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Message-Id: <a7a075d2f6fe50d005deea0a1d26a36837645a55.1691388735.git.geliang.tang@suse.com> Date: Mon, 7 Aug 2023 14:22:44 +0800 From: Geliang Tang <geliang.tang@...e.com> To: Alexei Starovoitov <ast@...nel.org>, Daniel Borkmann <daniel@...earbox.net>, Andrii Nakryiko <andrii@...nel.org>, Martin KaFai Lau <martin.lau@...ux.dev>, Song Liu <song@...nel.org>, Yonghong Song <yhs@...com>, John Fastabend <john.fastabend@...il.com>, KP Singh <kpsingh@...nel.org>, Stanislav Fomichev <sdf@...gle.com>, Hao Luo <haoluo@...gle.com>, Jiri Olsa <jolsa@...nel.org>, Florent Revest <revest@...omium.org>, Brendan Jackman <jackmanb@...omium.org>, Matthieu Baerts <matthieu.baerts@...sares.net>, Mat Martineau <martineau@...nel.org>, "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, John Johansen <john.johansen@...onical.com>, Paul Moore <paul@...l-moore.com>, James Morris <jmorris@...ei.org>, "Serge E. Hallyn" <serge@...lyn.com>, Stephen Smalley <stephen.smalley.work@...il.com>, Eric Paris <eparis@...isplace.org>, Mykola Lysenko <mykolal@...com>, Shuah Khan <shuah@...nel.org>, Simon Horman <horms@...nel.org> Cc: Geliang Tang <geliang.tang@...e.com>, bpf@...r.kernel.org, netdev@...r.kernel.org, mptcp@...ts.linux.dev, apparmor@...ts.ubuntu.com, linux-security-module@...r.kernel.org, selinux@...r.kernel.org, linux-kselftest@...r.kernel.org, Yonghong Song <yonghong.song@...ux.dev> Subject: [PATCH mptcp-next v12 4/5] selftests/bpf: Fix error checks of mptcp open_and_load Return libbpf_get_error(), instead of -EIO, for the error from mptcp_sock__open_and_load(). Load success means prog_fd and map_fd are always valid. So drop these unneeded ASSERT_GE checks for them in mptcp run_test(). Acked-by: Yonghong Song <yonghong.song@...ux.dev> Signed-off-by: Geliang Tang <geliang.tang@...e.com> --- tools/testing/selftests/bpf/prog_tests/mptcp.c | 12 +----------- 1 file changed, 1 insertion(+), 11 deletions(-) diff --git a/tools/testing/selftests/bpf/prog_tests/mptcp.c b/tools/testing/selftests/bpf/prog_tests/mptcp.c index 51cbd1e14156..8cbd72981a01 100644 --- a/tools/testing/selftests/bpf/prog_tests/mptcp.c +++ b/tools/testing/selftests/bpf/prog_tests/mptcp.c @@ -121,24 +121,14 @@ static int run_test(int cgroup_fd, int server_fd, bool is_mptcp) sock_skel = mptcp_sock__open_and_load(); if (!ASSERT_OK_PTR(sock_skel, "skel_open_load")) - return -EIO; + return libbpf_get_error(sock_skel); err = mptcp_sock__attach(sock_skel); if (!ASSERT_OK(err, "skel_attach")) goto out; prog_fd = bpf_program__fd(sock_skel->progs._sockops); - if (!ASSERT_GE(prog_fd, 0, "bpf_program__fd")) { - err = -EIO; - goto out; - } - map_fd = bpf_map__fd(sock_skel->maps.socket_storage_map); - if (!ASSERT_GE(map_fd, 0, "bpf_map__fd")) { - err = -EIO; - goto out; - } - err = bpf_prog_attach(prog_fd, cgroup_fd, BPF_CGROUP_SOCK_OPS, 0); if (!ASSERT_OK(err, "bpf_prog_attach")) goto out; -- 2.35.3
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