linux-kernel - [PATCH 4/5] pci: handled return value of platform_get

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Date:   Thu, 12 Mar 2020 00:49:05 +0530
From:   Aman Sharma <amanharitsh123@...il.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     amanharitsh123@...il.com,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Andrew Murray <amurray@...goodpenguin.co.uk>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Ryder Lee <ryder.lee@...iatek.com>,
        Karthikeyan Mitran <m.karthikeyan@...iveil.co.in>,
        Hou Zhiqiang <Zhiqiang.Hou@....com>,
        Marc Gonzalez <marc.w.gonzalez@...e.fr>,
        Mans Rullgard <mans@...sr.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        linux-pci@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-mediatek@...ts.infradead.org
Subject: [PATCH 4/5] pci: handled return value of platform_get_irq correctly

Signed-off-by: Aman Sharma <amanharitsh123@...il.com>
---
 drivers/pci/controller/pcie-tango.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/pci/controller/pcie-tango.c b/drivers/pci/controller/pcie-tango.c
index 21a208da3f59..18c2c4313eb5 100644
--- a/drivers/pci/controller/pcie-tango.c
+++ b/drivers/pci/controller/pcie-tango.c
@@ -273,9 +273,9 @@ static int tango_pcie_probe(struct platform_device *pdev)
 		writel_relaxed(0, pcie->base + SMP8759_ENABLE + offset);
 
 	virq = platform_get_irq(pdev, 1);
-	if (virq <= 0) {
+	if (virq < 0) {
 		dev_err(dev, "Failed to map IRQ\n");
-		return -ENXIO;
+		return virq;
 	}
 
 	irq_dom = irq_domain_create_linear(fwnode, MSI_MAX, &dom_ops, pcie);
-- 
2.20.1