Re: [PATCH] amd64: Fix csum_partial_copy_generic()

[Thomas Gleixner]

On Wed, Oct 18 2023 at 16:42, Al Viro wrote:

> On Wed, Oct 18, 2023 at 06:18:05AM +0000, gus Gusenleitner Klaus wrote:
>> The checksum calculation is wrong in case of an source buffer
>> containing zero bytes only. The expected return value is 0, the
>> actual return value is 0xfffffff.
>
> Expected where?  The actual checksum is defined modulo 0xffff, so
> 0 and 0xffffffff represent the same final value.

Duh. I really should have read the RFC first :)