From: Peter Oberparleiter Date: Mon, 21 Apr 2008 12:34:31 +0000 (+0200) Subject: module: add MODULE_STATE_GOING notifier call X-Git-Tag: v2.6.26-rc1~23^2 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=df4b565e1fbc777bb6e274378a41fa8ff7485680;p=linux-2.6 module: add MODULE_STATE_GOING notifier call Provide module unload callback. Required by the gcov profiling infrastructure to keep track of profiling data structures. Signed-off-by: Peter Oberparleiter Signed-off-by: Rusty Russell --- diff --git a/kernel/module.c b/kernel/module.c index d2d093e741..8674a390a2 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -745,12 +745,13 @@ sys_delete_module(const char __user *name_user, unsigned int flags) if (!forced && module_refcount(mod) != 0) wait_for_zero_refcount(mod); + mutex_unlock(&module_mutex); /* Final destruction now noone is using it. */ - if (mod->exit != NULL) { - mutex_unlock(&module_mutex); + if (mod->exit != NULL) mod->exit(); - mutex_lock(&module_mutex); - } + blocking_notifier_call_chain(&module_notify_list, + MODULE_STATE_GOING, mod); + mutex_lock(&module_mutex); /* Store the name of the last unloaded module for diagnostic purposes */ strlcpy(last_unloaded_module, mod->name, sizeof(last_unloaded_module)); free_module(mod); @@ -2191,6 +2192,8 @@ sys_init_module(void __user *umod, mod->state = MODULE_STATE_GOING; synchronize_sched(); module_put(mod); + blocking_notifier_call_chain(&module_notify_list, + MODULE_STATE_GOING, mod); mutex_lock(&module_mutex); free_module(mod); mutex_unlock(&module_mutex);