From: Krzysztof Kozlowski <krzk@kernel.org>
Date: Thu, 27 Aug 2020 07:33:15 +0000 (+0200)
Subject: memory: fsl-corenet-cf: Fix handling of platform_get_irq() error
X-Git-Tag: rel_imx_5.10.35_2.0.0-somdevices.0~906^2~1^2~6
X-Git-Url: https://git.somdevices.com/?a=commitdiff_plain;h=dd85345abca60a8916617e8d75c0f9ce334336dd;p=linux.git

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

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
---

diff --git a/drivers/memory/fsl-corenet-cf.c b/drivers/memory/fsl-corenet-cf.c
index 0b0ed72016da..0309bd5a1800 100644
--- a/drivers/memory/fsl-corenet-cf.c
+++ b/drivers/memory/fsl-corenet-cf.c
@@ -211,10 +211,8 @@ 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) {