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staging: iio: adc: fix error return code in ad7606_par_probe()

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platform_get_irq() returns an error code, but the ad7606_par driver
ignores it and always returns -ENODEV. This is not correct and,
prevents -EPROBE_DEFER from being propagated properly.

Print and propagate the return value of platform_get_irq on failure.

This issue was detected with the help of Coccinelle.

Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Gustavo A. R. Silva 2017-08-09 10:38:56 -05:00 committed by Jonathan Cameron
parent d95094207f
commit b24d10976e
1 changed files with 2 additions and 2 deletions
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4
drivers/staging/iio/adc/ad7606_par.c
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@ -57,8 +57,8 @@ static int ad7606_par_probe(struct platform_device *pdev)
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
dev_err(&pdev->dev, "no irq\n");
return -ENODEV;
dev_err(&pdev->dev, "no irq: %d\n", irq);
return irq;
}
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);