[PATCH 1/5] ASoC: ep93xx-ac97: Fix platform_get_irq's error checking

From: Arvind Yadav
Date: Fri Nov 17 2017 - 14:34:02 EST


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.cs@xxxxxxxxx>
---
sound/soc/cirrus/ep93xx-ac97.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sound/soc/cirrus/ep93xx-ac97.c b/sound/soc/cirrus/ep93xx-ac97.c
index bbf7a92..d66c561 100644
--- a/sound/soc/cirrus/ep93xx-ac97.c
+++ b/sound/soc/cirrus/ep93xx-ac97.c
@@ -378,8 +378,8 @@ static int ep93xx_ac97_probe(struct platform_device *pdev)
return PTR_ERR(info->regs);

irq = platform_get_irq(pdev, 0);
- if (!irq)
- return -ENODEV;
+ if (irq < 0)
+ return irq;

ret = devm_request_irq(&pdev->dev, irq, ep93xx_ac97_interrupt,
IRQF_TRIGGER_HIGH, pdev->name, info);
--
2.7.4