This implements the unregistering of notifiers so kernel modules
can be unloaded.
Signed-off-by: Marc Dietrich <marvin24@xxxxxx>
---
drivers/staging/nvec/nvec.c | 14 ++++++++++++++
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 979fe40..af66099 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 b7a14bc..2b1316d 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);
--
1.7.9.5
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