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arcnet: fix signed bug in probe function

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probe_irq_off() returns the first irq found or if two irqs are found
then it returns the negative of the first irq found.  We can cast
dev->irq to an int so that the test for negative values works.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Dan Carpenter 2010-07-17 07:21:28 +00:00 committed by David S. Miller
parent 8e64159dfb
commit 0a6efc78c0
2 changed files with 3 additions and 3 deletions
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4
drivers/net/arcnet/com20020-isa.c
View file

@ -90,14 +90,14 @@ static int __init com20020isa_probe(struct net_device *dev)
outb(0, _INTMASK);
dev->irq = probe_irq_off(airqmask);
if (dev->irq <= 0) {
if ((int)dev->irq <= 0) {
BUGMSG(D_INIT_REASONS, "Autoprobe IRQ failed first time\n");
airqmask = probe_irq_on();
outb(NORXflag, _INTMASK);
udelay(5);
outb(0, _INTMASK);
dev->irq = probe_irq_off(airqmask);
if (dev->irq <= 0) {
if ((int)dev->irq <= 0) {
BUGMSG(D_NORMAL, "Autoprobe IRQ failed.\n");
err = -ENODEV;
goto out;

2
drivers/net/arcnet/com90io.c
View file

@ -213,7 +213,7 @@ static int __init com90io_probe(struct net_device *dev)
outb(0, _INTMASK);
dev->irq = probe_irq_off(airqmask);
if (dev->irq <= 0) {
if ((int)dev->irq <= 0) {
BUGMSG(D_INIT_REASONS, "Autoprobe IRQ failed\n");
goto err_out;
}