From: Grant Likely <grant.likely@secretlab.ca>
Date: Sat, 9 Feb 2013 09:41:49 +0000 (+0000)
Subject: gpiolib: Fix locking on gpio debugfs files
X-Git-Tag: v3.9-rc1~76^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=362432aed5e5b497a8cf7b20c268ba71df93c045;p=pandora-kernel.git

gpiolib: Fix locking on gpio debugfs files

The debugfs files really need to hold the gpiolib spinlock before
accessing the list. Otherwise chip addition/removal will cause an oops.

Cc: Alexandre Courbot <acourbot@nvidia.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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