diff mbox

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

Message ID 1464774841-1439-5-git-send-email-k.kozlowski@samsung.com (mailing list archive)
State Not Applicable
Headers show

Commit Message

Krzysztof Kozlowski June 1, 2016, 9:54 a.m. UTC 
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@samsung.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
---
 drivers/rtc/rtc-max8997.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox

Patch

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;