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authorMark Brown <broonie@kernel.org>2015-01-16 12:05:35 +0000
committerMark Brown <broonie@kernel.org>2015-01-16 12:05:35 +0000
commitd56133793a79153b7d8144d09ddeec17554ce190 (patch)
tree9feb4d113b825a98ea02860519a445af197b9550 /drivers/regulator
parenteaa27f34e91a14cdceed26ed6c6793ec1d186115 (diff)
parent83b0302d347a49f951e904184afe57ac3723476e (diff)
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Merge remote-tracking branch 'regulator/fix/core' into regulator-linus
Diffstat (limited to 'drivers/regulator')
-rw-r--r--drivers/regulator/core.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index e225711bb8bc..9c48fb32f660 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -1488,7 +1488,7 @@ struct regulator *regulator_get_optional(struct device *dev, const char *id)
}
EXPORT_SYMBOL_GPL(regulator_get_optional);
-/* Locks held by regulator_put() */
+/* regulator_list_mutex lock held by regulator_put() */
static void _regulator_put(struct regulator *regulator)
{
struct regulator_dev *rdev;
@@ -1503,12 +1503,14 @@ static void _regulator_put(struct regulator *regulator)
/* remove any sysfs entries */
if (regulator->dev)
sysfs_remove_link(&rdev->dev.kobj, regulator->supply_name);
+ mutex_lock(&rdev->mutex);
kfree(regulator->supply_name);
list_del(&regulator->list);
kfree(regulator);
rdev->open_count--;
rdev->exclusive = 0;
+ mutex_unlock(&rdev->mutex);
module_put(rdev->owner);
}