The platform_get_irq() function returns negative if an error occurs.
zero or positive number on success. platform_get_irq() error checking
for zero is not correct.
Signed-off-by: Arvind Yadav <arvind.yadav...@gmail.com>
---
changes in v2 :
Add failure case '<= 0' instead of '< 0'. IRQ 0 is not valid.
changes in v3:
Return -ENODEV instead of ssc->irq.
drivers/misc/atmel-ssc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/misc/atmel-ssc.c b/drivers/misc/atmel-ssc.c
index b2a0340..2ec0f9e 100644
--- a/drivers/misc/atmel-ssc.c
+++ b/drivers/misc/atmel-ssc.c
@@ -235,7 +235,7 @@ static int ssc_probe(struct platform_device *pdev)
clk_disable_unprepare(ssc->clk);
ssc->irq = platform_get_irq(pdev, 0);
- if (!ssc->irq) {
+ if (ssc->irq <= 0) {
dev_dbg(&pdev->dev, "could not get irq\n");
return -ENXIO;
}
--
2.7.4
