diff options
| author | roel kluin <roel.kluin@gmail.com> | 2008-10-21 01:35:34 -0400 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@redhat.com> | 2008-10-22 06:22:07 -0400 |
| commit | d51894f4979e941a86309f29898579cbb591514e (patch) | |
| tree | e848aec1028c068f0e8c6c381477c702df8e0787 /drivers | |
| parent | e1564ec938b759268d6e67f24b5d6f429da4a5a9 (diff) | |
| download | linux-d51894f4979e941a86309f29898579cbb591514e.tar.gz linux-d51894f4979e941a86309f29898579cbb591514e.tar.xz | |
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 <roel.kluin@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/gianfar.c | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c index b5bb7ae2817f..64b201134fdb 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 */ |