diff --git a/drivers/iio/adc/ti-tsc2046.c b/drivers/iio/adc/ti-tsc2046.c index eb219ff3d610..2b87f39f377a 100644 --- a/drivers/iio/adc/ti-tsc2046.c +++ b/drivers/iio/adc/ti-tsc2046.c @@ -679,6 +679,12 @@ static int tsc2046_adc_setup_spi_msg(struct tsc2046_adc_priv *priv) for (ch_idx = 0; ch_idx < priv->dcfg->num_channels; ch_idx++) size += tsc2046_adc_group_set_layout(priv, ch_idx, ch_idx); + if (size > PAGE_SIZE) { + dev_err(&priv->spi->dev, + "Calculated scan buffer is too big. Try to reduce spi-max-frequency, settling-time-us or oversampling-ratio\n"); + return -ENOSPC; + } + priv->tx = devm_kzalloc(&priv->spi->dev, size, GFP_KERNEL); if (!priv->tx) return -ENOMEM;