diff options
| -rw-r--r-- | drivers/base/devres.c | 11 | ||||
| -rw-r--r-- | include/linux/device/devres.h | 2 |
2 files changed, 13 insertions, 0 deletions
diff --git a/drivers/base/devres.c b/drivers/base/devres.c index d8a733ea5e1a..7c20517a52c2 100644 --- a/drivers/base/devres.c +++ b/drivers/base/devres.c @@ -759,6 +759,17 @@ int __devm_add_action(struct device *dev, void (*action)(void *), void *data, co } EXPORT_SYMBOL_GPL(__devm_add_action); +bool devm_is_action_added(struct device *dev, void (*action)(void *), void *data) +{ + struct action_devres devres = { + .data = data, + .action = action, + }; + + return devres_find(dev, devm_action_release, devm_action_match, &devres); +} +EXPORT_SYMBOL_GPL(devm_is_action_added); + /** * devm_remove_action_nowarn() - removes previously added custom action * @dev: Device that owns the action diff --git a/include/linux/device/devres.h b/include/linux/device/devres.h index 9cd1787ef28e..ae696d10faff 100644 --- a/include/linux/device/devres.h +++ b/include/linux/device/devres.h @@ -165,4 +165,6 @@ static inline int __devm_add_action_or_reset(struct device *dev, void (*action)( #define devm_add_action_or_reset(dev, action, data) \ __devm_add_action_or_reset(dev, action, data, #action) +bool devm_is_action_added(struct device *dev, void (*action)(void *), void *data); + #endif /* _DEVICE_DEVRES_H_ */ |