Re: [PATCH 16/18] i2c: i2c-core-base: Use the new i2c_acpi_dev_name() in i2c_set_dev_name()

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On Mon, Nov 30, 2020 at 07:12:41PM +0200, Laurent Pinchart wrote:
> On Mon, Nov 30, 2020 at 01:31:27PM +0000, Daniel Scally wrote:
> > From: Dan Scally <djrscally@xxxxxxxxx>
> > 
> > To make sure the new i2c_acpi_dev_name() always reflects the name of i2c
> > devices sourced from ACPI, use it in i2c_set_dev_name().
> > 
> > Signed-off-by: Dan Scally <djrscally@xxxxxxxxx>
> 
> I'd squash this with 15/18, which would make it clear there's a memory
> leak :-)

...

> >  	if (adev) {
> > -		dev_set_name(&client->dev, "i2c-%s", acpi_dev_name(adev));
> > +		dev_set_name(&client->dev, i2c_acpi_dev_name(adev));
> >  		return;

But you split pattern used in i2c_dev_set_name().
What you need is to provide something like this

#define I2C_DEV_NAME_FORMAT	"i2c-%s"

const char *i2c_acpi_get_dev_name(...)
{
	return kasprintf(..., I2C_DEV_NAME_FORMAT, ...);
}

(Possible in the future if anybody needs
  const char *i2c_dev_get_name_by_bus_and_addr(int bus, unsigned short addr)
)

And here

-		dev_set_name(&client->dev, "i2c-%s", info->dev_name);
+		dev_set_name(&client->dev, I2C_DEV_NAME_FORMAT, info->dev_name);

-		dev_set_name(&client->dev, "i2c-%s", acpi_dev_name(adev));
+		dev_set_name(&client->dev, I2C_DEV_NAME_FORMAT, acpi_dev_name(adev));

-- 
With Best Regards,
Andy Shevchenko;





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