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-rw-r--r--net/switchdev/switchdev.c30
1 files changed, 6 insertions, 24 deletions
diff --git a/net/switchdev/switchdev.c b/net/switchdev/switchdev.c
index 8d40a7d31c99..25dc67ef9d37 100644
--- a/net/switchdev/switchdev.c
+++ b/net/switchdev/switchdev.c
@@ -571,24 +571,17 @@ int switchdev_port_obj_dump(struct net_device *dev, struct switchdev_obj *obj,
}
EXPORT_SYMBOL_GPL(switchdev_port_obj_dump);
-static RAW_NOTIFIER_HEAD(switchdev_notif_chain);
+static ATOMIC_NOTIFIER_HEAD(switchdev_notif_chain);
/**
* register_switchdev_notifier - Register notifier
* @nb: notifier_block
*
- * Register switch device notifier. This should be used by code
- * which needs to monitor events happening in particular device.
- * Return values are same as for atomic_notifier_chain_register().
+ * Register switch device notifier.
*/
int register_switchdev_notifier(struct notifier_block *nb)
{
- int err;
-
- rtnl_lock();
- err = raw_notifier_chain_register(&switchdev_notif_chain, nb);
- rtnl_unlock();
- return err;
+ return atomic_notifier_chain_register(&switchdev_notif_chain, nb);
}
EXPORT_SYMBOL_GPL(register_switchdev_notifier);
@@ -597,16 +590,10 @@ EXPORT_SYMBOL_GPL(register_switchdev_notifier);
* @nb: notifier_block
*
* Unregister switch device notifier.
- * Return values are same as for atomic_notifier_chain_unregister().
*/
int unregister_switchdev_notifier(struct notifier_block *nb)
{
- int err;
-
- rtnl_lock();
- err = raw_notifier_chain_unregister(&switchdev_notif_chain, nb);
- rtnl_unlock();
- return err;
+ return atomic_notifier_chain_unregister(&switchdev_notif_chain, nb);
}
EXPORT_SYMBOL_GPL(unregister_switchdev_notifier);
@@ -616,18 +603,13 @@ EXPORT_SYMBOL_GPL(unregister_switchdev_notifier);
* @dev: port device
* @info: notifier information data
*
- * Call all network notifier blocks. This should be called by driver
- * when it needs to propagate hardware event.
- * Return values are same as for atomic_notifier_call_chain().
- * rtnl_lock must be held.
+ * Call all network notifier blocks.
*/
int call_switchdev_notifiers(unsigned long val, struct net_device *dev,
struct switchdev_notifier_info *info)
{
- ASSERT_RTNL();
-
info->dev = dev;
- return raw_notifier_call_chain(&switchdev_notif_chain, val, info);
+ return atomic_notifier_call_chain(&switchdev_notif_chain, val, info);
}
EXPORT_SYMBOL_GPL(call_switchdev_notifiers);