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Commit 0b39536c authored by Miaoqian Lin's avatar Miaoqian Lin Committed by Bartosz Golaszewski
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gpio: mpc8xxx: Fix IRQ check in mpc8xxx_probe



platform_get_irq() returns negative error number instead 0 on failure.
And the doc of platform_get_irq() provides a usage example:

    int irq = platform_get_irq(pdev, 0);
    if (irq < 0)
        return irq;

Fix the check of return value to catch errors correctly.

Fixes: 76c47d14 ("gpio: mpc8xxx: Add ACPI support")
Signed-off-by: default avatarMiaoqian Lin <linmq006@gmail.com>
Reviewed-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: default avatarBartosz Golaszewski <brgl@bgdev.pl>
parent df0cc57e
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