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iio: adc: ti-ads1298: Add NULL check in ads1298_init

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devm_kasprintf() can return a NULL pointer on failure. A check on the
return value of such a call in ads1298_init() is missing. Add it.

Fixes: 00ef7708fa ("iio: adc: ti-ads1298: Add driver")
Signed-off-by: Charles Han <hanchunchao@inspur.com>
Link: https://patch.msgid.link/20241118090208.14586-1-hanchunchao@inspur.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Charles Han
2024-11-18 17:02:08 +08:00
committed by Jonathan Cameron
parent ad8479ac08
commit bcb394bb28
1 changed files with 2 additions and 0 deletions
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2
drivers/iio/adc/ti-ads1298.c
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@@ -613,6 +613,8 @@ static int ads1298_init(struct iio_dev *indio_dev)
}
indio_dev->name = devm_kasprintf(dev, GFP_KERNEL, "ads129%u%s",
indio_dev->num_channels, suffix);
if (!indio_dev->name)
return -ENOMEM;
/* Enable internal test signal, double amplitude, double frequency */
ret = regmap_write(priv->regmap, ADS1298_REG_CONFIG2,