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| author |   Olivier Moysan <olivier.moysan@foss.st.com> | 2021-11-22 15:38:09 +0100 |
|---|---|---|
| committer |   Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2021-11-27 16:09:05 +0000 |
| commit | 784b470728f5ae44f245338e4660144d46dc0876 (patch) | |
| tree | 84fd93f72ac867b9e8063309fa4326f4b80e1609 /lib/test_overflow.c | |
| parent | iio: at91-sama5d2: Fix incorrect sign extension (diff) | |
| download | linux-dev-784b470728f5ae44f245338e4660144d46dc0876.tar.xz linux-dev-784b470728f5ae44f245338e4660144d46dc0876.zip | |
iio: adc: stm32: fix null pointer on defer_probe error
dev_err_probe() calls __device_set_deferred_probe_reason()
on -EPROBE_DEFER error. If device pointer to driver core
private structure is not initialized, an null pointer error occurs.
This pointer is set on iio_device_register() call for iio device.
dev_err_probe() must be called with the device which is probing.
Replace iio device by its parent device.
Fixes: 0e346b2cfa85 ("iio: adc: stm32-adc: add vrefint calibration support")
Signed-off-by: Olivier Moysan <olivier.moysan@foss.st.com>
Reviewed-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Link: https://lore.kernel.org/r/20211122143809.2332-1-olivier.moysan@foss.st.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'lib/test_overflow.c')
0 files changed, 0 insertions, 0 deletions