Re: [Xen-devel] [PATCH for-4.10] string: fix memmove when size is 0

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 17.10.17 at 14:03, <roger.pau@xxxxxxxxxx> wrote:
> --- a/xen/arch/x86/string.c
> +++ b/xen/arch/x86/string.c
> @@ -39,6 +39,9 @@ void *(memmove)(void *dest, const void *src, size_t n)
>  {
>      long d0, d1, d2;
>  
> +    if ( !n )
> +        return;

Actually - I can't see how this would build successfully: The function
returns void *, not void. I'm taking the liberty to fix this (and also
add unlikely()) while committing.

Jan


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