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iio: adc: MCP3564: fix the static checker warning
The patch33ec3e5fc1
: "iio: adc: adding support for MCP3564 ADC" from Aug 29, 2023 (linux-next), leads to the following Smatch static checker warning: drivers/iio/adc/mcp3564.c:1426 mcp3564_probe() warn: address of NULL pointer 'indio_dev' drivers/iio/adc/mcp3564.c 1421 struct iio_dev *indio_dev; 1422 struct mcp3564_state *adc; 1423 1424 indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*adc)); 1425 if (!indio_dev) { --> 1426 dev_err_probe(&indio_dev->dev, PTR_ERR(indio_dev), ^^^^^^^^^^^^^^^ Fixes:33ec3e5fc1
(iio: adc: adding support for MCP3564 ADC) Signed-off-by: Marius Cristea <marius.cristea@microchip.com> Link: https://lore.kernel.org/r/20230918075633.1884-1-marius.cristea@microchip.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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431dffc1df
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efea15e3c6
1 changed files with 1 additions and 4 deletions
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@ -1422,11 +1422,8 @@ static int mcp3564_probe(struct spi_device *spi)
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struct mcp3564_state *adc;
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indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*adc));
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if (!indio_dev) {
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dev_err_probe(&indio_dev->dev, PTR_ERR(indio_dev),
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"Can't allocate iio device\n");
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if (!indio_dev)
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return -ENOMEM;
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}
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adc = iio_priv(indio_dev);
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adc->spi = spi;
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