546 static struct bpf_map *trie_alloc(union bpf_attr *attr)  in trie_alloc()  argument
554 	if (attr->max_entries == 0 ||  in trie_alloc()
555 	    !(attr->map_flags & BPF_F_NO_PREALLOC) ||  in trie_alloc()
556 	    attr->map_flags & ~LPM_CREATE_FLAG_MASK ||  in trie_alloc()
557 	    !bpf_map_flags_access_ok(attr->map_flags) ||  in trie_alloc()
558 	    attr->key_size < LPM_KEY_SIZE_MIN ||  in trie_alloc()
559 	    attr->key_size > LPM_KEY_SIZE_MAX ||  in trie_alloc()
560 	    attr->value_size < LPM_VAL_SIZE_MIN ||  in trie_alloc()
561 	    attr->value_size > LPM_VAL_SIZE_MAX)  in trie_alloc()
569 	bpf_map_init_from_attr(&trie->map, attr);  in trie_alloc()
570 	trie->data_size = attr->key_size -  in trie_alloc()