| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.10 282/599] power: reset: gemini-poweroff: Fix IRQ check in gemini_poweroff_probe | Date | Tue, 5 Apr 2022 09:29:36 +0200 |
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From: Miaoqian Lin <linmq006@gmail.com>
[ 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: f7a388d6cd1c ("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> --- drivers/power/reset/gemini-poweroff.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/power/reset/gemini-poweroff.c b/drivers/power/reset/gemini-poweroff.c index 90e35c07240a..b7f7a8225f22 100644 --- a/drivers/power/reset/gemini-poweroff.c +++ b/drivers/power/reset/gemini-poweroff.c @@ -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; -- 2.34.1
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