118 	struct prestera_flow_block_binding *binding;  in prestera_flow_block_lookup()  local
120 	list_for_each_entry(binding, &block->binding_list, list)  in prestera_flow_block_lookup()
121 		if (binding->port == port)  in prestera_flow_block_lookup()
122 			return binding;  in prestera_flow_block_lookup()
130 	struct prestera_flow_block_binding *binding;  in prestera_flow_block_bind()  local
133 	binding = kzalloc(sizeof(*binding), GFP_KERNEL);  in prestera_flow_block_bind()
134 	if (!binding)  in prestera_flow_block_bind()
137 	binding->span_id = PRESTERA_SPAN_INVALID_ID;  in prestera_flow_block_bind()
138 	binding->port = port;  in prestera_flow_block_bind()
146 	list_add(&binding->list, &block->binding_list);  in prestera_flow_block_bind()
150 	kfree(binding);  in prestera_flow_block_bind()
157 	struct prestera_flow_block_binding *binding;  in prestera_flow_block_unbind()  local
159 	binding = prestera_flow_block_lookup(block, port);  in prestera_flow_block_unbind()
160 	if (!binding)  in prestera_flow_block_unbind()
163 	list_del(&binding->list);  in prestera_flow_block_unbind()
168 	kfree(binding);  in prestera_flow_block_unbind()