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IIO: ADC: fix return value check in stm32_dfsdm_adc_probe() 

In case of error, the function devm_iio_device_alloc() returns NULL
pointer not ERR_PTR(). The IS_ERR() test in the return value check
should be replaced with NULL test.

Fixes: e2e6771c64 ("IIO: ADC: add STM32 DFSDM sigma delta ADC support")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Wei Yongjun 2018-01-11 11:12:41 +00:00 committed by Mark Brown
parent 2514071741
commit d5ff18bcd4
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GPG Key ID: 24D68B725D5487D0
1 changed files with 2 additions and 2 deletions
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4
drivers/iio/adc/stm32-dfsdm-adc.c
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@ -1100,9 +1100,9 @@ static int stm32_dfsdm_adc_probe(struct platform_device *pdev)
dev_data = (const struct stm32_dfsdm_dev_data *)of_id->data;
iio = devm_iio_device_alloc(dev, sizeof(*adc));
if (IS_ERR(iio)) {
if (!iio) {
dev_err(dev, "%s: Failed to allocate IIO\n", __func__);
return PTR_ERR(iio);
return -ENOMEM;
}
adc = iio_priv(iio);