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From:   Artem Savkov <asavkov@redhat.com>
To:     Yafang Shao <laoar.shao@gmail.com>
Cc:     Alexei Starovoitov <ast@kernel.org>,
        Daniel Borkmann <daniel@iogearbox.net>,
        Andrii Nakryiko <andrii@kernel.org>, bpf@vger.kernel.org,
        netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-kselftest@vger.kernel.org, Artem Savkov <asavkov@redhat.com>
Subject: [PATCH bpf-next] selftests/bpf: fix attach tests retcode checks
Date:   Thu, 21 Apr 2022 15:01:04 +0200
Message-Id: <20220421130104.1582053-1-asavkov@redhat.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Precedence: bulk

Switching to libbpf 1.0 API broke test_sock and test_sysctl as they
check for return of bpf_prog_attach to be exactly -1. Switch the check
to '< 0' instead.

Fixes: b858ba8c52b6 ("selftests/bpf: Use libbpf 1.0 API mode instead of RLIMIT_MEMLOCK")
Signed-off-by: Artem Savkov <asavkov@redhat.com>
---
 tools/testing/selftests/bpf/test_sock.c   | 2 +-
 tools/testing/selftests/bpf/test_sysctl.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/bpf/test_sock.c b/tools/testing/selftests/bpf/test_sock.c
index 6c4494076bbf..810c3740b2cc 100644
--- a/tools/testing/selftests/bpf/test_sock.c
+++ b/tools/testing/selftests/bpf/test_sock.c
@@ -492,7 +492,7 @@ static int run_test_case(int cgfd, const struct sock_test *test)
 			goto err;
 	}
 
-	if (attach_sock_prog(cgfd, progfd, test->attach_type) == -1) {
+	if (attach_sock_prog(cgfd, progfd, test->attach_type) < 0) {
 		if (test->result == ATTACH_REJECT)
 			goto out;
 		else
diff --git a/tools/testing/selftests/bpf/test_sysctl.c b/tools/testing/selftests/bpf/test_sysctl.c
index 5bae25ca19fb..57620e7c9048 100644
--- a/tools/testing/selftests/bpf/test_sysctl.c
+++ b/tools/testing/selftests/bpf/test_sysctl.c
@@ -1560,7 +1560,7 @@ static int run_test_case(int cgfd, struct sysctl_test *test)
 			goto err;
 	}
 
-	if (bpf_prog_attach(progfd, cgfd, atype, BPF_F_ALLOW_OVERRIDE) == -1) {
+	if (bpf_prog_attach(progfd, cgfd, atype, BPF_F_ALLOW_OVERRIDE) < 0) {
 		if (test->result == ATTACH_REJECT)
 			goto out;
 		else
-- 
2.35.1