From: Roel Kluin <roel.kluin@xxxxxxxxx>
platform_get_irq() can return -ENXIO, but since 'irq' is an unsigned int,
it does not show when the IRQ resource wasn't found.
Signed-off-by: Roel Kluin <roel.kluin@xxxxxxxxx>
Cc: Jeff Garzik <jeff@xxxxxxxxxx>
Cc: Alan Cox <alan@xxxxxxxxxxxxxxxxxxx>
Acked-by: Phil Sutter <n0-1@xxxxxxxxxxx>
Cc: Florian Fainelli <florian@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/ata/pata_rb532_cf.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff -puN drivers/ata/pata_rb532_cf.c~pata-rb532-cf-platform_get_irq-failure-ignored drivers/ata/pata_rb532_cf.c
--- a/drivers/ata/pata_rb532_cf.c~pata-rb532-cf-platform_get_irq-failure-ignored
+++ a/drivers/ata/pata_rb532_cf.c
@@ -117,11 +117,12 @@ static __devinit int rb532_pata_driver_p
return -EINVAL;
}
- irq = platform_get_irq(pdev, 0);
- if (irq <= 0) {
+ ret = platform_get_irq(pdev, 0);
+ if (ret <= 0) {
dev_err(&pdev->dev, "no IRQ resource found\n");
return -ENOENT;
}
+ irq = ret;
gpio = irq_to_gpio(irq);
if (gpio < 0) {
_
--
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