Re: [PATCH] ipvs: use explicitly signed chars

From: Julian Anastasov
Date: Wed Oct 26 2022 - 11:01:22 EST



Hello,

On Wed, 26 Oct 2022, Jason A. Donenfeld wrote:

> On Wed, Oct 26, 2022 at 05:20:03PM +0300, Julian Anastasov wrote:
> >
> > Hello,
> >
> > On Wed, 26 Oct 2022, Jason A. Donenfeld wrote:
> >
> > > The `char` type with no explicit sign is sometimes signed and sometimes
> > > unsigned. This code will break on platforms such as arm, where char is
> > > unsigned. So mark it here as explicitly signed, so that the
> > > todrop_counter decrement and subsequent comparison is correct.
> > >
> > > Cc: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
> > > Cc: Julian Anastasov <ja@xxxxxx>
> > > Cc: Simon Horman <horms@xxxxxxxxxxxx>
> > > Cc: stable@xxxxxxxxxxxxxxx
> > > Signed-off-by: Jason A. Donenfeld <Jason@xxxxxxxxx>
> >
> > Looks good to me for -next, thanks!
>
> This is actually net.git material, not net-next.git material,
> considering it fixes a bug on arm and many other archs, and is marked
> with a stable@ tag.

OK. As algorithm is not SMP safe, the problem is
not just for the first 256 packets on these platforms.

Regards

--
Julian Anastasov <ja@xxxxxx>