ASoC: tas2781: Add null check for calibration data

For avoid null pointer problem if no calibration data exist.

Fixes: 55137f5a68b5e ("ASoC: tas2781: Put three different calibrated data solution into the same data structure")

Signed-off-by: Baojun Xu <baojun.xu@ti.com>
Link: https://patch.msgid.link/20260319090747.2090-1-baojun.xu@ti.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/codecs/tas2781-fmwlib.c b/sound/soc/codecs/tas2781-fmwlib.c
index 5798d51..a1d86bd 100644 (file)
--- a/sound/soc/codecs/tas2781-fmwlib.c
+++ b/sound/soc/codecs/tas2781-fmwlib.c
@@ -2550,6 +2550,9 @@ static void tasdev_load_calibrated_data(struct tasdevice_priv *priv, int i)
        int k = i * (cali_data->cali_dat_sz_per_dev + 1);
        int rc;
 
+       if (!data || !cali_data->total_sz)
+               return;
+
        if (data[k] != i) {
                dev_err(priv->dev, "%s: no cal-data for dev %d from usr-spc\n",
                        __func__, i);