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gpio: ftgpio: Fix an error handling path in 'ftgpio_gpio_probe()'

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If 'devm_kcalloc()' fails, we should go through the error handling path,
should some clean-up be needed.

Fixes: 42d9fc7176 ("gpio: ftgpio: Pass irqchip when adding gpiochip")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/20190822204538.4791-1-christophe.jaillet@wanadoo.fr
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Christophe JAILLET 2019-08-22 22:45:38 +02:00 committed by Linus Walleij
parent c7663fa2a6
commit b1d64c7139
1 changed files with 4 additions and 2 deletions
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6
drivers/gpio/gpio-ftgpio010.c
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@ -290,8 +290,10 @@ static int ftgpio_gpio_probe(struct platform_device *pdev)
girq->num_parents = 1;
girq->parents = devm_kcalloc(dev, 1, sizeof(*girq->parents),
GFP_KERNEL);
if (!girq->parents)
return -ENOMEM;
if (!girq->parents) {
ret = -ENOMEM;
goto dis_clk;
}
girq->default_type = IRQ_TYPE_NONE;
girq->handler = handle_bad_irq;
girq->parents[0] = irq;