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Commit f8ad8aa5 authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Linus Walleij
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gpio: vr41xx: Bail out on gpiochip_lock_as_irq() error 



gpiochip_lock_as_irq() may return a few error codes,
bail out if it fails with corresponding returned code.

Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent d124339d

drivers/gpio/gpio-vr41xx.c

+7 −1
Original line number Diff line number Diff line
@@ -138,10 +138,16 @@ static void unmask_giuint_low(struct irq_data *d) 


static unsigned int startup_giuint(struct irq_data *data)

{

	if (gpiochip_lock_as_irq(&vr41xx_gpio_chip, data->hwirq))

	int ret;



	ret = gpiochip_lock_as_irq(&vr41xx_gpio_chip, irqd_to_hwirq(data));

	if (ret) {

		dev_err(vr41xx_gpio_chip.parent,

			"unable to lock HW IRQ %lu for IRQ\n",

			data->hwirq);

		return ret;

	}



	/* Satisfy the .enable semantics by unmasking the line */

	unmask_giuint_low(data);

	return 0;