Re: [PATCH 2/3] gpio: sysfs: fix gpio device-attribute leak

From: Alexandre Courbot
Date: Sun Jan 25 2015 - 04:28:05 EST


On Tue, Jan 13, 2015 at 9:00 PM, Johan Hovold <johan@xxxxxxxxxx> wrote:
> The gpio device attributes were never destroyed when the gpio was
> unexported (or on export failures).
>
> Use device_create_with_groups() to create the default device attributes
> of the gpio class device. Note that this also fixes the
> attribute-creation race with userspace for these attributes.
>
> Remove contingent attributes in export error path and on unexport.

Reviewed-by: Alexandre Courbot <acourbot@xxxxxxxxxx>
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