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authorJames Morris <james.l.morris@oracle.com>2014-01-06 22:23:01 +1100
committerJames Morris <james.l.morris@oracle.com>2014-01-06 22:23:01 +1100
commit38fd2c202a3d82bc12430bce5789fa2c2a406f71 (patch)
treea73513dbb015155f5236b391709b9083916b3136 /drivers/regulator/gpio-regulator.c
parentdcf4e392867bf98d50ad108ed7c2bfb941e8c33d (diff)
parentd6e0a2dd12f4067a5bcefb8bbd8ddbeff800afbc (diff)
Merge to v3.13-rc7 for prerequisite changes in the Xen code for TPM
Diffstat (limited to 'drivers/regulator/gpio-regulator.c')
-rw-r--r--drivers/regulator/gpio-regulator.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/regulator/gpio-regulator.c b/drivers/regulator/gpio-regulator.c
index 98a98ffa7fe..234960dc960 100644
--- a/drivers/regulator/gpio-regulator.c
+++ b/drivers/regulator/gpio-regulator.c
@@ -139,6 +139,7 @@ of_get_gpio_regulator_config(struct device *dev, struct device_node *np)
struct property *prop;
const char *regtype;
int proplen, gpio, i;
+ int ret;
config = devm_kzalloc(dev,
sizeof(struct gpio_regulator_config),
@@ -202,7 +203,11 @@ of_get_gpio_regulator_config(struct device *dev, struct device_node *np)
}
config->nr_states = i;
- of_property_read_string(np, "regulator-type", &regtype);
+ ret = of_property_read_string(np, "regulator-type", &regtype);
+ if (ret < 0) {
+ dev_err(dev, "Missing 'regulator-type' property\n");
+ return ERR_PTR(-EINVAL);
+ }
if (!strncmp("voltage", regtype, 7))
config->type = REGULATOR_VOLTAGE;
@@ -283,7 +288,6 @@ static int gpio_regulator_probe(struct platform_device *pdev)
dev_err(&pdev->dev, "No regulator type set\n");
ret = -EINVAL;
goto err_memgpio;
- break;
}
drvdata->nr_gpios = config->nr_gpios;