linux-kernel - [PATCH] ARM: am79c961a: platform_get

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Message-ID: <480FADA3.7030708@tiscali.nl>
Date:	Wed, 23 Apr 2008 23:44:03 +0200
From:	Roel Kluin <12o3l@...cali.nl>
To:	rmk@....linux.org.uk,
	Linux-arm <linux-arm-kernel@...ts.arm.linux.org.uk>
CC:	lkml <linux-kernel@...r.kernel.org>
Subject: [PATCH] ARM: am79c961a: platform_get_irq() may return signed unnoticed

dev->irq is unsigned, platform_get_irq() may return signed unnoticed

Signed-off-by: Roel Kluin <12o3l@...cali.nl>
---
diff --git a/drivers/net/arm/am79c961a.c b/drivers/net/arm/am79c961a.c
index ba6bd03..a637910 100644
--- a/drivers/net/arm/am79c961a.c
+++ b/drivers/net/arm/am79c961a.c
@@ -693,11 +693,15 @@ static int __init am79c961_probe(struct platform_device *pdev)
 	 * done by the ether bootp loader.
 	 */
 	dev->base_addr = res->start;
-	dev->irq = platform_get_irq(pdev, 0);
+	ret = platform_get_irq(pdev, 0);
 
-	ret = -ENODEV;
-	if (dev->irq < 0)
+	if (ret < 0) {
+		ret = -ENODEV;
 		goto nodev;
+	}
+	dev->irq = ret;
+
+	ret = -ENODEV;
 	if (!request_region(dev->base_addr, 0x18, dev->name))
 		goto nodev;
 
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