On Tue, Dec 09, 2014 at 12:44:12PM -0200, Fabio Estevam wrote:
> Commit af906faabcf91eb1 ("Input: gpio_keys - fix warning regarding
> uninitialized
> 'irq' variable") introduced the following build warning:
>
> drivers/input/keyboard/gpio_keys.c:625:16: warning: 'button' may be used
> uninitialized in this function [-Wmaybe-uninitialized]
>
> Move the 'button' initialization to a proper location to avoid such warning.
Doh! Why didn't I see the warning at least? Argh!
Applied, thank you.
>
> Reported-by: Olof's autobuilder <[email protected]>
> Signed-off-by: Fabio Estevam <[email protected]>
> ---
> drivers/input/keyboard/gpio_keys.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/input/keyboard/gpio_keys.c
> b/drivers/input/keyboard/gpio_keys.c
> index fb8256f..28ac922 100644
> --- a/drivers/input/keyboard/gpio_keys.c
> +++ b/drivers/input/keyboard/gpio_keys.c
> @@ -621,6 +621,8 @@ gpio_keys_get_devtree_pdata(struct device *dev)
> int gpio = -1;
> enum of_gpio_flags flags;
>
> + button = &pdata->buttons[i++];
> +
> if (!of_find_property(pp, "gpios", NULL)) {
> button->irq = irq_of_parse_and_map(pp, 0);
> if (button->irq == 0) {
> @@ -640,8 +642,6 @@ gpio_keys_get_devtree_pdata(struct device *dev)
> }
> }
>
> - button = &pdata->buttons[i++];
> -
> button->gpio = gpio;
> button->active_low = flags & OF_GPIO_ACTIVE_LOW;
>
> --
> 1.9.1
>
--
Dmitry
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