[PATCH v7 5/6] rtc: max8997: Check for ERRNO of regmap_irq_get_virq()

Krzysztof Kozlowski
2016-06-01T09:54:00Z

The regmap_irq_get_virq() can return zero or negative ERRNO, so it is
insufficient to check only for non-zero value.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
Acked-by: Alexandre Belloni <alexandre.belloni-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
---
drivers/rtc/rtc-max8997.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/rtc/rtc-max8997.c b/drivers/rtc/rtc-max8997.c
index 4998aee0f07f..1a06e17ebe9b 100644
--- a/drivers/rtc/rtc-max8997.c
+++ b/drivers/rtc/rtc-max8997.c
@@ -497,7 +497,7 @@ static int max8997_rtc_probe(struct platform_device *pdev)
}

virq = regmap_irq_get_virq(max8997->irq_data, MAX8997_PMICIRQ_RTCA1);
- if (!virq) {
+ if (virq <= 0) {
dev_err(&pdev->dev, "Failed to create mapping alarm IRQ\n");
ret = -ENXIO;
goto err_out;