braille_console: only register notifiers when the braille console is used

Only register the braille driver VT and keyboard notifiers when the
braille console is used.  Avoids eating insert or backspace keys.

Addresses http://bugzilla.kernel.org/show_bug.cgi?id=11242

Signed-off-by: Pascal Terjan <pterjan@mandriva.com>
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Pascal Terjan 2008-10-02 14:50:13 -07:00 committed by Linus Torvalds
parent 16dbc6c961
commit c0c9209ddd

View file

@ -376,6 +376,8 @@ int braille_register_console(struct console *console, int index,
console->flags |= CON_ENABLED;
console->index = index;
braille_co = console;
register_keyboard_notifier(&keyboard_notifier_block);
register_vt_notifier(&vt_notifier_block);
return 0;
}
@ -383,15 +385,8 @@ int braille_unregister_console(struct console *console)
{
if (braille_co != console)
return -EINVAL;
unregister_keyboard_notifier(&keyboard_notifier_block);
unregister_vt_notifier(&vt_notifier_block);
braille_co = NULL;
return 0;
}
static int __init braille_init(void)
{
register_keyboard_notifier(&keyboard_notifier_block);
register_vt_notifier(&vt_notifier_block);
return 0;
}
console_initcall(braille_init);