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

From: Brian Vazquez
Date: Tue Oct 01 2019 - 13:37:54 EST


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 <sdf@xxxxxxxxxx>

Signed-off-by: Brian Vazquez <brianvv@xxxxxxxxxx>
---
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