From: Uwe Kleine-König Date: Wed, 9 Feb 2011 10:28:04 +0000 (+0100) Subject: don't check platform_get_irq's return value against zero X-Git-Tag: v2.6.39-rc4~56^2~1 X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=c7d876321f4cf252bc70c1995bbc077a65b3af2a;p=~shefty%2Frdma-dev.git don't check platform_get_irq's return value against zero platform_get_irq returns -ENXIO on failure, so !int_irq was probably always true. Better use (int)int_irq <= 0. Note that a return value of zero is still handled as error even though this could mean irq0. This is a followup to 305b3228f9ff4d59f49e6d34a7034d44ee8ce2f0 that changed the return value of platform_get_irq from 0 to -ENXIO on error. Acked-by: Hans-Christian Egtvedt Signed-off-by: Uwe Kleine-König Signed-off-by: Hans-Christian Egtvedt --- diff --git a/arch/avr32/mach-at32ap/extint.c b/arch/avr32/mach-at32ap/extint.c index 755ac599b30..fbc2aeaebdd 100644 --- a/arch/avr32/mach-at32ap/extint.c +++ b/arch/avr32/mach-at32ap/extint.c @@ -191,7 +191,7 @@ static int __init eic_probe(struct platform_device *pdev) regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); int_irq = platform_get_irq(pdev, 0); - if (!regs || !int_irq) { + if (!regs || (int)int_irq <= 0) { dev_dbg(&pdev->dev, "missing regs and/or irq resource\n"); return -ENXIO; }