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Staging: Android: logger: module_exit implementation

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This patch creates the module_exit for the android logger
so that it can be loaded and unloaded as a module.

The android logger is already declared as a tristate in the
Kconfig but the module_exit function was missing.

device_initcall works also with modprobe since include/linux/init.h:

 #define module_init(x)  __initcall(x);
 ...
 #define __initcall(fn) device_initcall(fn)

Tested against f4a75d2eb7 Linux 3.7-rc6

Signed-off-by: Luca Clementi <luca.clementi@gmail.com>
Cc: Brian Swetland <swetland@google.com>
Cc: Robert Love <rlove@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Luca Clementi 2012-11-21 19:43:17 -08:00 committed by Greg Kroah-Hartman
parent fe5388c34c
commit a3b41b7a31
1 changed files with 21 additions and 0 deletions
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21
drivers/staging/android/logger.c
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@ -676,4 +676,25 @@ static int __init logger_init(void)
out:
return ret;
}
static void __exit logger_exit(void)
{
struct logger_log *current_log, *next_log;
list_for_each_entry_safe(current_log, next_log, &log_list, logs) {
/* we have to delete all the entry inside log_list */
misc_deregister(&current_log->misc);
vfree(current_log->buffer);
kfree(current_log->misc.name);
list_del(&current_log->logs);
kfree(current_log);
}
}
device_initcall(logger_init);
module_exit(logger_exit);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Robert Love, <rlove@google.com>");
MODULE_DESCRIPTION("Android Logger");