From: Mark Brown Date: Thu, 26 Nov 2015 11:59:46 +0000 (+0000) Subject: net: fsl: Fix error checking for platform_get_irq() X-Git-Tag: v5.15~14612^2~27 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=0f2c0d32e6536ad39c3e9589d42c53d0ee3bfa08;p=platform%2Fkernel%2Flinux-starfive.git net: fsl: Fix error checking for platform_get_irq() The gianfar driver has recently been enabled on arm64 but fails to build since it check the return value of platform_get_irq() against NO_IRQ. Fix this by instead checking for a negative error code. Even on ARM where this code was previously being built this check was incorrect since platform_get_irq() returns a negative error code which may not be exactly the (unsigned int)(-1) that NO_IRQ is defined to be. Signed-off-by: Mark Brown Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/freescale/gianfar_ptp.c b/drivers/net/ethernet/freescale/gianfar_ptp.c index 664d0c2..b40fba9 100644 --- a/drivers/net/ethernet/freescale/gianfar_ptp.c +++ b/drivers/net/ethernet/freescale/gianfar_ptp.c @@ -467,7 +467,7 @@ static int gianfar_ptp_probe(struct platform_device *dev) etsects->irq = platform_get_irq(dev, 0); - if (etsects->irq == NO_IRQ) { + if (etsects->irq < 0) { pr_err("irq not in device tree\n"); goto no_node; }