_init(void) > size_t sz; > > obj = bpf_object__open_file(file, NULL); > - if (CHECK_FAIL(!obj)) > + err = libbpf_get_error(obj); > + if (CHECK_FAIL(err)) > return; > > map = bpf_object__find_map_by_name(obj, "test_glo.rodata"); > -- > 2.28.0.526.ge36021eeef-goog >