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iio: adc: stm32-dfsdm: manage the get_irq error case 

During probe, check the "get_irq" error value.

Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com>
Acked-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
alistair/sunxi64-5.4-dsi
Fabien Dessenne 2019-04-24 14:51:25 +02:00 committed by Jonathan Cameron
parent 17b62779cb
commit 3e53ef91f8
1 changed files with 6 additions and 0 deletions
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6
drivers/iio/adc/stm32-dfsdm-adc.c
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@ -1456,6 +1456,12 @@ static int stm32_dfsdm_adc_probe(struct platform_device *pdev)
* So IRQ associated to filter instance 0 is dedicated to the Filter 0.
*/
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
if (irq != -EPROBE_DEFER)
dev_err(dev, "Failed to get IRQ: %d\n", irq);
return irq;
}
ret = devm_request_irq(dev, irq, stm32_dfsdm_irq,
0, pdev->name, adc);
if (ret < 0) {