ENGR00276865 hwmon: mma8451: Change warning to error

Change the string tranform warning to error.

Signed-off-by: Luwei Zhou <b45643@freescale.com>

1 files changed, 10 insertions, 4 deletions

diff --git a/drivers/hwmon/mxc_mma8451.c b/drivers/hwmon/mxc_mma8451.c
index 6a5722e5fda9..ddac67dd41a4 100644
--- a/drivers/hwmon/mxc_mma8451.c
+++ b/drivers/hwmon/mxc_mma8451.c
@@ -274,8 +274,11 @@ static ssize_t mma8451_enable_store(struct device *dev,
         u8 val = 0;
 
         ret = strict_strtoul(buf, 10, &enable);
-        if (ret)
-                dev_warn(dev, "Warning when tranfser string\n");
+        if (ret) {
+                dev_err(dev, "string transform error\n");
+                return ret;
+        }
+
         mutex_lock(&mma8451_lock);
         client = mma8451_i2c_client;
         enable = (enable > 0) ? 1 : 0;
@@ -317,8 +320,11 @@ static ssize_t mma8451_position_store(struct device *dev,
         unsigned long  position;
         int ret;
         ret = strict_strtoul(buf, 10, &position);
-        if (ret)
-                dev_warn(dev, "Warning when tranfser string\n");
+        if (ret) {
+                dev_err(dev, "string transform error\n");
+                return ret;
+        }
+
         mutex_lock(&mma8451_lock);
         mma_status.position = (int)position;
         mutex_unlock(&mma8451_lock);