iio: temperature: mlx90635: Fix ERR_PTR dereference in mlx90635_probe()

When devm_regmap_init_i2c() fails, regmap_ee could be error pointer,
instead of checking for IS_ERR(regmap_ee), regmap is checked which looks
like a copy paste error.

Fixes: a1d1ba5 ("iio: temperature: mlx90635 MLX90635 IR Temperature sensor")
Reviewed-by: Crt Mori<cmo@melexis.com>
Signed-off-by: Harshit Mogalapalli <harshit.m.mogalapalli@oracle.com>
Link: https://lore.kernel.org/r/20240513203427.3208696-1-harshit.m.mogalapalli@oracle.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Author: harshimogalapalli

drivers/iio/temperature/mlx90635.c

@@ -947,9 +947,9 @@ static int mlx90635_probe(struct i2c_client *client)
 				     "failed to allocate regmap\n");
 
 	regmap_ee = devm_regmap_init_i2c(client, &mlx90635_regmap_ee);
-	if (IS_ERR(regmap))
-		return dev_err_probe(&client->dev, PTR_ERR(regmap),
-				     "failed to allocate regmap\n");
+	if (IS_ERR(regmap_ee))
+		return dev_err_probe(&client->dev, PTR_ERR(regmap_ee),
+				     "failed to allocate EEPROM regmap\n");
 
 	mlx90635 = iio_priv(indio_dev);
 	i2c_set_clientdata(client, indio_dev);