selftests/bpf: Fix invalid flag of recv()

[ Upstream commit a0c11149509aa905aeec10cf9998091443472b0b ]

SOCK_NONBLOCK flag is only effective during socket creation, not during
recv. Use MSG_DONTWAIT instead.

Signed-off-by: Jiayuan Chen <mrpre@163.com>
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Acked-by: Jakub Sitnicki <jakub@cloudflare.com>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Link: https://patch.msgid.link/20250122100917.49845-5-mrpre@163.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Jiayuan Chen
2025-01-22 18:09:16 +08:00
committed by Greg Kroah-Hartman
parent 02a12760d7
commit 45fb7e0d0c
@@ -492,8 +492,8 @@ static void test_sockmap_skb_verdict_shutdown(void)
if (!ASSERT_EQ(err, 1, "epoll_wait(fd)"))
goto out_close;
n = recv(c1, &b, 1, SOCK_NONBLOCK);
ASSERT_EQ(n, 0, "recv_timeout(fin)");
n = recv(c1, &b, 1, MSG_DONTWAIT);
ASSERT_EQ(n, 0, "recv(fin)");
out_close:
close(c1);
close(p1);
@@ -546,7 +546,7 @@ static void test_sockmap_skb_verdict_fionread(bool pass_prog)
ASSERT_EQ(avail, expected, "ioctl(FIONREAD)");
/* On DROP test there will be no data to read */
if (pass_prog) {
recvd = recv_timeout(c1, &buf, sizeof(buf), SOCK_NONBLOCK, IO_TIMEOUT_SEC);
recvd = recv_timeout(c1, &buf, sizeof(buf), MSG_DONTWAIT, IO_TIMEOUT_SEC);
ASSERT_EQ(recvd, sizeof(buf), "recv_timeout(c0)");
}