Re: [PATCH v8 2/8] iio: dac: ad5686: missing NULL check on match data

Andy Shevchenko <[email protected]>
Newsgroups org.kernel.vger.linux-hardening,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-iio,org.kernel.vger.linux-kernel
Organization Intel Finland Oy - BIC 0357606-4 - c/o Alberga Business Park, 6 krs, Bertel Jungin Aukio 5, 02600 Espoo
Message-ID <[email protected]>
On Fri, Jul 17, 2026 at 07:51:35AM +0100, Rodrigo Alencar wrote:
> On 16/07/26 21:42, Andy Shevchenko wrote:
> > On Thu, Jul 16, 2026 at 01:14:18PM +0100, Rodrigo Alencar via B4 Relay wrote:

...

> > >  	struct iio_dev *indio_dev;
> > >  	int ret, i;
> > 
> > Move an assignment here as well.
> > 
> > 	chip_info = ...
> 
> assignment? this is an input param validation

Can we make sure we always get a correct one to begin with?
With that an assignment and check can be coupled together.
Also consider use -ENODATA as it's most likely comes from
driver_data.

> > > +	if (!chip_info)
> > > +		return -ENODEV;

-- 
With Best Regards,
Andy Shevchenko
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