From: Peter Oberparleiter <[EMAIL PROTECTED]>
Provide module unload callback. Required by the gcov profiling
infrastructure to keep track of profiling data structures.
Signed-off-by: Peter Oberparleiter <[EMAIL PROTECTED]>
---
kernel/module.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)
Index: linux-2.6.25/kernel/module.c
===================================================================
--- linux-2.6.25.orig/kernel/module.c
+++ linux-2.6.25/kernel/module.c
@@ -737,12 +737,13 @@ sys_delete_module(const char __user *nam
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);
@@ -2185,6 +2186,8 @@ 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);
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