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iio: trigger: Fix platform_get_irq's error checking

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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: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Arvind Yadav
2017-11-30 21:13:34 +05:30
committed by Jonathan Cameron
parent 798c3c9b4c
commit cccae60486
1 changed files with 2 additions and 2 deletions
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4
drivers/staging/iio/trigger/iio-trig-bfin-timer.c
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@@ -187,9 +187,9 @@ static int iio_bfin_tmr_trigger_probe(struct platform_device *pdev)
return -ENOMEM; return -ENOMEM;
st->irq = platform_get_irq(pdev, 0); st->irq = platform_get_irq(pdev, 0);
if (!st->irq) { if (st->irq < 0) {
dev_err(&pdev->dev, "No IRQs specified"); dev_err(&pdev->dev, "No IRQs specified");
return -ENODEV; return st->irq;
} }
ret = iio_bfin_tmr_get_number(st->irq); ret = iio_bfin_tmr_get_number(st->irq);