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Input: gpio-keys - fix possible NULL pointer dereference 

bdata->button is used in gpio_check_button but never initialized.  Having a
device with debounce_interval != 0 without this patch resulted on an oops on
my machine.

Signed-off-by: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
hifive-unleashed-5.1
Uwe Kleine-König 2008-07-30 10:33:43 -04:00 committed by Dmitry Torokhov
parent 558a171d77
commit 74dd439344
1 changed files with 1 additions and 0 deletions
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drivers/input/keyboard/gpio_keys.c
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@ -118,6 +118,7 @@ static int __devinit gpio_keys_probe(struct platform_device *pdev)
unsigned int type = button->type ?: EV_KEY;
bdata->input = input;
bdata->button = button;
setup_timer(&bdata->timer,
gpio_check_button, (unsigned long)bdata);