Re: [PATCH net-next][resend v1 1/1] netlink: Don't use int as bool in netlink_update_socket_mc()

From: Leon Romanovsky
Date: Tue Jul 11 2023 - 09:33:09 EST


On Tue, Jul 11, 2023 at 03:45:34PM +0300, Andy Shevchenko wrote:
> On Tue, Jul 11, 2023 at 03:20:12PM +0300, Leon Romanovsky wrote:
> > On Tue, Jul 11, 2023 at 01:54:18PM +0300, Andy Shevchenko wrote:
> > > On Tue, Jul 11, 2023 at 12:21:12PM +0200, Paolo Abeni wrote:
> > > > On Tue, 2023-07-11 at 09:33 +0300, Leon Romanovsky wrote:
> > > > > On Mon, Jul 10, 2023 at 01:06:24PM +0300, Andy Shevchenko wrote:
>
> ...
>
> > > > > So what is the outcome of "int - bool + bool" in the line above?
> > >
> > > The same as with int - int [0 .. 1] + int [0 .. 1].
> >
> > No, it is not. bool is defined as _Bool C99 type, so strictly speaking
> > you are mixing types int - _Bool + _Bool.
>
> 1. The original code already does that. You still haven't reacted on that.

The original code was int - int + int.

> 2. Is what you are telling a problema?

No, I'm saying that you took perfectly correct code which had all types
aligned and changed it to have mixed type arithmetic.

Thanks

>
> --
> With Best Regards,
> Andy Shevchenko
>
>