login
Header Space

 
 

Re: [PATCH v2] asic3: platform_get_irq() may return signed unnoticed

Score:
Previous message: [thread] [date] [author]
Next message: [thread] [date] [author]
To: <pb@...>, <sameo@...>, lkml <linux-kernel@...>
Date: Wednesday, April 23, 2008 - 6:58 pm

Thanks to Joe Perches for catching an error in my previous
---
asic->irq_nr is unsigned. platform_get_irq() may return signed unnoticed

Signed-off-by: Roel Kluin <12o3l@tiscali.nl>
---
diff --git a/drivers/mfd/asic3.c b/drivers/mfd/asic3.c
index f6f2d96..abd7ffc 100644
--- a/drivers/mfd/asic3.c
+++ b/drivers/mfd/asic3.c
@@ -300,10 +300,13 @@ static int asic3_irq_probe(struct platform_device *pdev)
 	struct asic3 *asic = platform_get_drvdata(pdev);
 	unsigned long clksel = 0;
 	unsigned int irq, irq_base;
+	int ret;
+
+	ret = platform_get_irq(pdev, 0);
+	if (ret < 0)
+		return ret;
 
-	asic->irq_nr = platform_get_irq(pdev, 0);
-	if (asic->irq_nr < 0)
-		return asic->irq_nr;
+	asic->irq_nr = ret;
 
 	/* turn on clock to IRQ controller */
 	clksel |= CLOCK_SEL_CX;

--
Previous message: [thread] [date] [author]
Next message: [thread] [date] [author]

Messages in current thread:
Re: [PATCH v2] asic3: platform_get_irq() may return signed u..., Roel Kluin, (Wed Apr 23, 6:58 pm)
speck-geostationary