linux-kernel - [PATCH 01/08] PCI: rcar: check platform_get

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Message-Id: <20140213030312.10398.47163.sendpatchset@w520>
Date:	Thu, 13 Feb 2014 12:03:12 +0900
From:	Magnus Damm <magnus.damm@...il.com>
To:	linux-pci@...r.kernel.org
Cc:	horms@...ge.net.au, linux-sh@...r.kernel.org,
	linux-kernel@...r.kernel.org, valentine.barshak@...entembedded.com,
	ben.dooks@...ethink.co.uk, geert@...ux-m68k.org,
	bhelgaas@...gle.com, Magnus Damm <magnus.damm@...il.com>
Subject: [PATCH 01/08] PCI: rcar: check platform_get_irq() return code

From: Ben Dooks <ben.dooks@...ethink.co.uk>

The current code does not check the return from platform_get_irq()
so add an error check and return if this call does fail.

Signed-off-by: Ben Dooks <ben.dooks@...ethink.co.uk>
Signed-off-by: Magnus Damm <damm@...nsource.se>
---

 drivers/pci/host/pci-rcar-gen2.c |    5 +++++
 1 file changed, 5 insertions(+)

--- 0001/drivers/pci/host/pci-rcar-gen2.c
+++ work/drivers/pci/host/pci-rcar-gen2.c	2014-02-13 09:41:55.000000000 +0900
@@ -308,6 +308,11 @@ static int __init rcar_pci_probe(struct
 	priv->reg = reg;
 	priv->dev = &pdev->dev;
 
+	if (priv->irq < 0) {
+		dev_err(&pdev->dev, "no valid irq found\n");
+		return priv->irq;
+	}
+
 	return rcar_pci_add_controller(priv);
 }
 
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