From mboxrd@z Thu Jan  1 00:00:00 1970
From: Lingzhu Xiang <lxiang-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Subject: Re: [PATCH] efivarfs: fix abnormal GUID in variable name by using
 strcpy to replace null with dash
Date: Wed, 06 Mar 2013 17:20:17 +0800
Message-ID: <51370A51.1050505@redhat.com>
References: <1362108018-13117-1-git-send-email-jlee@suse.com>  <1362151068.2842.440.camel@mfleming-mobl1.ger.corp.intel.com>  <1362155493.2842.446.camel@mfleming-mobl1.ger.corp.intel.com>  <1362181299.23932.168.camel@linux-s257.site> <1362555258.23932.573.camel@linux-s257.site>
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To: joeyli <jlee-IBi9RG/b67k@public.gmane.org>
Cc: Matt Fleming <matt-HNK1S37rvNbeXh+fF434Mdi2O/JbrIOy@public.gmane.org>, linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Michael Schroeder <mls-IBi9RG/b67k@public.gmane.org>, Josh Boyer <jwboyer-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>, Peter Jones <pjones-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>, Matthew Garrett <mjg59-1xO5oi07KQx4cg9Nei1l7Q@public.gmane.org>, Frederic Crozat <fcrozat-IBi9RG/b67k@public.gmane.org>
List-Id: linux-efi@vger.kernel.org

On 03/06/2013 03:34 PM, joeyli wrote:
> +static unsigned long variable_name_length(efi_char16_t *variable_name)
> +{
> +	unsigned long len;
> +	efi_char16_t c;
> +
> +	len = 2;
> +	do {
> +		c = variable_name[len / sizeof(c) - 1];
> +		if (c)
> +			len += sizeof(c);
> +	} while (c);
> +
> +	return len;
> +}
> +

It looks like this function can be replaced with utf16_strsize.