netfilter: nf_tables_offload: Pass callback list to nft_setup_cb_call()

This allows to reuse nft_setup_cb_call() from the callback unbind path.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

net/netfilter/nf_tables_offload.c

@@ -132,13 +132,13 @@ static void nft_flow_offload_common_init(struct flow_cls_common_offload *common,
 	common->extack = extack;
 }
 
-static int nft_setup_cb_call(struct nft_base_chain *basechain,
-			     enum tc_setup_type type, void *type_data)
+static int nft_setup_cb_call(enum tc_setup_type type, void *type_data,
+			     struct list_head *cb_list)
 {
 	struct flow_block_cb *block_cb;
 	int err;
 
-	list_for_each_entry(block_cb, &basechain->flow_block.cb_list, list) {
+	list_for_each_entry(block_cb, cb_list, list) {
 		err = block_cb->cb(type, type_data, block_cb->cb_priv);
 		if (err < 0)
 			return err;
@@ -180,7 +180,8 @@ static int nft_flow_offload_rule(struct nft_chain *chain,
 	if (flow)
 		cls_flow.rule = flow->rule;
 
-	return nft_setup_cb_call(basechain, TC_SETUP_CLSFLOWER, &cls_flow);
+	return nft_setup_cb_call(TC_SETUP_CLSFLOWER, &cls_flow,
+				 &basechain->flow_block.cb_list);
 }
 
 static int nft_flow_offload_bind(struct flow_block_offload *bo,