[PATCH] add u64 number parser

[Christoph Hellwig]

On Sat, Jul 23, 2016 at 08:52:18AM -0700, James Smart wrote:
> 
> On 7/22/2016 6:32 PM, Bart Van Assche wrote:
> > On 07/22/16 17:23, James Smart wrote:
> > > +    buf = kmalloc(len + 1, GFP_KERNEL);
> > > +    if (!buf)
> > > +        return -ENOMEM;
> > > +    memcpy(buf, s->from, len);
> > > +    buf[len] = '\0';
> > 
> > Hello James,
> > 
> > Have you considered to combine the above kmalloc() and memcpy() calls
> > into a single kasprintf(GFP_KERNEL, "%.*s", len, s->from) call?
> > 
> > Bart.
> > 
> 
> No, I followed the example of existing parse functions in the file.

The kasprintf would indeed be nicer, but I'm fine with keeping the
existing style for this patch.  Bonus points for sending a follow on
to convert all of them over.

Reviewed-by: Christoph Hellwig <hch at lst.de>