From f79587520a6007a3734b23a3c2eb4c62aa457533 Mon Sep 17 00:00:00 2001 From: Andrii Nakryiko Date: Sun, 7 Nov 2021 08:55:18 -0800 Subject: [PATCH] selftests/bpf: Clean up btf and btf_dump in dump_datasec test Free up used resources at the end and on error. Also make it more obvious that there is btf__parse() call that creates struct btf instance. Signed-off-by: Andrii Nakryiko Signed-off-by: Alexei Starovoitov Reviewed-by: Hengqi Chen Link: https://lore.kernel.org/bpf/20211107165521.9240-7-andrii@kernel.org --- tools/testing/selftests/bpf/prog_tests/btf_dump.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/bpf/prog_tests/btf_dump.c b/tools/testing/selftests/bpf/prog_tests/btf_dump.c index aa76360..a049619 100644 --- a/tools/testing/selftests/bpf/prog_tests/btf_dump.c +++ b/tools/testing/selftests/bpf/prog_tests/btf_dump.c @@ -814,21 +814,25 @@ static void test_btf_datasec(struct btf *btf, struct btf_dump *d, char *str, static void test_btf_dump_datasec_data(char *str) { - struct btf *btf = btf__parse("xdping_kern.o", NULL); + struct btf *btf; struct btf_dump_opts opts = { .ctx = str }; char license[4] = "GPL"; struct btf_dump *d; + btf = btf__parse("xdping_kern.o", NULL); if (!ASSERT_OK_PTR(btf, "xdping_kern.o BTF not found")) return; d = btf_dump__new(btf, NULL, &opts, btf_dump_snprintf); if (!ASSERT_OK_PTR(d, "could not create BTF dump")) - return; + goto out; test_btf_datasec(btf, d, str, "license", "SEC(\"license\") char[4] _license = (char[4])['G','P','L',];", license, sizeof(license)); +out: + btf_dump__free(d); + btf__free(btf); } void test_btf_dump() { -- 2.7.4