From: Kaixu Xia <kaixu...@tencent.com>
The unsigned variable reg is assigned a return value from the call
to i2c_smbus_read_byte_data(), which may return negative error code.
Fixes coccicheck warning:
./drivers/hwmon/amc6821.c:215:6-9: WARNING: Unsigned expression compared with
zero: reg > 0
./drivers/hwmon/amc6821.c:228:6-9: WARNING: Unsigned expression compared with
zero: reg > 0
Reported-by: Tosk Robot <tencent_os_ro...@tencent.com>
Signed-off-by: Kaixu Xia <kaixu...@tencent.com>
---
drivers/hwmon/amc6821.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/hwmon/amc6821.c b/drivers/hwmon/amc6821.c
index 6b1ce2242c61..ce7c9f412538 100644
--- a/drivers/hwmon/amc6821.c
+++ b/drivers/hwmon/amc6821.c
@@ -166,7 +166,7 @@ static struct amc6821_data *amc6821_update_device(struct
device *dev)
struct amc6821_data *data = dev_get_drvdata(dev);
struct i2c_client *client = data->client;
int timeout = HZ;
- u8 reg;
+ s8 reg;
int i;
mutex_lock(&data->update_lock);
--
2.20.0
