diff --git a/drivers/hwmon/mr75203.c b/drivers/hwmon/mr75203.c
index 26278b0f17a98..8b72e8fe34c1b 100644
--- a/drivers/hwmon/mr75203.c
+++ b/drivers/hwmon/mr75203.c
@@ -584,7 +584,12 @@ static int mr75203_probe(struct platform_device *pdev)
 		ret = device_property_read_u8_array(dev, "intel,vm-map",
 						    pvt->vm_idx, vm_num);
 		if (ret) {
-			num = 0;
+			/*
+			 * Incase intel,vm-map property is not defined, we
+			 * assume incremental channel numbers.
+			 */
+			for (i = 0; i < vm_num; i++)
+				pvt->vm_idx[i] = i;
 		} else {
 			for (i = 0; i < vm_num; i++)
 				if (pvt->vm_idx[i] >= vm_num ||
@@ -594,13 +599,6 @@ static int mr75203_probe(struct platform_device *pdev)
 				}
 		}
 
-		/*
-		 * Incase intel,vm-map property is not defined, we assume
-		 * incremental channel numbers.
-		 */
-		for (i = num; i < vm_num; i++)
-			pvt->vm_idx[i] = i;
-
 		in_config = devm_kcalloc(dev, num + 1,
 					 sizeof(*in_config), GFP_KERNEL);
 		if (!in_config)