diff options
Diffstat (limited to 'kernel/module.c')
| -rw-r--r-- | kernel/module.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/kernel/module.c b/kernel/module.c index 77764f2..de6312d 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -39,6 +39,7 @@ #include <linux/device.h> #include <linux/string.h> #include <linux/sched.h> +#include <linux/mutex.h> #include <asm/uaccess.h> #include <asm/semaphore.h> #include <asm/cacheflush.h> @@ -63,15 +64,15 @@ static DEFINE_SPINLOCK(modlist_lock); static DECLARE_MUTEX(module_mutex); static LIST_HEAD(modules); -static DECLARE_MUTEX(notify_mutex); +static DEFINE_MUTEX(notify_mutex); static struct notifier_block * module_notify_list; int register_module_notifier(struct notifier_block * nb) { int err; - down(¬ify_mutex); + mutex_lock(¬ify_mutex); err = notifier_chain_register(&module_notify_list, nb); - up(¬ify_mutex); + mutex_unlock(¬ify_mutex); return err; } EXPORT_SYMBOL(register_module_notifier); @@ -79,9 +80,9 @@ EXPORT_SYMBOL(register_module_notifier); int unregister_module_notifier(struct notifier_block * nb) { int err; - down(¬ify_mutex); + mutex_lock(¬ify_mutex); err = notifier_chain_unregister(&module_notify_list, nb); - up(¬ify_mutex); + mutex_unlock(¬ify_mutex); return err; } EXPORT_SYMBOL(unregister_module_notifier); @@ -1989,9 +1990,9 @@ sys_init_module(void __user *umod, /* Drop lock so they can recurse */ up(&module_mutex); - down(¬ify_mutex); + mutex_lock(¬ify_mutex); notifier_call_chain(&module_notify_list, MODULE_STATE_COMING, mod); - up(¬ify_mutex); + mutex_unlock(¬ify_mutex); /* Start the module */ if (mod->init != NULL) |