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SubjectRe: [PATCH v4 6/6] Input: Add ChromeOS EC keyboard driver
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Hi Dmitry,

On Sat, Feb 16, 2013 at 12:49 PM, Dmitry Torokhov
<dmitry.torokhov@gmail.com> wrote:
> Hi Simon,
>
> On Fri, Feb 15, 2013 at 08:16:12PM -0800, Simon Glass wrote:
>> + for (row = 0; row < ckdev->rows; row++) {
>> + if (cros_ec_keyb_row_has_ghosting(ckdev, buf, row))
>> + return true;
>> + }
>
> No need for curly braces here. I would not care if not for below.

OK I dont't think I even knew about that rule. Actually, what is that rule?

>
>> +
>> + return 0;
>> +
>> +fail_register:
>> + kfree(idev->keycode);
>
> Sorry I did not notice this before, but idev->keycode is devm-managed,
> so you either need to use devm_kfree() or just remove call to kfree()
> and let it clean up automatically (which will happen if binding fails or
> upon removal).
>
> BTW, maybe you should move the whole driver to devm_*? We have
> devm_kzalloc() for ckdev and you can use devm_input_allocate_device().
> Then you can get rid of entire erro handling path and completely remove
> the remove() method as well.

Yes I was thinking about that - might as well do it now.

>
>> +fail_matrix:
>> + input_free_device(idev);
>> +fail_alloc_dev:
>> + kfree(ckdev);
>> + return err;
>> +}
>> +
>
> Thanks.
>
> --
> Dmitry

Regards,
Simon


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