---

yaml
---
r: 165382
b: refs/heads/master
c: 9ed2099
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 6bf87d17c9f5b855e9dde7b3d6f726385b966814
+refs/heads/master: 9ed2099edca26d07947beb42c12bd1d6669e82bc

trunk/drivers/regulator/core.c

@@ -872,6 +872,7 @@ static int set_consumer_device_supply(struct regulator_dev *rdev,
 	const char *supply)
 {
 	struct regulator_map *node;
+	int has_dev;
 
 	if (consumer_dev && consumer_dev_name)
 		return -EINVAL;
@@ -882,6 +883,11 @@ static int set_consumer_device_supply(struct regulator_dev *rdev,
 	if (supply == NULL)
 		return -EINVAL;
 
+	if (consumer_dev_name != NULL)
+		has_dev = 1;
+	else
+		has_dev = 0;
+
 	list_for_each_entry(node, &regulator_map_list, list) {
 		if (consumer_dev_name != node->dev_name)
 			continue;
@@ -896,17 +902,19 @@ static int set_consumer_device_supply(struct regulator_dev *rdev,
 		return -EBUSY;
 	}
 
-	node = kmalloc(sizeof(struct regulator_map), GFP_KERNEL);
+	node = kzalloc(sizeof(struct regulator_map), GFP_KERNEL);
 	if (node == NULL)
 		return -ENOMEM;
 
 	node->regulator = rdev;
-	node->dev_name = kstrdup(consumer_dev_name, GFP_KERNEL);
 	node->supply = supply;
 
-	if (node->dev_name == NULL) {
-		kfree(node);
-		return -ENOMEM;
+	if (has_dev) {
+		node->dev_name = kstrdup(consumer_dev_name, GFP_KERNEL);
+		if (node->dev_name == NULL) {
+			kfree(node);
+			return -ENOMEM;
+		}
 	}
 
 	list_add(&node->list, &regulator_map_list);