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>
diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index b5bb7ae..64b2011 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -161,7 +161,7 @@
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 @@
/* 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 */