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power: reset: gemini-poweroff: Fix IRQ check in gemini_poweroff_probe

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[ Upstream commit ba18dad0fb880cd29aa97b6b75560ef14d1061ba ]

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: f7a388d6cd ("power: reset: Add a driver for the Gemini poweroff")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Miaoqian Lin 2022-01-20 10:46:54 +00:00 • committed by Greg Kroah-Hartman
commit 3be1bb175f
1 changed files with 2 additions and 2 deletions
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4
drivers/power/reset/gemini-poweroff.c
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@ -107,8 +107,8 @@ static int gemini_poweroff_probe(struct platform_device *pdev)
return PTR_ERR(gpw->base);
irq = platform_get_irq(pdev, 0);
if (!irq)
return -EINVAL;
if (irq < 0)
return irq;
gpw->dev = dev;