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memory: fsl-corenet-cf: Fix handling of platform_get_irq() error

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[ Upstream commit dd85345abca60a8916617e8d75c0f9ce334336dd ]

platform_get_irq() returns -ERRNO on error.  In such case comparison
to 0 would pass the check.

Fixes: 54afbec0d57f ("memory: Freescale CoreNet Coherency Fabric error reporting driver")
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20200827073315.29351-1-krzk@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Krzysztof Kozlowski 2020-08-27 09:33:15 +02:00 committed by Greg Kroah-Hartman
parent 412349b464
commit f589675793
1 changed files with 2 additions and 4 deletions
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6
drivers/memory/fsl-corenet-cf.c
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@ -215,10 +215,8 @@ static int ccf_probe(struct platform_device *pdev)
dev_set_drvdata(&pdev->dev, ccf);
irq = platform_get_irq(pdev, 0);
if (!irq) {
dev_err(&pdev->dev, "%s: no irq\n", __func__);
return -ENXIO;
}
if (irq < 0)
return irq;
ret = devm_request_irq(&pdev->dev, irq, ccf_irq, 0, pdev->name, ccf);
if (ret) {