Re: [PATCH v4 3/8] iio: core: NULLify private pointer when there is no private data

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On Wed, Feb 28, 2024 at 03:06:42PM -0600, David Lechner wrote:
> On Wed, Feb 28, 2024 at 2:50 PM Andy Shevchenko
> <andriy.shevchenko@xxxxxxxxxxxxxxx> wrote:

...

> > -       indio_dev->priv = (char *)iio_dev_opaque +
> > -               ALIGN(sizeof(struct iio_dev_opaque), IIO_DMA_MINALIGN);
> > +
> > +       if (sizeof_priv)
> > +               indio_dev->priv = (char *)iio_dev_opaque +
> > +                       ALIGN(sizeof(struct iio_dev_opaque), IIO_DMA_MINALIGN);
> > +       else
> > +               indio_dev->priv = NULL;
> 
> Do we actually need the else branch here since we use kzalloc() and
> therefore indio_dev->priv should already be NULL?

This is more robust, but I'm okay to drop this. Up to Jonathan.

-- 
With Best Regards,
Andy Shevchenko






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