[PATCH 020/117] Staging: hv: vmbus: Support the notion of id tables in vmbus_match()

Christoph Hellwig
Sat, 16 Jul 2011 02:02:50 -0000

On Fri, Jul 15, 2011 at 10:46:08AM -0700, K. Y. Srinivasan
wrote:
> +static bool is_not_null_guid(const __u8 *guid)
> +{
> +	int i;
> +
> +	for (i = 0; i < (sizeof(struct hv_vmbus_device_id)); i++)
> +		if (guid[i] != 0)
> +			return true;
> +	return false;
> +}

would be nice to add uuid_{le,be}_is_nil helpers to uuid.h.  I also
think simply using a memcpy might be more efficient than the hand-rolled
loop.