Re: [PATCH 1/8] arch/mips/txx9: introduce missing kfree, iounmap

From: Atsushi Nemoto
Date: Tue Sep 15 2009 - 11:45:37 EST


On Tue, 15 Sep 2009 07:03:42 +0200 (CEST), Julia Lawall <julia@xxxxxxx> wrote:
> > +out_pdev:
> > + platform_device_put(pdev);
> > +out_gpio:
> > + gpio_remove(&iocled->chip);
>
> I just noticed that the prototype of gpio_remove has __must_check
> I don't think there is anything to check here; since the thing is not
> fully initialized here, it is unlikely to be busy. Should there be (void)
> in front of it?

The void casting does not silence the warning. How about this?

if (gpiochip_remove(&iocled->chip))
return;

In general, memory leak would be less serious than crash or data
corruption ;)

---
Atsushi Nemoto
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