From: Baojun Xu <baojun.xu@ti.com>
To: <broonie@kernel.org>
Cc: <tiwai@suse.de>, <andriy.shevchenko@linux.intel.com>,
<13916275206@139.com>, <alsa-devel@alsa-project.org>,
<shenghao-ding@ti.com>, <baojun.xu@ti.com>,
<linux-sound@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<webmaster@raspii.tech>
Subject: [PATCH v1] ASoC: tas2781: Add null check for calibration data
Date: Thu, 19 Mar 2026 17:07:47 +0800 [thread overview]
Message-ID: <20260319090747.2090-1-baojun.xu@ti.com> (raw)
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>
---
sound/soc/codecs/tas2781-fmwlib.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/sound/soc/codecs/tas2781-fmwlib.c b/sound/soc/codecs/tas2781-fmwlib.c
index 5798d518d94c..a1d86bd309f4 100644
--- 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);
--
2.25.1
next reply other threads:[~2026-03-19 9:08 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-19 9:07 Baojun Xu [this message]
2026-03-19 12:53 ` Mark Brown
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