gpio: sysfs: fix gpio attribute-creation race

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commit ebbeba120a upstream.

Fix attribute-creation race with userspace by using the default group
to create also the contingent gpio device attributes.

Fixes: d8f388d8dc ("gpio: sysfs interface")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
[ luis: backported to 3.16:
  - all changes in drivers/gpio/gpiolib.c
  - adjusted context ]
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>

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Johan Hovold 2015-01-13 13:00:06 +01:00 • committed by Luis Henriques

parent 11fd056bd8

commit 58409c4e5a

1 changed files with 40 additions and 22 deletions

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drivers/gpio/gpiolib.c

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