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selftests/bpf: Fix potential unreleased lock

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[ Upstream commit 47bb27a20d6ea22cd092c1fc2bb4fcecac374838 ]

This lock is not released if the program
return at the patched branch.

Signed-off-by: Chengfeng Ye <cyeaa@connect.ust.hk>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20210827074140.118671-1-cyeaa@connect.ust.hk
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Chengfeng Ye 2021-08-27 00:41:40 -07:00 committed by Greg Kroah-Hartman
parent 3ad66d6782
commit b1d547f2f5
1 changed files with 3 additions and 1 deletions
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4
tools/testing/selftests/bpf/prog_tests/sockopt_inherit.c
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@ -195,8 +195,10 @@ static void run_test(int cgroup_fd)
pthread_mutex_lock(&server_started_mtx);
if (CHECK_FAIL(pthread_create(&tid, NULL, server_thread,
(void *)&server_fd)))
(void *)&server_fd))) {
pthread_mutex_unlock(&server_started_mtx);
goto close_server_fd;
}
pthread_cond_wait(&server_started, &server_started_mtx);
pthread_mutex_unlock(&server_started_mtx);