linux-kernel - [PATCH 2/5] pci: added check for return value of platform_get

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Message-Id: <53b57606d7bc2615a43b1d5159200dba0435af6d.1583952276.git.amanharitsh123@gmail.com>
Date:   Thu, 12 Mar 2020 00:49:03 +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 2/5] pci: added check for return value of platform_get_irq

Signed-off-by: Aman Sharma <amanharitsh123@...il.com>
---
 drivers/pci/controller/pci-aardvark.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/pci/controller/pci-aardvark.c b/drivers/pci/controller/pci-aardvark.c
index 2a20b649f40c..40a4257f0df1 100644
--- a/drivers/pci/controller/pci-aardvark.c
+++ b/drivers/pci/controller/pci-aardvark.c
@@ -973,6 +973,9 @@ static int advk_pcie_probe(struct platform_device *pdev)
 		return PTR_ERR(pcie->base);
 
 	irq = platform_get_irq(pdev, 0);
+	if (irq < 0)
+		return irq;
+
 	ret = devm_request_irq(dev, irq, advk_pcie_irq_handler,
 			       IRQF_SHARED | IRQF_NO_THREAD, "advk-pcie",
 			       pcie);
-- 
2.20.1