LRU hash map updates may legitimately return -ENOMEM. Relax the percpu stats selftest to accept that error for LRU map types so it matches the map's expected behavior.
Signed-off-by: Leon Hwang <[email protected]> --- tools/testing/selftests/bpf/map_tests/map_percpu_stats.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/bpf/map_tests/map_percpu_stats.c b/tools/testing/selftests/bpf/map_tests/map_percpu_stats.c index 1c7c04288eff..d510a9c54978 100644 --- a/tools/testing/selftests/bpf/map_tests/map_percpu_stats.c +++ b/tools/testing/selftests/bpf/map_tests/map_percpu_stats.c @@ -188,7 +188,8 @@ static void *patch_map_thread(void *arg) 40, retry_for_nomem_fn); else ret = bpf_map_update_elem(opts->map_fd, &i, val_ptr, 0); - CHECK(ret < 0, "bpf_map_update_elem", "key=%d error: %s\n", i, strerror(errno)); + CHECK(ret < 0 && (!is_lru(opts->map_type) || ret != -ENOMEM), + "bpf_map_update_elem", "key=%d error: %s\n", i, strerror(errno)); if (opts->map_type == BPF_MAP_TYPE_HASH_OF_MAPS) close(val); -- 2.52.0
