[PATCH] In function rt274_i2c_probe(), if the regmap_read fails. The variable "val" could leave uninitialized but used in if statement.

[Yizhuo]

Signed-off-by: Yizhuo <yzhai...@ucr.edu>
---
 sound/soc/codecs/rt274.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/sound/soc/codecs/rt274.c b/sound/soc/codecs/rt274.c
index 8f92e5c4dd9d..940658cac063 100644
--- a/sound/soc/codecs/rt274.c
+++ b/sound/soc/codecs/rt274.c
@@ -1113,7 +1113,7 @@ static int rt274_i2c_probe(struct i2c_client *i2c,
        struct rt274_priv *rt274;
 
        int ret;
-       unsigned int val;
+       unsigned int val = ~0;
 
        rt274 = devm_kzalloc(&i2c->dev, sizeof(*rt274),
                                GFP_KERNEL);
@@ -1128,9 +1128,9 @@ static int rt274_i2c_probe(struct i2c_client *i2c,
                return ret;
        }
 
-       regmap_read(rt274->regmap,
+       ret = regmap_read(rt274->regmap,
                RT274_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID), &val);
-       if (val != RT274_VENDOR_ID) {
+       if (ret || val != RT274_VENDOR_ID) {
                dev_err(&i2c->dev,
                        "Device with ID register %#x is not rt274\n", val);
                return -ENODEV;
-- 
2.17.1