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-rw-r--r--kernel/module.c20
1 files changed, 5 insertions, 15 deletions
diff --git a/kernel/module.c b/kernel/module.c
index ddfe45ac2fd1..4fafd58038a0 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -64,26 +64,17 @@ static DEFINE_SPINLOCK(modlist_lock);
static DEFINE_MUTEX(module_mutex);
static LIST_HEAD(modules);
-static DEFINE_MUTEX(notify_mutex);
-static struct notifier_block * module_notify_list;
+static BLOCKING_NOTIFIER_HEAD(module_notify_list);
int register_module_notifier(struct notifier_block * nb)
{
- int err;
- mutex_lock(&notify_mutex);
- err = notifier_chain_register(&module_notify_list, nb);
- mutex_unlock(&notify_mutex);
- return err;
+ return blocking_notifier_chain_register(&module_notify_list, nb);
}
EXPORT_SYMBOL(register_module_notifier);
int unregister_module_notifier(struct notifier_block * nb)
{
- int err;
- mutex_lock(&notify_mutex);
- err = notifier_chain_unregister(&module_notify_list, nb);
- mutex_unlock(&notify_mutex);
- return err;
+ return blocking_notifier_chain_unregister(&module_notify_list, nb);
}
EXPORT_SYMBOL(unregister_module_notifier);
@@ -1816,9 +1807,8 @@ sys_init_module(void __user *umod,
/* Drop lock so they can recurse */
mutex_unlock(&module_mutex);
- mutex_lock(&notify_mutex);
- notifier_call_chain(&module_notify_list, MODULE_STATE_COMING, mod);
- mutex_unlock(&notify_mutex);
+ blocking_notifier_call_chain(&module_notify_list,
+ MODULE_STATE_COMING, mod);
/* Start the module */
if (mod->init != NULL)