From: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Date: Sun, 15 Nov 2009 22:48:32 +0000 (+0300)
Subject: leds-gpio: fix possible crash on OF device unbinding
X-Git-Tag: v2.6.32-rc8~30^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0b4634fce1f3f7028421630260d54093276db490;p=pandora-kernel.git

leds-gpio: fix possible crash on OF device unbinding

If there are leds present in the OF tree, but the GPIOs for (some) of
them are unavailable, led_data doesn't get populated with correct
devices. Then, on device unbinding, one can crash the kernel.

Workaround this by setting led->gpio to invalid value early.

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
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