[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: Milton Miller <miltonm@bga.com>
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/drivers/char/hvc_console.c b/drivers/char/hvc_console.c
index e7362c195b117194c0251d4eac05a893e200821f..0f9d356d3bd9c4b3841253eb18fc63909b20246b 100644 (file)
--- a/drivers/char/hvc_console.c
+++ b/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);