From 69b680bbac9bd611aaa308769d6c71e3e70eb3c3 Mon Sep 17 00:00:00 2001 From: Charles Han Date: Mon, 18 Nov 2024 17:02:08 +0800 Subject: [PATCH] iio: adc: ti-ads1298: Add NULL check in ads1298_init 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 Link: https://patch.msgid.link/20241118090208.14586-1-hanchunchao@inspur.com Cc: Signed-off-by: Jonathan Cameron Signed-off-by: Greg Kroah-Hartman --- drivers/iio/adc/ti-ads1298.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/iio/adc/ti-ads1298.c b/drivers/iio/adc/ti-ads1298.c index 0f9f75baaebb..d00cd169e8df 100644 --- 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) } 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,