On 06/07/2017 02:46 AM, Marc-André Lureau wrote:
> I used a the following coccinelle script:
> 
> @@
> expression e1;
> @@
> - ((e1) + (3)) / (4) * (4)
> + ROUND_UP(e1,4)


Can't you also search for:

@@
expression e1, e2
@@
- ((e1) + (e2 - 1)) / (e2) * (e2)
+ ROUND_UP(e1, e2)

to catch cases where we are rounding by a non-constant?

-- 
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3266
Virtualization:  qemu.org | libvirt.org

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