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Subject[PATCH 1/2] iio: adc: stm32-dfsdm: manage the get_irq error case
Date
During probe, check the "get_irq" error value.

Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com>
---
drivers/iio/adc/stm32-dfsdm-adc.c | 6 ++++++
1 file changed, 6 insertions(+)

diff --git a/drivers/iio/adc/stm32-dfsdm-adc.c b/drivers/iio/adc/stm32-dfsdm-adc.c
index 19adc2b..588907c 100644
--- a/drivers/iio/adc/stm32-dfsdm-adc.c
+++ b/drivers/iio/adc/stm32-dfsdm-adc.c
@@ -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) {
--
2.7.4
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