netdev - [PATCH 2/2] can: c_can_platform: fix irq check in probe

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Message-Id: <1300970073-25522-3-git-send-email-mkl@pengutronix.de>
Date:	Thu, 24 Mar 2011 13:34:33 +0100
From:	Marc Kleine-Budde <mkl@...gutronix.de>
To:	netdev@...r.kernel.org
Cc:	Socketcan-core@...ts.berlios.de, jan@...utronix.de,
	David Miller <davem@...emloft.net>,
	Marc Kleine-Budde <mkl@...gutronix.de>,
	Bhupesh Sharma <bhupesh.sharma@...com>
Subject: [PATCH 2/2] can: c_can_platform: fix irq check in probe

This patch fixes the check in the probe function whether a IRQ was supplied
to the driver. The original driver check the irq "struct resource *" against
<= 0. Use "platform_get_irq" instead.

Signed-off-by: Marc Kleine-Budde <mkl@...gutronix.de>
Cc: Bhupesh Sharma <bhupesh.sharma@...com>
---
 drivers/net/can/c_can/c_can_platform.c |    9 +++++----
 1 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/net/can/c_can/c_can_platform.c b/drivers/net/can/c_can/c_can_platform.c
index e629b96..cc90824 100644
--- a/drivers/net/can/c_can/c_can_platform.c
+++ b/drivers/net/can/c_can/c_can_platform.c
@@ -73,7 +73,8 @@ static int __devinit c_can_plat_probe(struct platform_device *pdev)
 	void __iomem *addr;
 	struct net_device *dev;
 	struct c_can_priv *priv;
-	struct resource *mem, *irq;
+	struct resource *mem;
+	int irq;
 #ifdef CONFIG_HAVE_CLK
 	struct clk *clk;
 
@@ -88,8 +89,8 @@ static int __devinit c_can_plat_probe(struct platform_device *pdev)
 
 	/* get the platform data */
 	mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
-	if (!mem || (irq <= 0)) {
+	irq = platform_get_irq(pdev, 0);
+	if (!mem || irq <= 0) {
 		ret = -ENODEV;
 		goto exit_free_clk;
 	}
@@ -117,7 +118,7 @@ static int __devinit c_can_plat_probe(struct platform_device *pdev)
 
 	priv = netdev_priv(dev);
 
-	dev->irq = irq->start;
+	dev->irq = irq;
 	priv->regs = addr;
 #ifdef CONFIG_HAVE_CLK
 	priv->can.clock.freq = clk_get_rate(clk);
-- 
1.7.2.3

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