The caller expect us to return zero if the ID doesn't match. Negative
error codes are treated as success.
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
diff --git a/drivers/iio/light/tsl4531.c b/drivers/iio/light/tsl4531.c
index 2697918..730fd2b 100644
--- a/drivers/iio/light/tsl4531.c
+++ b/drivers/iio/light/tsl4531.c
@@ -151,7 +151,7 @@ static int tsl4531_check_id(struct i2c_client *client)
{
int ret = i2c_smbus_read_byte_data(client, TSL4531_ID);
if (ret < 0)
- return ret;
+ return 0;
switch (ret >> TSL4531_ID_SHIFT) {
case TSL45311_ID:
--
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