selftests/bpf: Destroy the skeleton when CONFIG_PREEMPT is off

Destroy the created skeleton when CONFIG_PREEMPT is off, else will be
resource leak.

Fixes: 73b97bc78b32 ("selftests/bpf: Test concurrent updates on bpf_task_storage_busy")
Signed-off-by: Hou Tao <houtao1@huawei.com>
Link: https://lore.kernel.org/r/20220921070035.2016413-2-houtao@huaweicloud.com
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>

diff --git a/tools/testing/selftests/bpf/map_tests/task_storage_map.c b/tools/testing/selftests/bpf/map_tests/task_storage_map.c
index aac08c85240b32a9ff4ba3e1b7d50d2b2b5e613f..7d050364efca1a34a25e543ddc8588d2c2d36049 100644 (file)
--- a/tools/testing/selftests/bpf/map_tests/task_storage_map.c
+++ b/tools/testing/selftests/bpf/map_tests/task_storage_map.c
@@ -79,6 +79,7 @@ void test_task_storage_map_stress_lookup(void)
        /* Only for a fully preemptible kernel */
        if (!skel->kconfig->CONFIG_PREEMPT) {
                printf("%s SKIP (no CONFIG_PREEMPT)\n", __func__);
+               read_bpf_task_storage_busy__destroy(skel);
                skips++;
                return;
        }