[PATCH] hvc_console: Unregister the console in the exit routine.

Be thorough in our exit routine, since it says it is there to be so.
Unregistering without registering is safe (checked in 2.6.10).
Signed-off-by: NMilton Miller <miltonm@bga.com>
Signed-off-by: NAnton Blanchard <anton@samba.org>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>

drivers/char/hvc_console.c

@@ -846,8 +846,9 @@ int __init hvc_init(void)
 }
 module_init(hvc_init);
 
-/* This isn't particularily necessary due to this being a console driver but it
- * is nice to be thorough */
+/* This isn't particularily necessary due to this being a console driver
+ * but it is nice to be thorough.
+ */
 static void __exit hvc_exit(void)
 {
 	kthread_stop(hvc_task);
@@ -856,5 +857,6 @@ static void __exit hvc_exit(void)
 	tty_unregister_driver(hvc_driver);
 	/* return tty_struct instances allocated in hvc_init(). */
 	put_tty_driver(hvc_driver);
+	unregister_console(&hvc_con_driver);
 }
 module_exit(hvc_exit);