On Fri, Jan 7, 2022 at 5:12 AM Dmitry Osipenko <digetx@xxxxxxxxx> wrote:
> 06.01.2022 20:58, Andy Shevchenko пишет:
> > On Thu, Jan 6, 2022 at 7:40 PM Dmitry Osipenko <digetx@xxxxxxxxx> wrote:
> >> 05.01.2022 16:22, Hector Martin пишет:
...
> >> while (alt_paths.index)
> >> kfree(alt_paths.path[--alt_paths.index]);
> >
> > Usual pattern is
> >
> > while (x--)
> > kfree(x);
I have to elaborate that my point is to have postdecrement in the
while() instead of doing predecrement in its body. So the above
example will look
while (alt_paths.index--)
kfree(alt_paths.path[alt_paths.index]);
> > easier to read, extend (if needed).
>
> That is indeed a usual patter for the driver removal code paths. I
> didn't like to have index of struct brcmf_fw underflowed, but I see now
> that fwctx is dynamically created and freed during driver probe, so it
> should be fine to use that usual pattern here too.
--
With Best Regards,
Andy Shevchenko
