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selftests/bpf: Use start_server_addr in sk_lookup

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This patch uses public helper start_server_addr() in udp_recv_send()
in prog_tests/sk_lookup.c to simplify the code.

And use ASSERT_OK_FD() to check fd returned by start_server_addr().

Acked-by: Eduard Zingerman <eddyz87@gmail.com>
Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
Link: https://lore.kernel.org/r/f11cabfef4a2170ecb66a1e8e2e72116d8f621b3.1720515893.git.tanggeliang@kylinos.cn
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
This commit is contained in:
Geliang Tang 2024-07-09 17:16:21 +08:00 committed by Martin KaFai Lau
parent 14fc6fcd35
commit d9810c43f6
1 changed files with 2 additions and 8 deletions
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10
tools/testing/selftests/bpf/prog_tests/sk_lookup.c
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@ -416,18 +416,12 @@ static int udp_recv_send(int server_fd)
}
/* Reply from original destination address. */
fd = socket(dst_addr->ss_family, SOCK_DGRAM, 0);
if (CHECK(fd < 0, "socket", "failed\n")) {
fd = start_server_addr(SOCK_DGRAM, dst_addr, sizeof(*dst_addr), NULL);
if (!ASSERT_OK_FD(fd, "start_server_addr")) {
log_err("failed to create tx socket");
return -1;
}
ret = bind(fd, (struct sockaddr *)dst_addr, sizeof(*dst_addr));
if (CHECK(ret, "bind", "failed\n")) {
log_err("failed to bind tx socket");
goto out;
}
msg.msg_control = NULL;
msg.msg_controllen = 0;
n = sendmsg(fd, &msg, 0);