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    SubjectRe: [PATCH 2/3] gpio: sysfs: fix gpio device-attribute leak
    On Tue, Jan 13, 2015 at 9:00 PM, Johan Hovold <johan@kernel.org> 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@nvidia.com>


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