Re: [PATCH v1 2/3] pwm: dwc: simplify error handling

From: Andy Shevchenko
Date: Thu Feb 01 2024 - 06:33:20 EST


On Sun, Jan 28, 2024 at 05:58:38PM +0100, Uwe Kleine-König wrote:
> On Sun, Jan 28, 2024 at 04:48:16PM +0200, Andy Shevchenko wrote:
> > On Mon, Jan 22, 2024 at 08:32:37AM +0530, Raag Jadav wrote:
> > > Simplify error handling in ->probe() function using dev_err_probe() helper.

..

> > > ret = pcim_iomap_regions(pci, BIT(0), pci_name(pci));
> > > - if (ret) {
> > > - dev_err(dev, "Failed to iomap PCI BAR (%pe)\n", ERR_PTR(ret));
> > > - return ret;
> > > - }
> > > + if (ret)
> > > + return dev_err_probe(dev, ret, "Failed to iomap PCI BAR (%pe)\n", ERR_PTR(ret));
> > >
> > > base = pcim_iomap_table(pci)[0];
> >
> > > - if (!base) {
> > > - dev_err(dev, "Base address missing\n");
> > > - return -ENOMEM;
> > > - }
> > > + if (!base)
> > > + return dev_err_probe(dev, -ENOMEM, "Base address missing\n");
> >
> > This check is bogus. Just remove it completely.
>
> This would be a separate patch though. IMHO mechanically converting to
> dev_err_probe() is fine.

Sure, that's what I meant. First patch to remove, followed by dev_err_probe()
conversion.

--
With Best Regards,
Andy Shevchenko