From: Marc Dietrich Date: Mon, 29 Apr 2013 21:14:51 +0000 (+0200) Subject: staging: nvec: implement unregistering of notifiers X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=111c158787b2a2036c444f735370cb6aef823f78;p=linux-beck.git staging: nvec: implement unregistering of notifiers This implements the unregistering of notifiers so kernel modules can be unloaded. Signed-off-by: Marc Dietrich Signed-off-by: Greg Kroah-Hartman --- 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 @@ -123,6 +123,20 @@ 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 * 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);