From: Mark Brown Date: Fri, 7 Aug 2015 12:00:35 +0000 (+0100) Subject: regulator: core: Drop regulator_list_mutex when we're done with it on remove X-Git-Tag: next-20150824~49^2~3^4~3 X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=7cd71c3ba166913a0afb8ac0d6bd5d2730fea6df;p=uclinux-h8%2Flinux.git regulator: core: Drop regulator_list_mutex when we're done with it on remove When removing a regulator we hold regulator_list_mutex in order to ensure the regualtor doesn't become removed again. However we only need to protect the list until we remove the regulator from the list so move the unlock earlier to reduce the locked region. Signed-off-by: Mark Brown --- diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 68b616580533..62e4f3bd5783 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -3827,11 +3827,11 @@ void regulator_unregister(struct regulator_dev *rdev) WARN_ON(rdev->open_count); unset_regulator_supplies(rdev); list_del(&rdev->list); + mutex_unlock(®ulator_list_mutex); kfree(rdev->constraints); regulator_ena_gpio_free(rdev); of_node_put(rdev->dev.of_node); device_unregister(&rdev->dev); - mutex_unlock(®ulator_list_mutex); } EXPORT_SYMBOL_GPL(regulator_unregister);