[PATCH] ASoC: rt5663: Fix error handling of device_property_read_u32_array

[Aditya Pakki]

In rt5663_parse_dp, the function device_property_read_u32_array() can
return an error. This fix adds a check to the latter as well as to the
callsite of rt5663_parse_dp in rt5663_i2c_probe.

Signed-off-by: Aditya Pakki <pakki...@umn.edu>
---
 sound/soc/codecs/rt5663.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/sound/soc/codecs/rt5663.c b/sound/soc/codecs/rt5663.c
index da6647015708..2678842d8cd4 100644
--- a/sound/soc/codecs/rt5663.c
+++ b/sound/soc/codecs/rt5663.c
@@ -3480,7 +3480,7 @@ static int rt5663_parse_dp(struct rt5663_priv *rt5663, 
struct device *dev)
                table_size = sizeof(struct impedance_mapping_table) *
                        rt5663->pdata.impedance_sensing_num;
                rt5663->imp_table = devm_kzalloc(dev, table_size, GFP_KERNEL);
-               device_property_read_u32_array(dev,
+               return device_property_read_u32_array(dev,
                        "realtek,impedance_sensing_table",
                        (u32 *)rt5663->imp_table, table_size);
        }
@@ -3507,8 +3507,11 @@ static int rt5663_i2c_probe(struct i2c_client *i2c,
 
        if (pdata)
                rt5663->pdata = *pdata;
-       else
-               rt5663_parse_dp(rt5663, &i2c->dev);
+       else {
+               ret = rt5663_parse_dp(rt5663, &i2c->dev);
+               if (ret)
+                       return ret;
+       }
 
        for (i = 0; i < ARRAY_SIZE(rt5663->supplies); i++)
                rt5663->supplies[i].supply = rt5663_supply_names[i];
-- 
2.17.1