Do not kfree after cdev_del, which already does kfree for us.

diff --git a/hellochar.c b/hellochar.c
index c2eecef..9d4e40a 100644 (file)
--- a/hellochar.c
+++ b/hellochar.c
@@ -65,7 +65,6 @@ out:
 static void __exit ch_exit(void)
 {
        cdev_del(dev);
-       kfree(dev);
        unregister_chrdev_region(devnum, 256);
 }