diff options
| -rw-r--r-- | tools/testing/selftests/bpf/prog_tests/sockmap_listen.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/sockmap_listen.c b/tools/testing/selftests/bpf/prog_tests/sockmap_listen.c index 648d9ae898d2..01ab11259809 100644 --- a/tools/testing/selftests/bpf/prog_tests/sockmap_listen.c +++ b/tools/testing/selftests/bpf/prog_tests/sockmap_listen.c @@ -1610,6 +1610,7 @@ static void udp_redir_to_connected(int family, int sotype, int sock_mapfd, struct sockaddr_storage addr; int c0, c1, p0, p1; unsigned int pass; + int retries = 100; socklen_t len; int err, n; u64 value; @@ -1686,9 +1687,13 @@ static void udp_redir_to_connected(int family, int sotype, int sock_mapfd, if (pass != 1) FAIL("%s: want pass count 1, have %d", log_prefix, pass); +again: n = read(mode == REDIR_INGRESS ? p0 : c0, &b, 1); - if (n < 0) + if (n < 0) { + if (errno == EAGAIN && retries--) + goto again; FAIL_ERRNO("%s: read", log_prefix); + } if (n == 0) FAIL("%s: incomplete read", log_prefix); |