From: Charles Han <hanchunchao@xxxxxxxxxx> commit bcb394bb28e55312cace75362b8e489eb0e02a30 upstream. 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: 00ef7708fa60 ("iio: adc: ti-ads1298: Add driver") Signed-off-by: Charles Han <hanchunchao@xxxxxxxxxx> Link: https://patch.msgid.link/20241118090208.14586-1-hanchunchao@xxxxxxxxxx Cc: <Stable@xxxxxxxxxxxxxxx> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/iio/adc/ti-ads1298.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/iio/adc/ti-ads1298.c +++ b/drivers/iio/adc/ti-ads1298.c @@ -613,6 +613,8 @@ static int ads1298_init(struct iio_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, Patches currently in stable-queue which might be from hanchunchao@xxxxxxxxxx are queue-6.12/iio-adc-ti-ads1298-add-null-check-in-ads1298_init.patch