[PATCH 1/2] iio: adc: stm32-dfsdm: manage the get_irq error case

[Fabien Dessenne]

During probe, check the "get_irq" error value.

Signed-off-by: Fabien Dessenne <fabien.desse...@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