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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>
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4fbd8d194f
commit
8d6fb0bce2
1 changed files with 3 additions and 3 deletions
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@ -365,7 +365,7 @@ static int ep93xx_ac97_probe(struct platform_device *pdev)
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{
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{
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struct ep93xx_ac97_info *info;
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struct ep93xx_ac97_info *info;
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struct resource *res;
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struct resource *res;
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unsigned int irq;
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int irq;
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int ret;
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int ret;
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info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL);
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info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL);
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@ -378,8 +378,8 @@ static int ep93xx_ac97_probe(struct platform_device *pdev)
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return PTR_ERR(info->regs);
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return PTR_ERR(info->regs);
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irq = platform_get_irq(pdev, 0);
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irq = platform_get_irq(pdev, 0);
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if (!irq)
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if (irq <= 0)
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return -ENODEV;
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return irq < 0 ? irq : -ENODEV;
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ret = devm_request_irq(&pdev->dev, irq, ep93xx_ac97_interrupt,
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ret = devm_request_irq(&pdev->dev, irq, ep93xx_ac97_interrupt,
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IRQF_TRIGGER_HIGH, pdev->name, info);
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IRQF_TRIGGER_HIGH, pdev->name, info);
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