static struct table_instance *table_instance_alloc(int new_size) { struct table_instance *ti = kmalloc(sizeof(*ti), GFP_KERNEL); if (!ti) return NULL; ti->buckets = alloc_buckets(new_size); if (!ti->buckets) { kfree(ti); return NULL; } ti->n_buckets = new_size; ti->node_ver = 0; ti->keep_flows = false; get_random_bytes(&ti->hash_seed, sizeof(u32)); return ti; }
struct flow_table *ovs_flow_tbl_alloc(int new_size) { struct flow_table *table = kmalloc(sizeof(*table), GFP_KERNEL); if (!table) return NULL; table->buckets = alloc_buckets(new_size); if (!table->buckets) { kfree(table); return NULL; } table->n_buckets = new_size; table->count = 0; table->node_ver = 0; table->keep_flows = false; get_random_bytes(&table->hash_seed, sizeof(u32)); return table; }