[PATCH 10/16] ASoC: tas2781: check negative indexes

[Gergo Koteles]

Negative indexes are not valid here.

Signed-off-by: Gergo Koteles <soyer@xxxxxx>
---
 sound/soc/codecs/tas2781-fmwlib.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/sound/soc/codecs/tas2781-fmwlib.c b/sound/soc/codecs/tas2781-fmwlib.c
index 20dc2df034e9..aa5f56f9ad33 100644
--- a/sound/soc/codecs/tas2781-fmwlib.c
+++ b/sound/soc/codecs/tas2781-fmwlib.c
@@ -2198,21 +2198,21 @@ int tasdevice_select_tuningprm_cfg(void *context, int prm_no,
 		goto out;
 	}
 
-	if (cfg_no >= tas_fmw->nr_configurations) {
+	if (cfg_no < 0 || cfg_no >= tas_fmw->nr_configurations) {
 		dev_err(tas_priv->dev,
 			"%s: cfg(%d) is not in range of conf %u\n",
 			__func__, cfg_no, tas_fmw->nr_configurations);
 		goto out;
 	}
 
-	if (prm_no >= tas_fmw->nr_programs) {
+	if (prm_no < 0 || prm_no >= tas_fmw->nr_programs) {
 		dev_err(tas_priv->dev,
 			"%s: prm(%d) is not in range of Programs %u\n",
 			__func__, prm_no, tas_fmw->nr_programs);
 		goto out;
 	}
 
-	if (rca_conf_no >= rca->ncfgs || rca_conf_no < 0 ||
+	if (rca_conf_no < 0 || rca_conf_no >= rca->ncfgs ||
 		!cfg_info) {
 		dev_err(tas_priv->dev,
 			"conf_no:%d should be in range from 0 to %u\n",
@@ -2304,7 +2304,7 @@ int tasdevice_prmg_load(void *context, int prm_no)
 		goto out;
 	}
 
-	if (prm_no >= tas_fmw->nr_programs) {
+	if (prm_no < 0 || prm_no >= tas_fmw->nr_programs) {
 		dev_err(tas_priv->dev,
 			"%s: prm(%d) is not in range of Programs %u\n",
 			__func__, prm_no, tas_fmw->nr_programs);
@@ -2349,7 +2349,7 @@ int tasdevice_prmg_calibdata_load(void *context, int prm_no)
 		goto out;
 	}
 
-	if (prm_no >= tas_fmw->nr_programs) {
+	if (prm_no < 0 || prm_no >= tas_fmw->nr_programs) {
 		dev_err(tas_priv->dev,
 			"%s: prm(%d) is not in range of Programs %u\n",
 			__func__, prm_no, tas_fmw->nr_programs);
-- 
2.43.0