int gb_operation_sync_timeout()

in operation.c [1138:1174]

• 31 lines of code
• 9 McCabe index (conditional complexity)

int gb_operation_sync_timeout(struct gb_connection *connection, int type,
			      void *request, int request_size,
			      void *response, int response_size,
			      unsigned int timeout)
{
	struct gb_operation *operation;
	int ret;

	if ((response_size && !response) ||
	    (request_size && !request))
		return -EINVAL;

	operation = gb_operation_create(connection, type,
					request_size, response_size,
					GFP_KERNEL);
	if (!operation)
		return -ENOMEM;

	if (request_size)
		memcpy(operation->request->payload, request, request_size);

	ret = gb_operation_request_send_sync_timeout(operation, timeout);
	if (ret) {
		dev_err(&connection->hd->dev,
			"%s: synchronous operation id 0x%04x of type 0x%02x failed: %d\n",
			connection->name, operation->id, type, ret);
	} else {
		if (response_size) {
			memcpy(response, operation->response->payload,
			       response_size);
		}
	}

	gb_operation_put(operation);

	return ret;
}