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authorArvind Yadav <arvind.yadav.cs@gmail.com>2017-11-29 21:47:10 +0530
committerMark Brown <broonie@kernel.org>2017-12-01 13:04:51 +0000
commit8d6fb0bce2021baf056344cb0abb2df00c5fe6d5 (patch)
tree95bad22c1484173b8e990af44e7d9e1d7a9bb175
parent4fbd8d194f06c8a3fd2af1ce560ddb31f7ec8323 (diff)
ASoC: ep93xx-ac97: Fix platform_get_irq's error checking
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@gmail.com> Signed-off-by: Mark Brown <broonie@kernel.org>
-rw-r--r--sound/soc/cirrus/ep93xx-ac97.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/sound/soc/cirrus/ep93xx-ac97.c b/sound/soc/cirrus/ep93xx-ac97.c
index bbf7a9266a99..cd5a939ad608 100644
--- a/sound/soc/cirrus/ep93xx-ac97.c
+++ b/sound/soc/cirrus/ep93xx-ac97.c
@@ -365,7 +365,7 @@ static int ep93xx_ac97_probe(struct platform_device *pdev)
{
struct ep93xx_ac97_info *info;
struct resource *res;
- unsigned int irq;
+ int irq;
int ret;
info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL);
@@ -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 < 0 ? irq : -ENODEV;
ret = devm_request_irq(&pdev->dev, irq, ep93xx_ac97_interrupt,
IRQF_TRIGGER_HIGH, pdev->name, info);