[PATCH bpf 1/2] selftests/bpf: test_progs: don't leak server_fd in tcp_rtt

[Brian Vazquez]

server_fd needs to be closed if pthread can't be created.

Fixes: 8a03222f508b ("selftests/bpf: test_progs: fix client/server race
in tcp_rtt")
Cc: Stanislav Fomichev <s...@google.com>

Signed-off-by: Brian Vazquez <bria...@google.com>
---
 tools/testing/selftests/bpf/prog_tests/tcp_rtt.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/bpf/prog_tests/tcp_rtt.c 
b/tools/testing/selftests/bpf/prog_tests/tcp_rtt.c
index a82da555b1b02..f4cd60d6fba2e 100644
--- a/tools/testing/selftests/bpf/prog_tests/tcp_rtt.c
+++ b/tools/testing/selftests/bpf/prog_tests/tcp_rtt.c
@@ -260,13 +260,14 @@ void test_tcp_rtt(void)
 
        if (CHECK_FAIL(pthread_create(&tid, NULL, server_thread,
                                      (void *)&server_fd)))
-               goto close_cgroup_fd;
+               goto close_server_fd;
 
        pthread_mutex_lock(&server_started_mtx);
        pthread_cond_wait(&server_started, &server_started_mtx);
        pthread_mutex_unlock(&server_started_mtx);
 
        CHECK_FAIL(run_test(cgroup_fd, server_fd));
+close_server_fd:
        close(server_fd);
 close_cgroup_fd:
        close(cgroup_fd);
-- 
2.23.0.444.g18eeb5a265-goog