Messages in this thread | | | From | Thomas Gleixner <> | Subject | Re: [PATCH] amd64: Fix csum_partial_copy_generic() | Date | Wed, 18 Oct 2023 19:37:37 +0200 |
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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 :)
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