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    SubjectRe: [PATCH 3.12 140/176] gpio: sysfs: fix gpio device-attribute leak
    On 01/28/2015, 05:10 PM, Johan Hovold wrote:
    > On Wed, Jan 28, 2015 at 03:29:30PM +0100, Jiri Slaby wrote:
    >> From: Johan Hovold <johan@kernel.org>
    >>
    >> 3.12-stable review patch. If anyone has any objections, please let me know.
    >>
    >> ===============
    >>
    >> commit 0915e6feb38de8d3601819992a5bd050201a56fa upstream.
    >>
    >> 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.
    >>
    >> Fixes: d8f388d8dc8d ("gpio: sysfs interface")
    >> Signed-off-by: Johan Hovold <johan@kernel.org>
    >> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
    >> Signed-off-by: Jiri Slaby <jslaby@suse.cz>
    >
    > There was a mistake in the 3.14 (and 3.12) backport. A fixed v2 backport
    > has been posted in this thread:
    >
    > https://marc.info/?l=linux-kernel&m=142241055931689&w=2

    But there is no thread. Could you repost?


    --
    js
    suse labs


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