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Message-ID: <99e57c7470ac338da18f02ef3af5936c8b21f5a7.1729757268.git.tanggeliang@kylinos.cn>
Date: Thu, 24 Oct 2024 16:11:20 +0800
From: Geliang Tang <geliang@...nel.org>
To: Andrii Nakryiko <andrii@...nel.org>,
	Eduard Zingerman <eddyz87@...il.com>,
	Mykola Lysenko <mykolal@...com>,
	Alexei Starovoitov <ast@...nel.org>,
	Daniel Borkmann <daniel@...earbox.net>,
	Martin KaFai Lau <martin.lau@...ux.dev>,
	Song Liu <song@...nel.org>,
	Yonghong Song <yonghong.song@...ux.dev>,
	John Fastabend <john.fastabend@...il.com>,
	KP Singh <kpsingh@...nel.org>,
	Stanislav Fomichev <sdf@...ichev.me>,
	Hao Luo <haoluo@...gle.com>,
	Jiri Olsa <jolsa@...nel.org>,
	Shuah Khan <shuah@...nel.org>
Cc: Geliang Tang <tanggeliang@...inos.cn>,
	netdev@...r.kernel.org,
	mptcp@...ts.linux.dev,
	bpf@...r.kernel.org,
	linux-kselftest@...r.kernel.org,
	Matthieu Baerts <matttbe@...nel.org>
Subject: [PATCH bpf-next] selftests/bpf: Use make/remove netns helpers in mptcp

From: Geliang Tang <tanggeliang@...inos.cn>

New netns selftest helpers make_netns() and remove_netns() has been added
in network_helpers.c, let's use them in mptcp selftests too.

Signed-off-by: Geliang Tang <tanggeliang@...inos.cn>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@...nel.org>
---
 tools/testing/selftests/bpf/prog_tests/mptcp.c | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/tools/testing/selftests/bpf/prog_tests/mptcp.c b/tools/testing/selftests/bpf/prog_tests/mptcp.c
index d2ca32fa3b21..8276398f7d6a 100644
--- a/tools/testing/selftests/bpf/prog_tests/mptcp.c
+++ b/tools/testing/selftests/bpf/prog_tests/mptcp.c
@@ -66,12 +66,18 @@ struct mptcp_storage {
 
 static struct nstoken *create_netns(void)
 {
-	SYS(fail, "ip netns add %s", NS_TEST);
-	SYS(fail, "ip -net %s link set dev lo up", NS_TEST);
+	struct nstoken *nstoken;
 
-	return open_netns(NS_TEST);
-fail:
-	return NULL;
+	if (make_netns(NS_TEST) < 0)
+		return NULL;
+
+	nstoken = open_netns(NS_TEST);
+	if (!nstoken) {
+		log_err("open netns %s failed", NS_TEST);
+		remove_netns(NS_TEST);
+	}
+
+	return nstoken;
 }
 
 static void cleanup_netns(struct nstoken *nstoken)
@@ -79,7 +85,7 @@ static void cleanup_netns(struct nstoken *nstoken)
 	if (nstoken)
 		close_netns(nstoken);
 
-	SYS_NOFAIL("ip netns del %s", NS_TEST);
+	remove_netns(NS_TEST);
 }
 
 static int start_mptcp_server(int family, const char *addr_str, __u16 port,
-- 
2.45.2


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