[PATCH] selftests/bpf: Fix check in global_data_init.

[Hao Luo]

The returned value of bpf_object__open_file() should be checked with
IS_ERR() rather than NULL. This fix makes test_progs not crash when
test_global_data.o is not present.

Signed-off-by: Hao Luo <haoluo@xxxxxxxxxx>
---
 tools/testing/selftests/bpf/prog_tests/global_data_init.c | 2 +-
 1 file changed, 1 insertion(+), 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..1ece86d5c519 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 +12,7 @@ void test_global_data_init(void)
 	size_t sz;
 
 	obj = bpf_object__open_file(file, NULL);
-	if (CHECK_FAIL(!obj))
+	if (CHECK_FAIL(IS_ERR(obj)))
 		return;
 
 	map = bpf_object__find_map_by_name(obj, "test_glo.rodata");
-- 
2.28.0.402.g5ffc5be6b7-goog