linux-kernel - [PATCH 08/13] selftests/bpf: test_xsk: Don't exit immediately if validate

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Message-Id: <20250313-xsk-v1-8-7374729a93b9@bootlin.com>
Date: Thu, 13 Mar 2025 11:48:06 +0100
From: "Bastien Curutchet (eBPF Foundation)" <bastien.curutchet@...tlin.com>
To: Björn Töpel <bjorn@...nel.org>, 
 Magnus Karlsson <magnus.karlsson@...el.com>, 
 Maciej Fijalkowski <maciej.fijalkowski@...el.com>, 
 Jonathan Lemon <jonathan.lemon@...il.com>, 
 Alexei Starovoitov <ast@...nel.org>, Daniel Borkmann <daniel@...earbox.net>, 
 Andrii Nakryiko <andrii@...nel.org>, 
 Martin KaFai Lau <martin.lau@...ux.dev>, 
 Eduard Zingerman <eddyz87@...il.com>, 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>, Mykola Lysenko <mykolal@...com>, 
 Shuah Khan <shuah@...nel.org>, "David S. Miller" <davem@...emloft.net>, 
 Jakub Kicinski <kuba@...nel.org>, Jesper Dangaard Brouer <hawk@...nel.org>
Cc: Thomas Petazzoni <thomas.petazzoni@...tlin.com>, 
 Alexis Lothore <alexis.lothore@...tlin.com>, netdev@...r.kernel.org, 
 bpf@...r.kernel.org, linux-kselftest@...r.kernel.org, 
 linux-kernel@...r.kernel.org, 
 "Bastien Curutchet (eBPF Foundation)" <bastien.curutchet@...tlin.com>
Subject: [PATCH 08/13] selftests/bpf: test_xsk: Don't exit immediately if
 validate_traffic fails

__testapp_validate_traffic() calls exit_on_error() on failures. This
exits the program immediately and can lead to memory leaks.

Return TEST_FAILURE instead of calling exit_on_error().

Signed-off-by: Bastien Curutchet (eBPF Foundation) <bastien.curutchet@...tlin.com>
---
 tools/testing/selftests/bpf/xskxceiver.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/tools/testing/selftests/bpf/xskxceiver.c b/tools/testing/selftests/bpf/xskxceiver.c
index 5b1b05c21a04e05673d01855567320452db1f9c5..41c744c627d9b8acffc687f6893a01557e6556c5 100644
--- a/tools/testing/selftests/bpf/xskxceiver.c
+++ b/tools/testing/selftests/bpf/xskxceiver.c
@@ -1931,12 +1931,12 @@ static int __testapp_validate_traffic(struct test_spec *test, struct ifobject *i
 	err = test_spec_set_mtu(test, test->mtu);
 	if (err) {
 		print_msg("Error, could not set mtu.\n");
-		exit_with_error(err);
+		return TEST_FAILURE;
 	}

 	if (ifobj2) {
 		if (pthread_barrier_init(&barr, NULL, 2))
-			exit_with_error(errno);
+			return TEST_FAILURE;
 		pkt_stream_reset(ifobj2->xsk->pkt_stream);
 	}

@@ -1951,7 +1951,7 @@ static int __testapp_validate_traffic(struct test_spec *test, struct ifobject *i
 	if (ifobj2) {
 		pthread_barrier_wait(&barr);
 		if (pthread_barrier_destroy(&barr))
-			exit_with_error(errno);
+			return TEST_FAILURE;

 		/*Spawn TX thread */
 		pthread_create(&t1, NULL, ifobj2->func_ptr, test);

-- 
2.48.1