On Wed, Jan 28, 2015 at 03:29:30PM +0100, Jiri Slaby wrote:
> From: Johan Hovold <jo...@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 <jo...@kernel.org>
> Signed-off-by: Linus Walleij <linus.wall...@linaro.org>
> Signed-off-by: Jiri Slaby <jsl...@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
Johan
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