arcnet: fix signed bug in probe function

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>

2 files changed, 3 insertions, 3 deletions

diff --git a/drivers/net/arcnet/com20020-isa.c b/drivers/net/arcnet/com20020-isa.c
index 0402da30a4e..37272827ee5 100644
--- a/drivers/net/arcnet/com20020-isa.c
+++ b/drivers/net/arcnet/com20020-isa.c
@@ -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;
diff --git a/drivers/net/arcnet/com90io.c b/drivers/net/arcnet/com90io.c
index 4cb401813b7..eb27976dab3 100644
--- a/drivers/net/arcnet/com90io.c
+++ b/drivers/net/arcnet/com90io.c
@@ -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;
                 }