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

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Date:   Thu, 12 Mar 2020 00:49:06 +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 5/5] pci: added check for return value of platform_get_irq

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

diff --git a/drivers/pci/controller/pcie-mediatek.c b/drivers/pci/controller/pcie-mediatek.c
index cb982891b22b..ebfa7d5a4e2d 100644
--- a/drivers/pci/controller/pcie-mediatek.c
+++ b/drivers/pci/controller/pcie-mediatek.c
@@ -651,6 +651,9 @@ static int mtk_pcie_setup_irq(struct mtk_pcie_port *port,
 	}
 
 	port->irq = platform_get_irq(pdev, port->slot);
+	if (port->irq < 0)
+		return port->irq;
+
 	irq_set_chained_handler_and_data(port->irq,
 					 mtk_pcie_intr_handler, port);
 
-- 
2.20.1