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authorMark Brown <broonie@linaro.org>2013-11-24 14:02:48 +0000
committerMark Brown <broonie@linaro.org>2013-11-24 14:02:48 +0000
commit3981560c2a8acae1a66cbf319f8ca1c92dde8f4d (patch)
treec05e2a5474c02813cc420cc2873a54109b3885e8 /drivers/regulator/gpio-regulator.c
parent7e9e801f746cfc66c0666e6cffa7479eebeab171 (diff)
parent251b9c21d26ca9d210e7673f0819ee1f6c19402a (diff)
Merge remote-tracking branch 'regulator/fix/gpio' into regulator-linus
Diffstat (limited to 'drivers/regulator/gpio-regulator.c')
-rw-r--r--drivers/regulator/gpio-regulator.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/regulator/gpio-regulator.c b/drivers/regulator/gpio-regulator.c
index 04406a918c0..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;