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authorFabien Dessenne <fabien.dessenne@st.com>2019-04-24 15:51:25 +0300
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2019-04-27 16:07:51 +0300
commit3e53ef91f826957dec013c47707ffc1bb42b42d7 (patch)
tree410cadc0e9b1cd1dd1a73436bd3613a3df4d8079 /drivers/iio/adc/stm32-dfsdm-adc.c
parent17b62779cbe40773e10a83af000e51c29b764575 (diff)
downloadlinux-3e53ef91f826957dec013c47707ffc1bb42b42d7.tar.xz
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>
Diffstat (limited to 'drivers/iio/adc/stm32-dfsdm-adc.c')
-rw-r--r--drivers/iio/adc/stm32-dfsdm-adc.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/iio/adc/stm32-dfsdm-adc.c b/drivers/iio/adc/stm32-dfsdm-adc.c
index 19adc2b23472..588907cc3b6b 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) {