From mboxrd@z Thu Jan  1 00:00:00 1970
From: Julien Grall <julien.grall@linaro.org>
Subject: Re: [PATCH] xen: arm: correct return value of
	raw_copy_to_guest_*
Date: Fri, 06 Dec 2013 16:00:33 +0000
Message-ID: <52A1F4A1.5080201@linaro.org>
References: <1386343510-31974-1-git-send-email-ian.campbell@citrix.com>
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On 12/06/2013 03:25 PM, Ian Campbell wrote:
> This is a generic interface which is supposed to return the number of bytes
> which were not copied. Make it so and update the one incorrect caller.

This is also the same for raw_clear_guest and raw_copy_from_guest.

It seems the most of ARM code assume that these functions (or macro that 
call them) will return a negative value if it's fails.

-- 
Julien Grall