[PATCH bpf v9 4/5] selftests/bpf: fix invalid flag of recv()

[Jiayuan Chen]

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

Signed-off-by: Jiayuan Chen <mr...@163.com>
---
 tools/testing/selftests/bpf/prog_tests/sockmap_basic.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c 
b/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c
index 884ad87783d5..0c51b7288978 100644
--- a/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c
+++ b/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c
@@ -522,8 +522,8 @@ 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);
@@ -628,7 +628,7 @@ 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)");
        }
 
-- 
2.43.5