From d51894f4979e941a86309f29898579cbb591514e Mon Sep 17 00:00:00 2001 From: roel kluin Date: Tue, 21 Oct 2008 01:35:34 -0400 Subject: [PATCH] gianfar: fix handle errors returned by platform_get_irq*() platform_get_irq*() returns on -ENXIO when the resource cannot be found, but this remains unnoticed if stored in an unsigned. Signed-off-by: Roel Kluin Signed-off-by: Jeff Garzik --- drivers/net/gianfar.c | 24 +++++++++++++++++------- 1 file changed, 17 insertions(+), 7 deletions(-) diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c index b5bb7ae2817..64b201134fd 100644 --- a/drivers/net/gianfar.c +++ b/drivers/net/gianfar.c @@ -161,7 +161,7 @@ static int gfar_probe(struct platform_device *pdev) struct gfar_private *priv = NULL; struct gianfar_platform_data *einfo; struct resource *r; - int err = 0; + int err = 0, irq; DECLARE_MAC_BUF(mac); einfo = (struct gianfar_platform_data *) pdev->dev.platform_data; @@ -187,15 +187,25 @@ static int gfar_probe(struct platform_device *pdev) /* fill out IRQ fields */ if (einfo->device_flags & FSL_GIANFAR_DEV_HAS_MULTI_INTR) { - priv->interruptTransmit = platform_get_irq_byname(pdev, "tx"); - priv->interruptReceive = platform_get_irq_byname(pdev, "rx"); - priv->interruptError = platform_get_irq_byname(pdev, "error"); - if (priv->interruptTransmit < 0 || priv->interruptReceive < 0 || priv->interruptError < 0) + irq = platform_get_irq_byname(pdev, "tx"); + if (irq < 0) + goto regs_fail; + priv->interruptTransmit = irq; + + irq = platform_get_irq_byname(pdev, "rx"); + if (irq < 0) + goto regs_fail; + priv->interruptReceive = irq; + + irq = platform_get_irq_byname(pdev, "error"); + if (irq < 0) goto regs_fail; + priv->interruptError = irq; } else { - priv->interruptTransmit = platform_get_irq(pdev, 0); - if (priv->interruptTransmit < 0) + irq = platform_get_irq(pdev, 0); + if (irq < 0) goto regs_fail; + priv->interruptTransmit = irq; } /* get a pointer to the register memory */ -- 2.41.1