NO_IRQ is used to check the return of irq_of_parse_and_map().
On some architecture NO_IRQ is 0, on other architectures it is -1.
irq_of_parse_and_map() returns 0 on error, independent of NO_IRQ.
So use 0 instead of using NO_IRQ.
Signed-off-by: Christophe Leroy <christophe.leroy@xxxxxxxxxx>
---
drivers/scsi/mac_scsi.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/scsi/mac_scsi.c b/drivers/scsi/mac_scsi.c
index 2e511697fce3..e4df2b501e8b 100644
--- a/drivers/scsi/mac_scsi.c
+++ b/drivers/scsi/mac_scsi.c
@@ -478,7 +478,7 @@ static int __init mac_scsi_probe(struct platform_device *pdev)
if (irq)
instance->irq = irq->start;
else
- instance->irq = NO_IRQ;
+ instance->irq = 0;
hostdata = shost_priv(instance);
hostdata->base = pio_mem->start;
@@ -495,7 +495,7 @@ static int __init mac_scsi_probe(struct platform_device *pdev)
if (error)
goto fail_init;
- if (instance->irq != NO_IRQ) {
+ if (instance->irq) {
error = request_irq(instance->irq, macscsi_intr, IRQF_SHARED,
"NCR5380", instance);
if (error)
@@ -514,7 +514,7 @@ static int __init mac_scsi_probe(struct platform_device *pdev)
return 0;
fail_host:
- if (instance->irq != NO_IRQ)
+ if (instance->irq)
free_irq(instance->irq, instance);
fail_irq:
NCR5380_exit(instance);
@@ -528,7 +528,7 @@ static int __exit mac_scsi_remove(struct platform_device *pdev)
struct Scsi_Host *instance = platform_get_drvdata(pdev);
scsi_remove_host(instance);
- if (instance->irq != NO_IRQ)
+ if (instance->irq)
free_irq(instance->irq, instance);
NCR5380_exit(instance);
scsi_host_put(instance);
--
2.37.1
