From: Johan Hovold <johan@kernel.org>
Date: Mon, 26 Jan 2015 11:02:46 +0000 (+0100)
Subject: gpio: sysfs: fix memory leak in gpiod_sysfs_set_active_low
X-Git-Tag: v3.2.68~13
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4a5233cccf2599f8ae122ae6327cb2a2dce8c429;p=pandora-kernel.git

gpio: sysfs: fix memory leak in gpiod_sysfs_set_active_low

commit 49d2ca84e433dab854c7a866bc6add09cfab682d upstream.

Fix memory leak in the gpio sysfs interface due to failure to drop
reference to device returned by class_find_device when setting the
gpio-line polarity.

Fixes: 0769746183ca ("gpiolib: add support for changing value polarity
in sysfs")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
[bwh: Backported to 3.2: adjust filename]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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