Delete timer in exit.

diff --git a/hellochar.c b/hellochar.c
index 938b32f..b5cae85 100644 (file)
--- a/hellochar.c
+++ b/hellochar.c
@@ -100,6 +100,7 @@ reg_out:
 
 static void __exit ch_exit(void)
 {
+       del_timer_sync(&hello_timer);
        cdev_del(dev);
        unregister_chrdev_region(devnum, 256);
 }