[PATCH v6 6/9] rtc: max8997: Check for ERRNO of regmap_irq_get_virq()
From: Krzysztof Kozlowski <hidden>
Date: 2016-05-06 07:28:38
Also in:
linux-arm-kernel, linux-input, linux-leds, linux-pm, linux-rtc, linux-samsung-soc, lkml
Subsystem:
real time clock (rtc) subsystem, the rest · Maintainers:
Alexandre Belloni, Linus Torvalds
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 <redacted> --- 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;
--
1.9.1