Whilst reading cirrus,buttons-ohms the error from
device_property_read_u32_array is not checked, whilst there is a
preceding device_property_count_u32 which is checked the property read
can still fail. Add the missing check.
Suggested-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
Signed-off-by: Charles Keepax <ckeepax@xxxxxxxxxxxxxxxxxxxxx>
---
sound/soc/codecs/cs42l43-jack.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/sound/soc/codecs/cs42l43-jack.c b/sound/soc/codecs/cs42l43-jack.c
index d0569577a8699..147c7017fd8b6 100644
--- a/sound/soc/codecs/cs42l43-jack.c
+++ b/sound/soc/codecs/cs42l43-jack.c
@@ -106,8 +106,13 @@ int cs42l43_set_jack(struct snd_soc_component *component,
goto error;
}
- device_property_read_u32_array(cs42l43->dev, "cirrus,buttons-ohms",
- priv->buttons, ret);
+ ret = device_property_read_u32_array(cs42l43->dev, "cirrus,buttons-ohms",
+ priv->buttons, ret);
+ if (ret < 0) {
+ dev_err(priv->dev, "Property cirrus,button-ohms malformed: %d\n",
+ ret);
+ goto error;
+ }
} else {
priv->buttons[0] = 70;
priv->buttons[1] = 185;
--
2.30.2
