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Commit dd291497 authored by Axel Lin's avatar Axel Lin Committed by Linus Walleij
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gpio: em: Fix checking return value of irq_alloc_descs 



irq_alloc_descs() returns negative error code on failure.

Signed-off-by: default avatarAxel Lin <axel.lin@gmail.com>
Acked-by: default avatarMagnus Damm <damm@opensource.se>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent 4c30aa33

drivers/gpio/gpio-em.c

+2 −2
Original line number Diff line number Diff line
@@ -247,9 +247,9 @@ static int __devinit em_gio_irq_domain_init(struct em_gio_priv *p) 


	p->irq_base = irq_alloc_descs(pdata->irq_base, 0,

				      pdata->number_of_pins, numa_node_id());

	if (IS_ERR_VALUE(p->irq_base)) {

	if (p->irq_base < 0) {

		dev_err(&pdev->dev, "cannot get irq_desc\n");

		return -ENXIO;

		return p->irq_base;

	}

	pr_debug("gio: hw base = %d, nr = %d, sw base = %d\n",

		 pdata->gpio_base, pdata->number_of_pins, p->irq_base);