52 	struct hmap_elem zero = {}, *val;  in bpf_sping_lock_test()  local
59 	val = bpf_map_lookup_elem(&hmap, &key);  in bpf_sping_lock_test()
60 	if (!val) {  in bpf_sping_lock_test()
62 		val = bpf_map_lookup_elem(&hmap, &key);  in bpf_sping_lock_test()
63 		if (!val) {  in bpf_sping_lock_test()
69 	bpf_spin_lock(&val->lock);  in bpf_sping_lock_test()
70 	if (val->cnt)  in bpf_sping_lock_test()
71 		val->cnt--;  in bpf_sping_lock_test()
73 		val->cnt++;  in bpf_sping_lock_test()
74 	if (val->cnt != 0 && val->cnt != 1)  in bpf_sping_lock_test()
76 	bpf_spin_unlock(&val->lock);  in bpf_sping_lock_test()