Re: [PATCH v4 9/9] Input: add IOC3 serio driver

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed, 14 Aug 2019 15:20:14 +0200
Jonas Gorski <jonas.gorski@xxxxxxxxx> wrote:

> > +       d = devm_kzalloc(&pdev->dev, sizeof(*d), GFP_KERNEL);
> 
> &pdev->dev => dev

will change.

> 
> > +       if (!d)
> > +               return -ENOMEM;
> > +
> > +       sk = kzalloc(sizeof(*sk), GFP_KERNEL);
> 
> any reason not to devm_kzalloc this as well? Then you won't need to
> manually free it in the error cases.

it has different life time than the device, so it may not allocated
via devm_kzalloc

> > +static int ioc3kbd_remove(struct platform_device *pdev)
> > +{
> > +       struct ioc3kbd_data *d = platform_get_drvdata(pdev);
> > +
> > +       devm_free_irq(&pdev->dev, d->irq, d);
> > +       serio_unregister_port(d->kbd);
> > +       serio_unregister_port(d->aux);
> > +       return 0;
> > +}
> 
> and on that topic, won't you need to kfree d->kbd and d->aux here?

that's done in serio_release_port() by the serio core.

Thomas.

-- 
SUSE Linux GmbH
GF: Felix Imendörffer, Mary Higgins, Sri Rasiah
HRB 21284 (AG Nürnberg)



[Index of Archives]     [Kernel Newbies]     [Security]     [Netfilter]     [Bugtraq]     [Linux PPP]     [Linux FS]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Samba]     [Video 4 Linux]     [Linmodem]     [Device Mapper]     [Linux Kernel for ARM]

  Powered by Linux