diff options
| author | Marc Dietrich <marvin24@gmx.de> | 2013-04-29 23:14:51 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-05-14 07:07:50 -0400 |
| commit | 111c158787b2a2036c444f735370cb6aef823f78 (patch) | |
| tree | 6e89f5909fc68d47350298f7b1a924d6a2eb9cdd | |
| parent | 99758dec9507fa1c5723c926626499e895679c40 (diff) | |
staging: nvec: implement unregistering of notifiers
This implements the unregistering of notifiers so kernel modules
can be unloaded.
Signed-off-by: Marc Dietrich <marvin24@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/staging/nvec/nvec.c | 14 | ||||
| -rw-r--r-- | drivers/staging/nvec/nvec.h | 5 |
2 files changed, 16 insertions, 3 deletions
diff --git a/drivers/staging/nvec/nvec.c b/drivers/staging/nvec/nvec.c index 954c9921d5b9..51a123e2b066 100644 --- a/drivers/staging/nvec/nvec.c +++ b/drivers/staging/nvec/nvec.c @@ -124,6 +124,20 @@ int nvec_register_notifier(struct nvec_chip *nvec, struct notifier_block *nb, EXPORT_SYMBOL_GPL(nvec_register_notifier); /** + * nvec_unregister_notifier - Unregister a notifier with nvec + * @nvec: A &struct nvec_chip + * @nb: The notifier block to unregister + * + * Unregisters a notifier with @nvec. The notifier will be removed from the + * atomic notifier chain. + */ +int nvec_unregister_notifier(struct nvec_chip *nvec, struct notifier_block *nb) +{ + return atomic_notifier_chain_unregister(&nvec->notifier_list, nb); +} +EXPORT_SYMBOL_GPL(nvec_unregister_notifier); + +/** * nvec_status_notifier - The final notifier * * Prints a message about control events not handled in the notifier diff --git a/drivers/staging/nvec/nvec.h b/drivers/staging/nvec/nvec.h index b7a14bc0ab91..2b1316d87470 100644 --- a/drivers/staging/nvec/nvec.h +++ b/drivers/staging/nvec/nvec.h @@ -197,9 +197,8 @@ extern int nvec_register_notifier(struct nvec_chip *nvec, struct notifier_block *nb, unsigned int events); -extern int nvec_unregister_notifier(struct device *dev, - struct notifier_block *nb, - unsigned int events); +extern int nvec_unregister_notifier(struct nvec_chip *dev, + struct notifier_block *nb); extern void nvec_msg_free(struct nvec_chip *nvec, struct nvec_msg *msg); |