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Subject[PATCH] Staging: Android: logger: module_exit implementation
Date
Created the module_exit for the android logger so that
it can be loaded and unloaded as a module. Fixed
module_init and some other minor issues.

Signed-off-by: Luca Clementi <luca.clementi@gmail.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Brian Swetland <swetland@google.com>
---
drivers/staging/android/logger.c | 30 +++++++++++++++++++++++++++++-
1 file changed, 29 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/android/logger.c b/drivers/staging/android/logger.c
index 1d5ed47..050be01 100644
--- a/drivers/staging/android/logger.c
+++ b/drivers/staging/android/logger.c
@@ -676,4 +676,32 @@ static int __init logger_init(void)
out:
return ret;
}
-device_initcall(logger_init);
+
+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 */
+ ret = misc_deregister(&current_log->misc);
+ if (unlikely(ret)) {
+ pr_err("failed to deregister misc device for log '%s'!\n",
+ current_log->misc.name);
+ }
+ pr_info("removed loggger '%s'\n", current_log->misc.name);
+ vfree(current_log->buffer);
+ kfree(current_log->misc.name);
+ kfree(current_log);
+ }
+
+ return;
+}
+
+
+module_init(logger_init);
+module_exit(logger_exit);
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Brian Swetland, <swetland@google.com>");
+MODULE_DESCRIPTION("Android Logger");
+
+
--
1.7.9.5


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